rechargeable batteries

Mophie’s Powerstation AC is the only backup battery you’ll ever need

Mophie’s been a solid, consistent maker of external batteries and backup power sources, but its new Powerstation AC just might top them all. The large, 22,000 mAh powerhouse has ample output opt

BMW teams up with Solid Power to develop solid-state batteries for cars

Automaker BMW is chasing that solid-state battery tech carrot, same as most everyone else in the industry. Today, it’s announcing a new partnership with battery technology company Solid Power to

Kado wants to make the world’s thinnest charger

What can you wrap up in ribbons? Stick in your sock? And what can you take out in public and not get thrown in the dock? The Kado phone charger, of course. This new product by Itay Hasid and Daniel As

New lithium metal tech can create ultralight car batteries and thinner phones

Soon cars, drones, phones, and almost anything with a battery are about to get a boost from a new MIT spin-out, SolidEnergy Systems. The company promises to double the battery life of basic lithium i

Used BMW i batteries store solar power at home

BMW i joins Tesla and Mercedes-Benz in bringing energy storage home with its new system, which has yet to be given a catchy name. The system uses new or used batteries from the BMW i3 electric car to

Roost Raises $5.5M To Retrofit Dumb Gadgets Into Smart Gadgets

In 2014 the Roost Smart Battery accumulated nearly $100,000 in Kickstarter pledges. But that was just the start for Roost. Today the company is announcing a $5.5 million Series A lead by RPM Ventures

Sanyo Announces Rechargeable Waist Warmer And Neck Warmer

<img src="" /> Sanyo Japan has rolled out a number of eneloop-branded warmers in the past, for example for the <a href="http

Energizer solar recharger to debut at CES

<img src="" /> Details of a portable solar-powered AA and AAA battery charger by Energizer were <a href=

Review: Energizer 15-minute charger

There are only a handful of gadgets in my possession that can’t be charged over USB: TV/Cable/Blu-ray player remotes and my DSLR. My Xbox 360 controller was a battery hog once upon a time, but the N

USBCell Rechargeable Batteries Hands-On

USBCell was kind enough to send over some rechargeable AA batteries for CrunchGear to test out and they couldn’t have arrived any sooner. My unhealthy addiction to Xbox 360 (and its wireless control

USBCell For All Your Gadgets

The makers of the ever popular USBCell batteries have taken the next step by infiltrating the mobile device market. I’m a big fan of having extra batteries on hand because, like most geeks, my mobil