4S 18650 Li-ion BMS Protection Board 40A Balanced Version 16.8V

The 4S 18650 Li-ion BMS Protection Board 40A Balanced Version 16.8V is a practical power module for electronics, robotics, automation and learning projects. It helps regulate, step up, step down, charge or protect DC power in battery-powered and embedded systems. It is selected for makers and engineers who need a dependable module that is easy to integrate, document and test. Important details include Voltage: 16.8V, Current: 40A, Product Type: Power conversion / battery management module. Use it with compatible controllers, proper wiring and a suitable power source for stable project performance.