The waterproof e-reader features a large 7-inch glare-free display, a battery that lasts for weeks, and a single charge that lasts up to 12 weeks. View Deal Amazon Kindle Paperwhite Signature ...

Amazon released quite a few brand-new Kindles in October. Alongside upgraded versions of the standard Kindle, Kindle Paperwhite, Kindle Paperwhite Signature Edition, Kindle Kids, and Kindle ...

25, 2024 — Researchers have developed a miniature soft lithium-ion battery that could be used as a defibrillator to control heart rhythm during surgery. The flexible lithium-ion battery is ...

Before you can monitor your battery life, you need to know exactly what you're looking at. The iPhone battery icon in the top-right corner of the screen represents how much juice is left on the ...

If you don't have one of the best power banks already, you need one, and with great Black Friday deals on plenty of our top picks, now is the best time to buy one. You can find amazing deals from ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

Looking for a phone that won't let you down when it comes to battery life? We've got you covered. Battery performance is a crucial factor in choosing a smartphone, and it continues to improve year ...

Is your phone, tablet, or laptop typically in the battery red zone before the day's end? These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile ...