Vivo Phone With 5G Support, 55W Fast Charging Support Surfaces on China’s 3C Database

Vivo appears to have a new 5G phone in the pipeline with that would support 55W fast charging technology. A listing on the China Compulsory Certificate (CCC aka 3C) database has suggested the existence of the new Vivo phone. It emerges days after a Vivo smartphone carrying model number V1950A surfaced on China’s Telecommunication Equipment Certification Center (TENAA). That was believed to debut as the Vivo Nex 3 5G along with Qualcomm Snapdragon 865 SoC. The smartphone was found to have a 64-megapixel primary rear camera sensor and a 16-megapixel selfie camera sensor.

As per the listing on the 3C database, the unannounced Vivo phone carries model number V1955A. The listing mentions that the phone comes bundled with a 55W charger with model number V5550L0A0-CN. This suggests 55W fast charging support on the unannounced Vivo phone.

If we look at Vivo’s existing portfolio, the company may unveil the new model under its iQoo sub brand that already has the Vivo iQoo Neo 855 with 33W fast charging support. The handset would offer some new gaming experiences — given gamers as the target audience for the iQoo.

The 3C listing of the unannounced Vivo phone doesn’t reveal any of its key specifications. Also, the launch details of the offering are yet to surface.

Vivo received the latest certification from the authority on January 15, as mentioned on the listing. This suggests that the new phone may arrive sometime in the coming future. It is likely to get official around the debut of the Vivo Nex 3 5G that was purportedly spotted on TENAA with model number V1950A just last week.

However, Vivo didn’t respond to a query asking for the development of the new phone at the time of filing this story.


5G iPad Pro May Launch Later This Year, Report Claims

Cupertino-based tech giant Apple is reportedly planning to launch its first-ever 5G iPad this year, apart from the rumoured 5G-capable iPhone 12 in September. For this, a Taiwanese component company Advanced Semiconductor Engineering (ASE) has reportedly broken into the supply chain for Apple’s mmWave 5G iPhones and 5G iPads with its substrate-based FC-AiP (flip chip antenna-in-package) technology.

Apple Insider reported the news, citing Taiwanese publication Digitimes that usually covers supply chain developments. Apple is expected to update the iPad Pro in early 2020, but a 5G model could debut later in the year.

Apple-watching analyst Ming-Chi Kuo recently revealed that the iPhone maker is expected to release new iPad Pro models with rear 3D sensing in the first half of 2020.

Kuo in a research note with TF International Securities said the iPad Pro models will gain 3D sensing through the rear-facing camera system.

As per the report, Apple is expected to use a time-of-flight system, which measures the time that it takes for light to bounce off of objects in a room to generate a 3D map.

Additionally, Kuo also reiterated that Apple plans to release its low-cost iPhone SE 2 in the first half of 2020 too.

The iPhone SE 2 will use a 10-layer Substrate-like PCB (SLP) for its motherboard, the same technology used by the iPhone 11 version.

Kuo expects the device to look similar to the iPhone 8 and believes it will be a popular upgrade option for existing iPhone 6 and iPhone 6s owners.

>>>>>>>>>>>>>>>>>>>Battery for Apple iPad


OnePlus Foldable Phone Isn’t Coming Anytime Soon, Because Its CEO Doesn’t Believe the Tech Is Ready Yet

OnePlus had its special event on the sidelines of CES 2020, where it unveiled the Concept One smartphone, with the vanishing cameras. The Verge managed to sit down OnePlus CEO, Pete Lau for its podcast, where he was asked his thoughts on the recent trend of foldable phones. However, Lau’s opinion was that the company had looked into it but found that the cons far outweighed the pros, which is why it hasn’t pursued it. The interview was transcribed by Lau’s interpreter Eric Gass.

Going by some of the excerpts from the interview with the Verge, one of the reason Lau and his team haven’t pursed this category of smartphones, is because of the way the current display fold, which don’t leave a very “clean or crisp” fold. He states that this also leads to screen creasing and issues and is not something he’d want on a phone bearing the OnePlus brand name. This sentiment also hints at the fact that we probably won’t be seeing a foldable phone from the company anytime soon, probably not even a concept.

When asked about Motorola’s implementing of the Razr, where the display actually moves a bit when folded to avoid a crease, Lau still didn’t seem impressed with that. He mentions that since the display is still plastic, it won’t have the scratch resistant or durable properties of actual glass.

If you think about it, it kind of makes sense why a company such as OnePlus would not focus on such technology, simply because it’s not mature enough and it probably doesn’t want to dedicate a good chunk of its R&D resources to a niche segment right now. There’s no doubt that foldable displays will get better and the costs of making them will come down eventually, but right now, it’s mostly experimental tech. Giants like Motorola, Samsung and Huawei probably have the budgets to devote time and resources into experimenting with new concepts, but that doesn’t mean everyone can.


The Best Wireless Earbuds

As phones all start ditching the headphone port you may be facing the pressure to go wireless, there are heaps of options, and the most expensive is not always the best.

Here are truly wireless earbuds that balance performance and price making them our most popular earbuds of the year.

What are truly wireless earbuds?
Truly wireless earbuds do not have any wires at all, both left and right channels are separately powered devices. This means you can use one both or even share one with another person.

