Description

This 3S 40A lithium battery protection board (BMS) is designed for 18650 battery packs, providing reliable safety and performance. It supports 3-cell (11.1V nominal, 12.6V full charge) configurations and includes balance functionality to extend battery life. Ideal for drills and high-power DIY applications.

 Key Features

• Battery Type: 3S (3 Cells in Series)
• Voltage: 11.1V Nominal / 12.6V Full Charge
• Current: 40A High Current Support
• Function: Balance Charging
• Protection: Overcharge, Over-discharge, Overcurrent, Short Circuit
• Compatible With: 18650 Lithium-ion Batteries
• Use: Drills, power tools, DIY battery packs