“The Qduino Mini is Arduino-compatible & 100% open ... a fuel gauge that can tell you when to charge the battery.” • Battery Charger Circuit – just plug in USB and it charges the battery ...

Surely you need yet another way to charge your lithium batteries—perhaps you can sate your desperation with this programmable multi (or single) cell lithium charger shield for the Arduino?!

The latest addition to my collection is a cheap portable power supply module labeled by its seller as “18650 Battery Shield (V3) for Raspberry Pi & Arduino ... printed circuit board. The Micro USB ...

Just what you need for your Arduino ... 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 ...

Arduino enthusiasts and makers searching for ... Power to the multimeter is provided by a rechargeable LiPo battery which also includes its very own charging module. Check out the demonstration ...