USB Charging Box
thingiverse
This charges batteries as well as your device. I use it to connect to some solar panels so I can charge my batteries and device at the same time. I glued the top on to the case once everything was situated. Box for charging devices For the switch: https://www.amazon.com/gp/product/B01N2U8PK0/ref=oh_aui_detailpage_o08_s01?ie=UTF8&psc=1 To charge your device, supports iPhones: https://www.amazon.com/gp/product/B07F266X24/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1 Battery Connection: https://www.amazon.com/Micro-USB-Battery-Charger-Over-Discharge/dp/B01LHD9D7E/ref=sr_1_9?ie=UTF8&qid=1539641086&sr=8-9&keywords=micro+usb+converter+5v+step+up 18650 lithium batteries x2: https://www.banggood.com/4PCS-MECO-3_7v-4000mAh-Protected-Rechargeable-18650-Li-ion-Battery-p-992723.html?rmmds=search
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