Solar window chargers have several advantages when compared with other charger types. You can stick this DIY solar window charger to the inside of a glass window with the solar panel facing out and ...

Oki Printed Circuits has showcased technology that embeds a 170μm-thick thin-film all-solid-state lithium-ion (Li-ion) rechargeable battery into a 0.8-mm-thick printed circuit board (PCB).