As far as battery technology goes, Lithium Polymer cells are the bee ... Luckily, [Paul] sent in a great tutorial on building a LiPo charger that works over USB. The board [Paul] came up ...
completing the circuit. When the battery is charging, the process reverses. In most of today’s lithium-ion batteries, the anode is made of graphite, a heat-resistant, crystalline form of carbon ...