These style earbuds come with a storage box that also charges them when they are not being used.

Top Truly wireless earbuds
Blitzwolf FYE8
Piano black dual-driver earbuds are big on battery and performance. These offer our best wireless audio quality.

Blitzwolf FYE5
These cool blue earbuds have a unique ring led style and are IPX6 waterproof, so you can keep listening in the rain or in the shower.

BlitzWolf FYE7
This dual-driver beauty separates low/mid and bass to generate a smooth frequency response that regular headphones could never replicate. 

Xiaomi Air 2
The minimalist Xiaomi earbuds are our most expensive but offer great style and sophistication.

>>>>>>>>>>>>>>>>>>Headphones Battery


How do Battery Chargers Work?

A good battery charger provides the base for batteries that are durable and perform well. In a price-sensitive market, chargers often receive low priority and get the “after-thought” status. Battery and charger must go together like a horse and carriage. Prudent planning gives the power source top priority by placing it at the beginning of the project rather than after the hardware is completed, as is a common practice. Engineers are often unaware of the complexity involving the power source, especially when charging under adverse conditions.

Chargers are commonly identified by their charging speed. Consumer products come with a low-cost personal charger that performs well when used as directed. The industrial charger is often made by a third party and includes special features, such as charging at adverse temperatures. Although batteries operate below freezing, not all chemistries can be charged when cold and most Li-ions fall into this category. Lead- and nickel-based batteries accept charge when cold but at a lower rate.

Some Li-ion chargers (Cadex) include a wake-up feature, or “boost,” to allow recharging if a Li-ion battery has fallen asleep due to over-discharge. A sleep condition can occur when storing the battery in a discharged state in which self-discharge brings the voltage to the cut-off point. A regular charger treats such a battery as unserviceable and the pack is often discarded. Boost applies a small charge current to raise the voltage to between 2.2V/cell and 2.9V/cell to activate the protection circuit, at which point a normal charge commences. Caution is required if a Li-ion has dwelled below 1.5V/cell for a week or longer. Dendrites may have developed that could compromise safety.

Lead- and lithium-based chargers operate on constant current constant voltage (CCCV). The charge current is constant and the voltage is capped when it reaches a set limit. Reaching the voltage limit, the battery saturates; the current drops until the battery can no longer accept further charge and the fast charge terminates. Each battery has its own low-current threshold.

Nickel-based batteries charge with constant current and the voltage is allowed to rise freely. This can be compared to lifting a weight with a rubber band where the hand advances higher than the load. Full charge detection occurs when observing a slight voltage drop after a steady rise. To safeguard against anomalies, such as shorted or mismatched cells, the charger should include a plateau timer to assure a safe charge termination if no voltage delta is detected. Temperature sensing should also be added that measures temperature rise over time. Such a method is known as delta temperature over delta time, or dT/dt, and works well with rapid and fast charge.

A temperature rise is normal with nickel-based batteries, especially when reaching the 70 percent charge level. A decrease in charge efficiency causes this, and the charge current should be lowered to limit stress. When “ready,” the charger switches to trickle charge and the battery must cool down. If the temperature stays above ambient, then the charger is not performing correctly and the battery should be removed because the trickle charge could be too high.

NiCd and NiMH should not be left in the charger unattended for weeks and months. Until required, store the batteries in a cool place and apply a charge before use.

Lithium-based batteries should always stay cool on charge. Discontinue the use of a battery or charger if the temperature rises more than 10ºC (18ºF) above ambient under a normal charge. Li ion cannot absorb over-charge and does not receive trickle charge when full. It is not necessary to remove Li-ion from the charger; however, if not used for a week or more, it is best to place the pack in a cool place and recharge before use.

Types of Chargers
The most basic charger was the overnight charger, also known as a slow charger. This goes back to the old nickel-cadmium days where a simple charger applied a fixed charge of about 0.1C (one-tenth of the rated capacity) as long as the battery was connected. Slow chargers have no full-charge detection; the charge stays engaged and a full charge of an empty battery takes 14–16 hours. When fully charged, the slow charger keeps NiCd lukewarm to the touch. Because of its reduced ability to absorb over-charge, NiMH should not be charged on a slow charger. Low-cost consumer chargers charging AAA, AA and C cells often deploy this charge method, so do some children’s toys. Remove the batteries when warm.

The rapid charger falls between the slow and fast charger and is used in consumer products. The charge time of an empty pack is 3–6 hours. When full, the charger switches to “ready.” Most rapid chargers include temperature sensing to safely charge a faulty battery.

The fast charger offers several advantages and the obvious one is shorter charge times. This demands tighter communication between the charger and battery. At a charge rate of 1C, (see BU-402:What is C-rate?) which a fast charger typically uses, an empty NiCd and NiMH charges in a little more than an hour. As the battery approaches full charge, some nickel-based chargers reduce the current to adjust to the lower charge acceptance. The fully charged battery switches the charger to trickle charge, also known as maintenance charge. Most of today’s nickel-based chargers have a reduced trickle charge to also accommodate NiMH.

