Specification:
Compatible Battery Type: Lithium-Ion only
Supported Battery Packs: 2S / 3S / 4S / 5S (7.2V–21V)
LED Status Indicator:
ON (Red): Charging
OFF: Charging Complete
Input Voltage Range: 7.2V to 21V DC
Load Capacity: Up to 5A
PCB Dimensions: 1 inch x 1 inch (25.4mm x 25.4mm)
Function: Passive battery charge monitor
Installation: Inline between charger and battery
Material: High-quality PCB with SMD components
Weight: Approx. 5g
Color: As available
Description:
This Charging Indicator PCB is a compact and efficient monitoring solution specially designed for 2S to 5S Lithium-Ion battery packs (7.2V to 21V). It visually indicates charging status with a red LED that turns off automatically when charging is complete. Ideal for DIY charging circuits where battery status indication is essential. Note: This module is compatible with Lithium-Ion batteries only and does not work with lead-acid or SLA batteries.
Application:
DIY Lithium-Ion battery charging circuits
Battery packs without built-in indicators
18650 battery packs (2S–5S)
Portable power banks and electronics
Projects requiring visual charge status feedback