PIC-IoT Wx features an MCP73871 Li-Ion/LiPo charger and JST battery connector on board. The charger is configured to limit the charge current to 100 mA to prevent the overcharging of small capacity batteries. Minimum recommended battery capacity is 400 mAh.
| LEDs | Function |
|---|---|
| Red (charging) | The battery is being charged by the USB |
| Red (discharging) | The battery voltage is low. Triggers if the voltage is under 3.1V. |
| Green | Charge complete |
| Red and Green | Timer Fault. The six-hour charge cycle has timed out before the complete charge. |