Li-ion has minimal losses during charge and the coulombic efficiency is better than 99 percent. At 1C, the battery charges to 70 percent state-of-charge (SoC) in less than an hour; the extra time is devoted to the saturation charge. Li-ion does not require the saturation charge as lead acid does; in fact it is better not to fully charge Li-ion — the batteries will last longer but the runtime will be a little less. Of all chargers, Li-ion is the simplest. No trickery applies that promises to improve battery performance as is often claimed by makers of chargers for lead- and nickel-based batteries. Only the rudimentary CCCV method works.

Lead acid cannot be fast charged and the term “fast-charge” is a misnomer. Most lead acid chargers charge the battery in 14–16 hours; anything slower is a compromise. Lead acid can be charged to 70 percent in about 8 hours; the all-important saturation charge takes up the remaining time. A partial charge is fine provided the lead acid occasionally receives a fully saturated charge to prevent sulfation.

The standby current on a charger should be low to save energy. Energy Star assigns five stars to mobile phone chargers and other small chargers drawing 30mW or less on standby. Four stars go to chargers with 30–150mW, three stars to 150–250mW and two stars to 250–350mW. The average consumption is 300mW and these units get one star. Energy Star aims to reduce current consumption of personal chargers that are mostly left plugged in when not in use. There are over one billion such chargers connected to the gird globally at any given time.

Simple Guidelines when Buying a Charger
·Charging a battery is most effective when its state-of-charge (SoC) is low. Charge acceptance decreases when the battery reaches a SoC of 70% and higher. A fully charged battery can no longer convert electric energy into chemical energy and charge must be lowered to trickle or terminated.
·Filling a battery beyond full state-of-charge turns excess energy into heat and gas. With Li-ion, this can result in a deposit of unwanted materials. Prolonged over-charge causes permanent damage.
·Use the correct charger for the intended battery chemistry. Most chargers serve one chemistry only. Make sure that the battery voltage agrees with the charger. Do not charge if different.
·The Ah rating of a battery can be marginally different than specified. Charging a larger battery will take a bit longer than a smaller pack and vice versa. Do not charge if the Ah rating deviates too much (more than 25 percent).
·A high-wattage charger shortens the charge time but there are limitations as to how fast a battery can be charged. Ultra-fast charging causes stress.
·A lead acid charger should switch to float charge when fully saturated; a nickel-based charger must switch to trickle charge when full. Li-ion cannot absorb overcharge and receives no trickle charge.  Trickle charge and float charges compensate for the losses incurred by self-discharge. 
·Chargers should have a temperature override to end charge on a faulty battery.
·Observe charge temperature. Lead acid batteries should stay lukewarm to the touch; nickel-based batteries will get warm towards the end of charge but must cool down on “ready.” Li-ion should not rise more than 10ºC (18ºF) above ambient when reaching full charge.
·Check battery temperature when using a low-cost charger. Remove battery when warm.
·Charge at room temperature. Charge acceptance drops when cold. Li-ion cannot be charged below freezing.


How to Verify Sufficient Battery Capacity

A battery performs well when new but the capacity soon begins to fade with use and time. To assure reliable service during the life span of the battery, design engineers oversize the pack to include some spare capacity. This is similar to carrying extra fuel in an airplane to enable a waiting pattern or attempt a second landing approach when so required.

New batteries operate (should operate) at a capacity of 100 percent; replacement occurs when the packs fade to about 80 percent. All batteries must include a secure level of spare capacity to cover worst-case scenarios.

In addition to normal capacity fade, cold temperature lowers the capacity, especially Li-ion. The capacity loss of a Li-ion Energy Cell is about 17 percent at 0°C (32°F), 34 percent at –10°C (14°F) and 47 percent at –20°C (–4°F). Power Cells perform better at cold temperature with lower cold-related capacity losses than Energy Cells.

Lack of spare capacity is a common cause of system failures. This commonly happens during heavier than normal traffic or in an emergency. During routine operations, marginal batteries can hide comfortably among their peers, but they will fail when put to the test. A battery maintenance program as part of quality control assures that all batteries in the fleet are within the required performance range.

Adding 20 percent for fade and 20 percent for spare as a safety net leaves only 60 percent for the actual capacity. Such a generous allowance may not be practical in all cases.

Spare capacity should be calculated for a worst-case scenario. The allowable capacity range is 80-100%; a spare capacity of 20 percent is recommended for critical use. Allow more capacity reserve when operating at cold temperature.
To verify sufficient spare capacity in a battery fleet, identify batteries that are close to retirement and spot-check their capacities after a busy day with a battery analyzer. The Cadex analyzer provides this function on the “Prime” program in that it applies a discharge before charge. The first reading on the display reflects the spare capacity and the second represents the full capacity after a charge.

If packs with fringe capacity levels come back from a full-day shift with less than 10 percent of spare capacity, raise the pass/fail target capacity from 80 to 85 percent to gain five extra points. If, on the other hand, these old-timers come back with 30 percent before charging, keep them longer by lowering the target capacity to, say, 70 percent. Knowing the energy needs for each application during a typical shift increases battery transparency. This improves reliability and creates a sweet spot between risk management and economics.

While most batteries are replaced when the capacity fades to 80 percent, scanners in some warehouses can be kept longer because they may not require all available capacity during an 8-hour shift. If this is the case, the target capacity can safely be set to 70 percent while maintaining ample spare capacity. A starter battery in a vehicle still cranks the motor with a capacity of 40 percent. The discharge is short and the battery recharges right away. Allowing the capacity to drop much further might prevent the battery from turning the engine on a cold morning, stranding the driver.


