Round BMS 4S 15A Protection Board for Li-ion Batteries 18650

This compact protection board (BMS) in a 4S configuration is designed for assembling and safely operating battery packs based on four Li-ion cells of the 18650 format (nominal voltage 14.8 V, maximum 16.8 V). The unique round shape of the printed circuit board is engineered for convenient mounting against the end of the battery pack. The module features high-quality switching transistors and a control IC, providing continuous monitoring of each cell's parameters and preventing emergency operating modes. Features: Product type: protection board / BMS controller (Battery Management System) Specifications: 4S configuration (for 4 series-connected Li-ion cells), operating current up to 15 A, distinctive round board shape for mounting on an 18650 battery pack, MT4000 controller IC, N3004A power MOSFET transistors Purpose: protection of lithium-ion batteries against overcharging, deep discharge, overcurrent and short circuit