BMS 5S 20 A 21 V Protection and Control Board with Built-in Holders for 18650 Batteries

This integrated BMS protection and balancing board in 5S format is designed for quick and convenient assembly of high-power battery packs from five 18650 cells. The main feature of the module is its built-in spring holders (slots), which allow batteries to be installed and replaced mechanically without spot welding equipment. The board provides comprehensive protection against critical operating conditions (overcharge, overdischarge, overcurrent and short circuit), and the DC connector and power terminals simplify connecting chargers and loads. Features: Product type: lithium-ion battery protection board with holders (BMS Holder Board). Specifications: 5S configuration (for 5 cells connected in series), operating current up to 20 A, charging voltage 21 V, built-in spring contacts for 18650 batteries, DC power connector. Purpose: safe assembly, charging and protection of battery packs against overcharge, overdischarge and short circuit.