As far as battery technology goes ... Luckily, [Paul] sent in a great tutorial on building a LiPo charger that works over USB. The board [Paul] came up with is incredibly small – just barely ...

This half-inch square ultra-low power energy harvesting LiPo cell charger by [Kris Winer] uses ... the heavy lifting and has nifty features like battery health monitoring and undervoltage ...

I was curious about how long I could shoot videos with a compact pocket-sized gimbal camera, so I actually measured the operating time and charging ... 1,300mAh LiPo battery and has a battery ...