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1S LiPo Battery Charger for Micro JST 1.25mm batteries

Regular price £4.99

USB-C (formerly Micro USB) charger designed for 1S LiPo batteries with Micro JST 1.25mm connectors. Ideal for charging cells used in timers, beacons, and small servos.

This charger supports configurable charge currents between 50mA and 200mA. The default output is 50mA, suitable for most 1S LiPo batteries above 50mAh capacity.

🔌 Using the Charger

  • Connect a USB-C (or Micro USB) cable to the input port.
  • Plug in your LiPo battery; the red LED indicates charging.
  • The green LED lights up when charging is complete.

⚙️ Configuring the Charge Current

Solder Pads for Configuration

To adjust the charge current, apply solder to jumper pads S1 and S2 according to the table below:

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

⚠️ The PCB marking may incorrectly label 75mA as 100mA—please follow the table above for accurate settings.

📦 Package Includes:

  • 1 × Charger Board

⚠️ Warning: Older versions with dual battery outputs are parallel-connected and only safe to use if both batteries are at the same voltage level.