10 Tablets with the Longest Battery Life

Whether you’re taking your tablet with you on the train to stave off boredom on a commute or are reading an eBook while propped up with it in bed, there’s nothing worse than having to stop what you’re doing to charge it. It’s no fun to play Threes or watch Netflix while connected to the wall. In our testing, we’ve determined which tablets last longest on a charge. The Laptop Mag Battery Test continuously browses the web over Wi-Fi to see just how long you can use a tablet before you have to find the charging cable. Here are the tablets with the most endurance:

iPad Pro 10.5-inch (13:55)
Apple’s latest tablet, the 10.5-inch iPad Pro, is the longest lasting tablet we’ve tested recently. 13 hours and 55 minutes is a lot of endurance for a device that has amazingly fast performance thanks to its A10X Fusion CPU (even rivaling some laptops). That’s all in a body just 0.2 inches thin.

iPad 9.7-inch (12:59)
Apple’s 9.7-inch laptop lasts just under 13 hours on a charge. We also love the 9.7-inch iPad for its affordable $329 price, bright display and great speakers. It doesn’t support the Apple Pencil or Smart Keyboard, but it’s a wonderful media consumption device.

>>>>>>>>>>>>>>Battery for Apple iPad Pro 9.7

Amazon Fire HD 8 (11:19)
You’ll get over 11 hours of battery life on the Amazon Fire HD 8, but we hope you like Amazon’s app store. You can even get Google Play on Fire HD 8.Not to mention thatit’s $80 and Prime members get access to a ton of books, movies and television shows.

Lenovo Yoga Book (9:31)
The Lenovo Yoga Book, which runs for nine and a half hours on a charge, is among the most innovative products we’ve ever seen. It unfolds to reveal a laptop that has a touch surface with zero-travel, touch sensitive keys that doubles as a Wacom tablet. Lenovo’s Android customizations are helpful, but use in laptop mode is a pain. I hope you like taking notes.

>>>>>>>>>>>>>>Battery for Lenovo Yoga Book YB1-X91F YB1-X91L YB1-X91X YB1-X90F

Samsung Galaxy Tab S3 (8:45)
If you’re the type that like a keyboard with their tablet, you’ll value the Galaxy Tab S3’s 8 hours and 45 minutes of battery life. It comes with an S Pen for drawing and a sleek premium design. The 9.7-inch screen supports HDR, so you’ll see really vibrant colors.

Huawei MediaPad M3 (8:42)
The Huawei MediaPad M3, which lasts 8:40 on a charge, is a bit pricey for an Android tablet at $299. What you get for that price is refined design with a bright display and great audio quality, and solid performance as well as Huawei’s EMUI screen for Android 6.0.

Asus ZenPad 8 (8:22)
Not only does the Asus ZenPad 8 last 8 hours and 22 minutes, but it has a bright and accurate display, great sound and a lightweight design that makes you forget you’re carrying it. Unfortunately, it has a tendency to pause when you’re switching between apps.

>>>>>>>>>>>>>>Battery for Asus ZenPad 8.0 Power Case CB81 Z380 
>>>>>>>>>>>>>>Battery for Asus ZenPad 8.0 Z380KL

Asus ZenPad 3S 10 (8:09)
While many Windows tablets and 2-in-1s sacrifice endurance for power, the iPad Pro offers a better balance of battery life and speed. This 12.9-inch slate lasted for more than 10 hours on the Laptop Mag Battery Test. The iPad Pro isn’t cheap, and it won’t replace your laptop, like a Surface can. But the iPad Pro’s A9X processor; crisp, 5-million-pixel display; and optional Apple Pencil and Smart Keyboard make it a versatile device that can go the distance.


Best 15-inch Laptops

When 17-inch laptops are too big and 13- and 14-inch systems are too small, 15-inch laptops are there to fill that midsize hole in your life. Whether you’re looking for a college laptop, a budget Windows machine, a Chromebook, a premium stunner, a business notebook, a gaming beast or a jack-of-all-trades 2-in-1, there’s a 15-inch laptop with your name on it.

We thoroughly review dozens of laptops using benchmarks and hands-on testing and comparisons to determine which ones are worthy of your money. Here are our top picks for 15-inch laptops. But in case you need something a little bigger or smaller, check out our best laptops or best 2-in-1 laptops page.

Here’s the best 15-inch laptops you can buy now

Dell XPS 15
CPU: 2.4-GHz Intel Core i9-9980HKCPU | GPU: Nvidia GeForce GTX 1650 GPU with 4 GB of VRAM/Intel UHD Graphics 630 GPU | RAM/Storage: 32GB/1TB M.2 PCIe SSD | Display Size/Resolution: 15.6/3840×2160

Striking 4K OLED display
Great overall and graphics performance
Webcam in the right place
Slim, attractive design
Below-average battery life

Productivity, multimedia and even a bit of gaming — the Dell XPS 15 can do it all — and do it well. Starting at $1,099, the XPS 15 offers an attractive, slim design that’s bursting with power, including an Intel Core i9 processor and an Nvidia GeForce GTX 1650 GPU. The keyboard is surprisingly comfortable, and the Infinity Edge display is simply lovely. Oh, and did we mention the speedy M.2 PCIe SSD and gorgeous OLED display? In short, you’ve got a certified beast on your hands.

