18650 Lithium Battery 2S/4S 4A Multi Cell BMS Boost Charger Module | Type-C USB Lithium Li-ion Battery Charging Protection Board 8.4V 12.6V 16.8V Step-Up Power Module (3S-4A)

The 18650 Lithium Battery 2S/4S BMS Boost Charger Module is a powerful charging and protection solution for multi-cell lithium battery packs. Featuring Type-C USB input, this board supports various configurations (2S/4S) and provides stable output at 8.4V, 12.6V, and 16.8V, making it ideal for high-capacity battery applications. With up to 4A charging current, it enables fast charging while ensuring protection against overcharge, overcurrent, short circuits, and temperature fluctuations. This versatile module is suitable for building portable power banks, DIY power supplies, and backup battery solutions for electronic devices.