The 5S 21V 20A Li-Ion BMS is designed to manage and protect lithium-ion battery packs used in drills and cordless power tools. It supports a 5-series cell configuration (5S), with a full charging voltage of 21V and a current rating of up to 20A.

The BMS helps protect the battery cells and manage charging and discharging, providing safer and more stable operation for compatible battery packs.

It is suitable for assembling, repairing, or replacing lithium-ion battery packs used in drills and other rechargeable cordless power tools.

Features:

• Li-Ion Battery Management System (BMS).

• Supports 5S lithium-ion battery configuration.

• 21V full charging voltage.

• Up to 20A current rating.

• Suitable for drills and cordless power tools.

• Helps protect the battery during charging and discharging.

• Suitable for lithium-ion battery pack assembly and repair.