Lithium Battery Protection and Balancing Board BMS 4S 50 A with Balancer Function

This four-channel protection and balancing board (BMS) is designed for safe operation and extended service life of 4S battery packs (based on four lithium-ion cells connected in series). The module supports a high operating current of up to 50 A and features a balancing circuit that ensures even charging of each individual cell. Built-in multi-level protection effectively prevents emergencies caused by short circuits, excessive discharge, or overcharging. Features: Product type: lithium-ion battery protection and balancing board (BMS Protection Board) Specifications: 4S configuration (4 cells connected in series), maximum operating current up to 50 A, built-in cell balancing function, contact markings B-, B1+, B2+, B3+, B+, P+, P- Purpose: protects the battery pack against overcharging, over-discharging, overcurrent and short circuits, and equalizes voltage across the cells