3S 40A Li-Ion Battery Protection Board BMS

• 3S 40A Lithium-ion battery protection board (BMS) with overcharge and deep discharge protection. • Integrated current monitoring prevents short circuit risks during high drain usage. • Precision MOSFET switching balances cell voltage to extend pack life. • Rated for 40A continuous discharge and 12.6V charge voltage. • Suitable for 3-cell (3S) lithium-ion battery packs. • Brand new, high-quality components for reliable performance.