The wide availability and power density of 18650 lithium-ion cells have made them a good option for everything from electric cars to flashlights. [Theo] needed a new power source for his FPV drone ...

Posted in drone hacks, Tech Hacks Tagged 18650, battery charging, fpv goggles, power bank ← A Tracker For Radio Sondes 76-bit Trombones Led By The Big MIDI File → ...

Apple is weighing up the possibility of developing a wearable battery module to charge an Apple Watch while it's being worn, according to a ...