3S 4A lithium-ion battery charger
A 3S 4A lithium-ion battery charger module is a compact, efficient device designed to charge a 3-cell battery pack (3S) with a constant current of 4 Amperes
Battery cells: 3 in series (3S) with a nominal voltage of 11.1V and a full charge voltage of 12.6V (4.2V per cell)
Charging current: 4A for fast and reliable charging
Input USB Type-C port, operating around 5V DC input
Charging method: Constant Current / Constant Voltage (CC/CV)
Protection safeguards against overcharge, overcurrent, short circuits, and overheating
Size compact PCB approximately 39 x 18 x 6 mm, lightweight (~5g)
Indicators LED lights indicating charging status (charging or fully charged)
#Applications
Ideal for charging 3S 18650 lithium-ion packs in DIY projects
power banks
robotics, and
portable electronic devi