You can charge anything from cell phones ... monitor the battery level of whatever device you are charging. “Amazing car charging tool,” wrote another customer. “This car charger charges ...

[Jay Kickliter] built his own coin cell battery recharger ... So we’re happy to see this charger project come along. Now the bad news. We looked around and indeed you can find LR2032; a ...

It’s barely larger than the battery itself, and it plugs right into a USB port. How this isn’t a product already, we’ll never know. The circuit on this coin cell charger is built from an ...

Remember that leaving electronics like GPS or cell phones plugged into a car charger can drain the battery, too. No matter how well you take care of it, eventually your battery will die and you'll ...

This is where a portable charger, battery pack, or power bank becomes invaluable. By connecting your phone to a portable charger, you can recharge your device without being tied to one location.

Even if you've never used jumper cables before, they're still an excellent way to get your car rolling again when you don't have a charger. Using jumper cables to revive a dead battery is a fairly ...