Solar charged usb power-bank

thingiverse

When you're spending all day at the beach during the summer with your Bluetooth speaker blasting away through your phone, even if you bring a power bank along, it's still bound to run out of juice. Since you're already stuck outside in the scorching heat for hours on end, why not make the most of it and harness that energy (literally) while you're at it? So, here's what I came up with - say goodbye to dead batteries and hello to endless beach tunes! Just remember, this is still a work in progress, so bear with me as I iron out the details on the underside and snap some photos of it in action.