DIY Mobile Power Shell 18650/21700 Charge Power Box 5V/2A Type-C Fast Charging Cylindrical Aluminum Welding-Free Power Bank Case

LoRa Band : 863-870MHZ High-concerned chemical : None Model Number : 18650/21700 Origin : Mainland China Name : Mobile phone Power Case function 1 : Mobile phone power supply function 2 : Type C Battery Charge Storage Box Shell feature : Cylindrical Welding-Free Material : Aluminum alloy