When you receive the power bank for the first time:

1) Please use up all of the power 2) And then full charge it 3) It will be better to charge-discharge about 2-3 times to reach good capacity


Battery Type: Lithium Ion Polymer Battery Color: Black, White Battery Capacity: 50000mAh Rated Capacity: 40000mAh Input: 5V/2.1A*3 Output: 5V/2.1A *4 Power: 10W Material: ABS Size: 165*81*50mm Net Weight: 1090g


1. With digital display 2. With LED light 2. 4 USB output ports(USB A), 3 input ports (For Lightning+Micro USB+TypeC) 3. Large Capacity-50000mAh capacity