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 ...

Over at Hackaday.io [AndyHull] popped open some cheap LiPo battery power packs to see if ... [Andy] looked at have a TP4221 controlling the charge cycle for up to four 18650 LiPo cells connected ...

Google has reportedly started rolling out the new battery charging limit feature to Pixel phones with the latest November ...