Pack of 2 3S 40a 12.6v 18650 Li-ion Lithium Battery Protection and Charger BMS Module

Upgrade your power projects with the Universal Hub 3S 40A Lithium Battery Protection Board. Whether you are repairing a high-torque cordless drill or building a custom 12V portable power station, this BMS (Battery Management System) provides the critical protection and performance required for high-drain applications.