>>>>>>>>>>>>>>Battery for Dell XPS 15 9530
>>>>>>>>>>>>>>Battery for Dell XPS 15 9575
>>>>>>>>>>>>>>Battery for Dell XPS 15 9550

Acer Aspire 5 (Core i3, 2019)
CPU: 2.1-GHz Intel Core i3-8145U CPU | GPU: Intel UHD Graphics 620 | RAM/Storage: 4GB/128GB SDD | Display Size/Resolution: 15.6/1920 x 1080

Strong performanceLong battery life
Bright, 1080p display
Middling graphics
Questionable graphics

Strong performance and long battery life, the Acer Aspire 5 has a lot to offer at a seriously affordable price. Powered by an Intel Core i3 processor and integrated graphics, the Aspire 5 is a great choice for light productivity, checking your social media pages or watching a video or two. Speaking of which, the notebook has a bright 15.6-inch display with decent sound. And with close to 9 hours of battery life, the Aspire 5 will have plenty of juice in the tank to get through a workday.

>>>>>>>>>>>>>>Battery for Acer Aspire 5951 8951G 5943G 8951G 3830T 5830T
>>>>>>>>>>>>>>Battery for Acer Aspire 5 A515-51
>>>>>>>>>>>>>>Battery for Acer Aspire 5551

HP Chromebook 15
CPU: 2.2-GHz Intel Core i3-8130U CPU | GPU: Intel UHD 620 GPU | RAM/Storage: 4GB/128GB eMMC storage | Display Size/Resolution: 15.6/1920 x 1080

Refreshing design
Good battery life
Strong overall performance
Comfortable keyboard
Warm screen
Tiny audio

Need an affordable Chromebook with good performance? Look no further than the HP Chromebook 15 (de0517wm). For under $500, you get strong Core i3 performance, a comfortable keyboard and long battery life, all packed into a good-looking chassis. But overall, the HP Chromebook 15 is a great value and one of the best Chromebooks you can buy if you prefer a bigger screen.

Alienware m15
CPU: 2.2-GHz Intel Core i7-8750H CPU | GPU: Nvidia GeForce RTX 2070 Max-Q GPU with 8 GB of VRAM/Intel HD Graphics 630 GPU | RAM/Storage: 16GB/512 GB PCIe m.2 SSD | Display Size/Resolution: 15.6/3840 x2160

Beautiful OLED display
Good overall and gaming performance
Comfortable keyboard
Sleek, lightweight design
OLED severely impacts battery life
Bottom runs hot

Light shows, awesome graphics performance and long battery life. The Alienware 15 is a gaming, virtual reality and multitasking machine, thanks to its 8th Gen Intel Core i7 processor and Nvidia GeForce RTX 2070 Max-Q GPU. If that wasn’t enough, the notebook is outfitted with a customizable backlit keyboard and a luminous, -colorful display with a stunning OLED display. The Alienware 15 also has an integrated eye tracker and Alienware’s revamped Control Center.

>>>>>>>>>>>>>>Battery for Dell Alienware M15

Lenovo ThinkPad X1 Extreme
CPU: 2.2-GHz Intel Core i7-8750H CPU | GPU: Nvidia GeForce GTX 1050 Ti Max-Q GPU | RAM/Storage: 32GB/1TB SSD | Display Size/Resolution: 15.6/3840 x 2160

Phenomenal 4K HDR display
Blazing-fast performance
Luxurious design
Thin and lightweight
Comfortable keyboard
Below-average battery life
Runs warm

With its speedy Core i7 processor and gorgeous 4K HDR display packed into a luxurious design, the Lenovo ThinkPad X1 Extreme is in fact one of the most extreme business laptops we’ve seen. It’s also armed with GTX 1050 Ti Max-Q GPU that’ll easily handle productivity apps that typically tax your graphics card. On top of that you get Lenovo’s world-class keyboard and a military-durable chassis that passed 12 MIL-STD-810G standards.

>>>>>>>>>>>>>>Battery for Lenovo ThinkPad X1 45N1099 45N1098 2ICP5/67/90 X1
>>>>>>>>>>>>>>Battery for Lenovo ThinkPad X1 Carbon
>>>>>>>>>>>>>>Battery for Lenovo ThinkPad X1 Tablet GEN 3

Dell G3 15
CPU: 2.4-GHz Intel Core i5-9300H CPU | GPU: Nvidia GeForce GTX 1650 GPU with 4GB of VRAM | RAM/Storage: 8GB/128GB SSD with 1TB 5,400-rpm HDD | Display Size/Resolution: 15.6/1920 x 1080

Strong overall and gaming performance
Striking design
Good battery life
Dim display
Shallow keyboard

Just call it a gaming laptop of a different color. Dell’s new G-series laptops are an evolutionary step forward, replacing the company’s entry-level Inspiron series with something more interesting and powerful. Regarding the G7 15, you get a 15-inch laptop with solid gaming and overall performance, thanks to the discrete Nvidia graphics. This Dell also delivers good sound in an eye-catching Alpine White chassis. The system’s a great choice for gamers who don’t want to pay an arm and a leg to play their favorite titles.

