[Jay Kickliter] built his own coin cell battery recharger. This won’t work on the vast majority of coin cells as they are manufactured as disposable parts. But there are rechargeable options … ...

(Other brands are available for about $15 for two — but they'll need a D-cell charger, which adds to the cost.) ... The spacers come in two sizes to make a AA into a C- or D-cell battery.

The foldable and portable Statechi Duo Wireless Charger Power Stand lets you replenish your phone and AirPods at the same time without wires via its 10,000mAh battery. There's even an extra 18W ...

A AA rechargeable battery, center, can take the place of D cells or C cells by slipping into sleeves (D size at left; C size, right) designed to hold the AA battery in place.

Intersil’s ISL78693 3.6-V single-cell battery charger increases the life of LiFePO 4 backup batteries used in automotive eCall (emergency call) systems. According to the manufacturer, the ISL78693’s ...

The charger is available for $19 but for the time being, only Japanese cell phones are supported. Topics Crunchgear Japan , Hardware , Headline , mobile phone , solar energy , strap ...

Rechargeable coin cell batteries are great for all your small projects. They look exactly like regular coin-cell batteries, but in a shocking turn of events you can recharge these little guys. They… ...

Mobile-industry leaders agree to use Micro-USB as a single standard for phone chargers, promising to reduce the number of chargers shipped and the number needed by users to revive their handsets.

The Solpowben 3800mAh Solar Charger & Portable Power Bank is just $18 and has a 4.3 out of 5 star rating with more than 1,100 reviews. It comes in two colors: orange or blue (pictured below).

While myFC's PowerTrekk fuel cell/battery is a handy device for off-grid device-charging, it's not exactly the type of thing that you'd just slip into a purse or pocket. The company’s new JAQ ...