Flask Power-Bank

thingiverse

Here's a simple DIY Power-Bank that looks like an alcohol flask. It uses an unpopulated and affordable power bank circuit and 3 recycled 18650 cells from an old laptop battery. To assemble it, you'll need 4 screws: 4 x 2.5 mm x 10 mm and 4 x 2.5 mm x 20 mm to secure the casing. The top part (threaded) and the largest piece were printed with support, but I'm not sure if they really needed it. For more information, check out this link in French: http://espace-tuto.com/flasque-power-bank-chargeur-usb-portable/