>>>>>>>>>>>>>>Battery for Dell G3 15 3590 Ins 15PR-1545W 1548BR 1645W 1648BR 1742BR 1742W 1748BR

Apple MacBook Pro 15
CPU: 2.9-GHz Intel Core i9-8950HK CPU | GPU: AMD Radeon Pro 560X GPU with 4GB of VRAM | RAM/Storage: 32GB/2TB PCIe SSD | Display Size/Resolution: 15.6/2880 x 1800

Insanely speedy general performance
Fastest SSD we’ve tested
Comparatively thin and light design
Vivid, sharp displayImproved keyboard
Strong soundLong battery life
Exorbitant priceWarm underside
No USB Type-A ports

The new 15-inch MacBook Pro is definitely the best yet, with some of the fastest speeds we’ve ever seen, a better screen and a better keyboard — provided you have deep enough pockets. Available with an Intel Core i9-8950HK CPU, 32GB of RAM and an AMD Radeon Pro 560X GPU with 4GB of memory, the MacBook Pro 15 is an undeniable powerhouse. And whether you’re editing photos or watching movies, you’ll enjoy the Retina display with Apple’s TrueTone technology, which delivers rich, mesmerizing colors and sharp detail.

>>>>>>>>>>>>>>Battery for Apple MacBook Pro 15″ A1398 Retina 2015 Year
>>>>>>>>>>>>>>Battery for Apple Macbook Pro 15″ A1398 Retina Late 2013 & Mid 2014
>>>>>>>>>>>>>>Battery for Apple MacBook Pro 15″ Aluminum Unibody Series(2008 Version)

HP Spectre x360 15-inch
CPU: 1.8-GHz Intel Core i7-8565U CPU | GPU: Nvidia GeForce MX150 GPU | RAM/Storage: 16GB/1TB SSD | Display Size/Resolution: 15.6/3840 x 2160

Sexy designSolid performance and graphics
Vivid 4K OLED display
comfortable keyboard
Battery life could be better
Bezels a bit thick

What do you get when you combine luxurious design with serious power? If you’re talking about laptops, then you’re probably referring to the HP Spectre x360. In addition to a gloriously vivid touch display, you get an Intel Core i7 CPU, an Nvidia GeForce Mx150 GPU, 16GB of RAM and a 1TB SSD, all in a sleek, foldable aluminum chassis. But the piece de resistance is the 4K OLED panel that is stunningly beautiful. And while it has discrete graphics, the x360 targets creative professionals, allowing consumers to transform from a traditional laptop to a tablet to a tent mode with ease. However, with only 7 hours and46 minutes of battery life, you’ll want to keep the power cord handy.

>>>>>>>>>>>>>>Battery for HP Spectre X360 13-AC033DX

Razer Blade 15 OLED
CPU: 2.6-GHz Intel Core i7-9750H CPU | GPU: Nvidia GeForce RTX 2080 Max-Q GPU/Intel UHD 630 Graphics GPU | RAM/Storage: 16GB/512GB NVMe SSD | Display Size/Resolution: 15.6/3840 x 2160

Sleek, gorgeousdesign
4K OLED display is extremely bright and vivid
Great overall and gaming performance
Good battery life
Expensive, Runs hot while gaming

Leave it to Razer to make an already beautiful laptop that much more of an opulent spectacle. The latest iteration of the Razer Blade 15 Advanced adds a mesmerizing 4K OLED to the mix. In addition to all that eye candy, you get a powerful Intel Core i7 processor, an Nvidia RTX 2080 Max-Q GPU and a swift SSD. And despite that beautiful yet power-sapping display, it managed to last more than 4 hours on our battery test. If you’re looking for a thin-and-light gaming laptop that serves up power, speed and endurance with a beautiful 4K OLED display, the Razer Blade 15 is a cut above the rest.

Asus ZenBook Pro Duo
CPU: 2.4-GHz Intel Core i9-9980HK CPU | GPU: Nvidia GeForce RTX 2060 GPU | RAM/Storage: 32GB/1TB PCIe SSD | Display Size/Resolution: 15.6/3840 x 2160

Two beautiful 4K touch displays
Great overall and gaming performance
Dual-screen functionality easy to use
Speedy SSD
Stays cool when gaming
Chunky and heavy
Short battery life
Weak Audio

Two is better than one. This is especially true of the Asus ZenBook Pro Duo which employs a pair of 4K displays into a single laptop with the goal of increasing your productivity. Did we mention the main display is an OLED panel? So not only do you get crisp detail — you also get mind-blowing color. But the ZenBook Pro Duo is more than just stunning touch displays with an overclockable Core i9 processor, 32GB of RAM, a seriously fast 1TB SSD and a powerful Nvidia GeForce RTX 2060 GPU with 6GB of RAM. That means there’s not much this laptop can’t do.

