Charger for BMK Batteries

This is the BMK low-amperage 1S Lipo Charger:  text and images from BMK

USB-C charger for 1S LiPo batteries.

This charger has been designed to be used with Micro JST 1.25mm batteries. It's configurable from 50mA to 200mA charge current. 

The default mode is 50mA output for suitable all 1S LiPo batteries above 50mAh. 

Using the Charger

• Connect any Micro USB charge cable to the charger.
• Plug the battery and the Red LED will turn on when charging.
• The Green LED will turn on if the battery is fully charged.

TO CHANGE THE OUTPUT, SOLDER AS FOLLOWS:

    Put a solder drop to the S1 and S2 jumper pads according to the table below

    Max. Charge Current     S1               S2
    50mA                            Open           Open
    75mA                            Soldered     Open
    100mA                          Open           Soldered
    200mA                          Soldered     Soldered