Battery

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 to highly desirable feature in a short period of time, with it being particularly popular in China, Meizu’s home market. Great Scott! While not powerful enough to send a DeLorean back to the future, the 55W rating for Super mCharge (11V, 5A) is significantly higher than anything we’ve yet seen. For comparison, Motorola’s TurboPower is rated for 28.5W, and Qualcomm’s Quick Charge 3.0 hits 18W. Meizu is using a charge pump, a type of DC to DC converter that uses an external circuit to control the connection of capacitors to the input voltage. By disconnecting the capacitor from...

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...

31 by Vivek Gowri on 3/30/2013

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