Gigabyte Aero 15 OLED
CPU: 2.6-GHz Intel Core i7-9750H CPU | GPU: Nvidia GeForce RTX 2070 Max-Q GPU/Intel UHD 630 Graphics GPU | RAM/Storage: 16GB/512GB NVMe SSD | Display Size/Resolution: 15.6/3840 x 2160

Sleek aluminum design
4K OLED display
Comfortable keyboard
Solid overall performance and graphics
Bottom-bezel webcam
Underwhelming AI (again)

The Gigabyte Aero 15 OLED is a solid performer with a gorgeous 4K OLED panel, it’s comfortable to type on and it’s all wrapped in a sleek, 0.8-inch package. In addition, you get a comfortable keyboard and great overall and graphics performance thanks to the system’s Intel Core i7 CPU and Nvidia RTX 2070 Max-Q GPU.

HP ZBook Studio x360 G5
CPU: 2.9-GHz Intel Xeon E-2186M CPU | GPU: Nvidia Quadro P1000 GPU | RAM/Storage: 32GB/1TB SSD | Display Size/Resolution: 15.6/3840 x 2160

Premium design
Gorgeous 4K display
Military-grade durability
Great keyboard and stylus
Excellent performance and graphics
Long battery lifeLid flexes
Lackluster webcam

Underneath its military-durable aluminum chassis, the HP ZBook Studio x360 G5 is armed with a beastly Intel Xeon processor and Nvidia Quadro graphics that’ll shred through the most rigorous of tasks. And despite all of its power, the Studio x360 is only 0.8 inches slim. The ZBook also features a vibrant 4K display, a punchy keyboard and a responsive stylus with customizable buttons. Not to mention that this baby gets a little over 9 hours of battery life.

CPU: Intel Core i7-9750H | GPU: Quadro RTX 5000 Max-Q GPU | RAM: 32GB | Storage: 512GB SSD | Display: 15.6-inch, 4K | Size: 14.1 x 9.8 x 0.7 inches | Weight: 4.3 pounds

Slim, lightweight design
Gorgeous 4K display
Strong performance and graphics
Military-durable and secure
Solid battery life

MSI is breaking back into the workstation game with a straight-up champion, the WS65 9TM. The laptop packs a powerful 9th-Gen Core i7 processor and Nvidia Quadro RTX 5000 Max-Q GPU into a super-slim, durable chassis. Top that off with solid battery life and a gorgeous 17.3-inch, 4K display and you’ve got one of the best workstations around.

HP Gaming Pavilion 15-dk0046nr
CPU: Intel Core i7-9750H | GPU: GeForce GTX 1650 GPU | RAM: 12GB | Storage: 256GB PCIe NVMe M.2 SSD | Display: 15.6-inch, 1080p | Size: 14.2 x 10.1 x 0.9 inches | Weight: 5 pounds

Solid gaming and overall performance
Runs cool while gaming
Great battery life
Dim, somewhat dull display

The HP Gaming Pavilion 15-dk0046nr is not to be slept upon simply because it’s a budget system. For the price, the laptop packs some powerful specs including an Intel Core i7 CPU and Nvidia GTX 1660 GPU which means the notebook can play games at good frame rates. And at nearly 6 hours of battery life, it’s got endurance to spare.

Asus ZenBook 15
CPU: Intel Core i7-10510U | GPU: GeForce GTX 1650 GPU | RAM: 16GB | Storage: 1TB PCIe NVMe SSD | Display: 15.6-inch, 1080p | Size: 13.9 x 8.7 x 0.7 inches | Weight: 3.7 pounds

Glamourous, durable design
Improved Screen
Pad functionality
Comfortable keyboard
Great audio
Mixed performance
Display could be brighter

Asus sure knows how to make a beautiful laptop. The company also knows how to turn gimmicks into bona fide features. Asus combines both talents on the ZenBook 15 (UX534F). The laptop bucks the silver/rose-gold trend and goes with a bewitching blue chassis that’s as durable as it is alluring. The company also brings back ScreenPad in a larger space, with even more functionality. Throw in an Intel Comet Lake processor, discrete graphics and longer battery life, and you’ve got a great laptop for mobile professionals.

How We Test Laptops
When we bring a laptop into our laboratory, our goal is to see how it would work if you brought it into your home or office. While we use a number of industry-standard benchmarks such as Geekbench and 3DMark, we focus heavily on real-world tests that we have developed in-house.

Specs: 1080p / Core i5 / 8GB Are Best Bets
You can spend a lot of time delving into specs, but here are the key components to think about. If you just want really good mainstream performance, go for a Core i5 CPU, 8GB of RAM, a 256GB SSD and a 1080p screen.
·Screen Resolution: Unfortunately, 66 percent of consumer laptops and 51 percent of business systems have low-res screens. If at all possible, get a display with a 1920 x 1080 (aka 1080p, or full HD) or higher resolution.
·CPU: An Intel Core i5 provides good mainstream performance. Some budget systems will come with Core i3, Celeron or Pentium CPUs, which are good for basic tasks, but not heavy multitasking. Get a Core i7 or a quad core processor (serial number ends in HQ or HK) for gaming or high-end productivity tasks such as video editing and 3D modeling.
·RAM: 8GB is ideal for most users. 4GB is acceptable for budget systems. Secondary laptops and Chromebooks may have less.
·Storage: Unless you’re a gamer or a power user, 256GB of internal storage is probably enough. If at all possible, get an SSD (solid-state drive) rather than a hard drive, because it’s going to make your computer a lot faster.
·Graphics Chip: Gamers and creative professionals need to do some research and figure out which discrete GPU is good enough to run their favorite software. Everyone else will be happy with the built-in Intel HD Graphics that come with the CPU.

