The BMS 4S 40A 16.8V Lithium Battery Charger Protection Board is a reliable and efficient solution for managing and protecting 4-string lithium battery packs. Designed for use with 18650, 26650, and polymer lithium batteries, this board offers robust protection features including overcharge, over-discharge, and overcurrent protection, ensuring the safety and longevity of your battery packs. Ideal for applications requiring high discharge currents, such as power drills and other high-power devices.

Key Features:

• Supports up to 16.8V charging voltage.
• Continuous discharge current up to 40A.
• Multiple safety features including overcharge, over-discharge, and short circuit protection.

Technical Specifications:

• