Product List
Model：B2
How To Calibrate
Please follow the steps below: Use the battery’s electricity completely, then charge the B2 battery, the charging process should be continuous until it is completely full. After the battery is completely full, then discharge it for use, the process of discharging and using it should be continuous, do not disconnect, charge, etc. in the middle …
Lights
Ring button: When there is no load: click is to check the power level, double click to turn off When there is load: click to wake up the battery, output load, the ring light will be on, the indicator light will be on; double click to turn off the battery, turn off the output, the …
Inputs And Outputs
Important note: All power banks sold in the market have output losses, which is why the output capacity of all power banks is much lower than the rated capacity. Currently, the output efficiency of B2 is considered relatively excellent in the industry, with a loss rate of only about 16%, while many low-end ones exceed …