The PC market, once left for dead, actually grew during 2019

After years of consistent declines, PC sales appear to have finally turned a corner. Market researchers Gartner and IDC reported today that PC sales grew during the fourth quarter of 2019, boosting the entire year into the black.

Gartner reported that PC sales grew 2.3 percent for the fourth quarter, to 70.6 million units, and 261 million units for the year. Rival analyst firm IDC largely agreed, estimating that PC unit sales grew 4.8 percent, to 7.18 million units. IDC said that worldwide PC sales grew 2.7 percent for 2019 as a whole, ending eight successive down years since the PC market grew 1.7 percent in 2011.

Gartner reported that two opposing factors affected PC sales: On one hand, the end of support for Windows 7 prompted businesses to invest in new hardware, giving new PC sales a shot in the arm. However, the ongoing Intel CPU shortage constrained sales, Gartner wrote, and actual sales could have been much higher. 

So the bass frequency is what you should pay attention
“This past year was a wild one in the PC world, which resulted in impressive market growth that ultimately ended seven consecutive years of market contraction,” Ryan Reith, program vice president with IDC’s Worldwide Mobile Device Trackers, said in a statement. “The market will still have its challenges ahead, but this year was a clear sign that PC demand is still there despite the continued insurgence of emerging form factors and the demand for mobile computing.”

IDC noted that the top three PC vendors—Lenovo, HP, and Dell—all seized the opportunity to consolidate their market share, commanding 65 percent of the PC market. Worldwide, IDC found that Lenovo is still the world’s top PC vendor, with 24.8 percent of the market, followed by HP (23.9 percent) and Dell (17.4 percent). All three showed excellent gains for the quarter, with Dell’s unit sales climbing by nearly 11 percent, according to IDC’s estimates. Gartner’s own figures were nearly identical.

Within the United States, HP topped fourth-quarter PC sales with 31.2 percent of the market, followed by Dell at 26.8 percent and Lenovo at 14.9 percent. While HP recorded a modest 4.4 percent bump in U.S PC sales for the fourth quarter, Dell and Lenovo saw bigger gains of 15.9 percent and 11.2 percent, respectively.

Gartner also published its own preliminary estimates for 2019 PC sales. In those estimates, Lenovo was also the top worldwide PC vendor for the year, with 24.1 percent market share. HP was second, with 22.2 percent, while Dell was third with 16.78 percent. 

>>>>>>>>>>>Laptop Battery
>>>>>>>>>>>Laptop Adapter

Samsung teams up with Microsoft to sell a weirdly practical phone that means business

While we’re all waiting for the Galaxy S20 to arrive in San Francisco on February 11, Samsung isn’t resting on its laurels. After announcing the budget-friendly Galaxy S10 and Note 10 Lite models ahead of its CES appearance last week, Samsung has turned its sights to a new kind of Galaxy phone, and it’s getting a little help from Microsoft.

The Galaxy XCover Pro is something of a return to the “Active” phones that Samsung made from the Galaxy S4 to the S8, but it’s more than just a rugged, IP68 water-resistant, MIL-STD 810G certified handset that doesn’t need a case. You’re also getting something that was long thought to be extinct. No, I’m not talking about a headphone jack (though it has one of those too). I’m talking about a removable battery.

It’s been many years since Samsung released a phone with a removable battery, but when you run out of juice in the XCover Pro’s 4,050mAh battery, you’ll be able to pop off the back cover and snap in a new one (which are obviously sold separately). It also features 15W fast charging, which can be done over USB-C or a pogo pin-compatible charger.

Since the Galaxy XCover Pro is a “field” device, you won’t find a glass back or an Infinity screen, and the bezels are quite large. However, there’s more than meets the eye. The 6.3-inch display has “an enhanced touchscreen able to work in any condition, including rain or snow,” as well as the ability to work even when the user is wearing gloves. The back of the phone features a grippable plastic cover, while the rest of the specs are fairly unremarkable:

Dimensions: 159.9 X 76.7 X 9.94mm
Display: 6.3-inch Full HD+
Processor: Exynos 9611
Storage: 64GB
Front camera: 13MP. f/2.0
Rear camera: 25MP, f/1.7 + 8MP, f/2.2
Battery: 4,040mAh

On the side of the phone you’ll find a power button with an embedded fingerprint sensor, as well as a pair of programmable keys that can boil tasks down to just a single click. But Samsung hopes one of them will be used as a walkie-talkie. Just like the canary-colored Motorola i530, you can use your XCover Pro as an old-fashioned walkie talkie thanks to integration with Microsoft Teams. As announced last week, Microsoft is building push-to-talk Walkie Talkie mode into its Teams software, letting you push a button to instantly contact a team member or a group.

Additionally, Samsung is building a point-of-sale system into the XCover Pro that lets customers make payments by tapping their contactless card, phone or watch to the phone. It’s unclear how seamless Samsung’s POS platform is, but it specifically spotlighted approval by Visa’s Tap to Phone pilot program.