4344 Results for

battery-free

Article

Battery-free flashlight among Google Science Fair winners

Teens invent a warning system for approaching ambulances, banana peel bioplastics, and flu drug modeling.

By September 24, 2013

Article

Apple will replace your defective iPhone 5 battery for free

A "small percentage" of iPhone 5 devices sold between September 2012 and January 2013 have faulty batteries that drain quickly, the electronics giant says.

By August 25, 2014

Article

Samsung says Galaxy S4 battery woes 'limited', offers free batteries

Samsung is offering free batteries to anyone who's found their Galaxy S4 losing power.

By October 17, 2013

Article

Battery-free LED flashlight recharges in 90 seconds

At $169.99, Light for Life is one of the most expensive flashlights out there, but it's also one of the greenest. It charges up in a minute and a half, gives you up to 90 minutes of light, and can be recharged more than 50,000 times.

By June 17, 2009

Article

A battery-free remote control

Prototype relies on kinetic energy.

By June 9, 2008

Video

Free tool to extend MacBook Pro battery life

Gfxstatus is a useful menubar item that lets you choose between Integrated or Discrete graphics on late 2008-2012 MacBook Pros. If you need more power, force the Discrete option. If you need to save battery life, choose the Integrated graphics. And if you trust the computer to switch back and forth, choose the Dynamic option and enable Growl notifications so you can see the switch occur.

September 7, 2012

Article

Samsung offers extended-life battery free with Galaxy Nexus

The phone maker is throwing in a free bundle with a longer-life battery and cover to protect it.

By March 27, 2012

Article

U.S. Cellular swaps batteries for free

U.S. Cellular started a free program for its customers to replace dead or dying cell phone batteries.

By May 13, 2009

Article

iBetterCharge monitors your iOS device battery level from a Mac

Keep an eye on your iDevice's battery level and get alerts when it's time to charge using a free app and your Mac.

By March 18, 2014

Review

Motorola Droid Maxx

If you can get past its steep price, the massive-screened Motorola Droid Maxx is currently Verizon’s best Android smartphone.

August 26, 2013

4.5 stars Editors' rating August 26, 2013