Waterproof High capacity lithium polymer battery, portable solar battery , Capacity: 20,000 mAh/3.7 V Entrance: – USB-A port 1: 5V/3A – USB-A port 2: 5 V/3 A 9 V/2 A 12 V/1.5 A – USB-A port 3: 5 V/3 A 9 V/2 A 12 V/1.5 A – USB-C: 5V/3A, 9V/2A, 12V/1.5..