Battery

Samsung on Tuesday announced that it had developed a way to improve Lithium-Ion batteries with its new material called graphene balls. The company says that batteries featuring the new material charge five times faster than conventional Lithium-ion accumulators and enable a considerably higher volumetric energy density. The new battery technology developed by Samsung SDI and its partners* uses the so-called graphene balls (a 3D structure synthesized from silicon dioxide, Si02) to cover a cathode and also as an anode material. Graphene balls on the cathode suppress damaging side reactions while also providing efficient conductive pathways. This enables faster charging (as graphene features 140 times faster electron mobility than silicon) and increases the number of cycles a cell can withstand. According to Samsung, a battery cell...

Panasonic Recalls 280,000 Tablet Battery Packs Due to Fire Hazard

Panasonic this week announced a voluntary recall of batteries due to fire and burn hazards. The battery packs being recalled were used in one of its rugged tablets. In...

30 by Anton Shilov on 5/20/2017

Meizu Unveils Super mCharge: Fast Charging At 55W

Meizu unveiled a new fast-charging technology—called Super mCharge—at MWC 2017 that’s capable of fully charging a 3000 mAh battery in just 20 minutes. Rapid charging has grown from novelty...

40 by Matt Humrick on 3/2/2017

HP Recalls Over 100,000 Laptop Batteries Due to Potential Fire and Burn Hazards

HP has expanded its voluntary recall of batteries due to fire and burn hazards. The batteries were used for various laptops sold under the HP and Compaq brands between...

19 by Anton Shilov on 1/26/2017

Samsung Reveals Root Cause of Galaxy Note7 Battery Fires

Samsung held a press conference today detailing the results of its investigation into the battery fires that plagued its Galaxy Note7. Reports of phones catching fire appeared soon after...

91 by Matt Humrick on 1/23/2017

The CUBOT H1 Smartphone Test: A Month with 3-4 Days of Battery per Charge

The last time I fully road tested a smartphone, I was moving from a rather decrepit Samsung Galaxy S2 to the 'glorious' 6-inch HTC One max, at a time...

116 by Ian Cutress on 12/23/2015

Browser Face-Off: Chrome 37 Beta Battery Life Revisited

Last week we posted our Browser Face-Off: Battery Life Explored 2014, where the battery run down times of Firefox 31, IE11 Desktop, IE11 Modern, Chrome 36, and Chrome 37...

22 by Stephen Barrett on 8/18/2014

Browser Face-Off: Battery Life Explored 2014

It has been five years since we did a benchmark of the various web browsers and their effect on battery life, and a lot has changed. Our testing then...

112 by Stephen Barrett on 8/12/2014

Windows 8.1 Battery Life Investigation: 1080p Video Playback

A couple weeks back, I posted a short article on battery life with Windows 8.1 looking at whether or not it had changed compared to Windows 8. The short...

67 by Jarred Walton on 11/6/2013

Sony VAIO Pro 13 Battery Life with Windows 8.1: Largely Unchanged

Last week I finished up the review of the Sony VAIO Pro 13, which delivers excellent battery life compared to most other laptops that we’ve tested – granted, it’s...

34 by Jarred Walton on 10/21/2013

Samsung Galaxy S 4 ZeroLemon 7500 mAh Extended Battery Review

One of the chief differentiators with the Samsung Galaxy S 4 versus other current flagship Android devices is the continued support for user-replaceable batteries. Although removable batteries are becoming...

73 by Brian Klug on 7/23/2013

Mophie Juice Pack Helium for iPhone 5 Review

Lately I have found myself doing a case review here and there, and battery cases are particularly interesting since they're easy enough for us to test and integrate into...

11 by Brian Klug on 5/1/2013

A Comment on PC Gaming Battery Life

During the process of writing the Razer Edge review, I spent a lot of my time gaming on battery. The Edge is marketed as being a mobile PC gaming...

32 by Vivek Gowri on 3/30/2013

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