The 3S Li-ion 18650 Battery Charger Board BMS Protection (12.6 V) is a charging and protection board for 3-series (3S) Li-ion battery packs, with a total nominal voltage of 11.1 V and a maximum charging voltage of 12.6 V.
It provides full protection against overcharge, overdischarge, overcurrent, and short circuit, ensuring safety and longer cell lifespan.
It supports a charging/discharging current up to 20 A (depending on the model), and features automatic voltage balancing between the cells.
Ideal for DIY 18650 packs, portable devices, power banks, audio units, or electronic projects requiring a stable and safe 12 V supply.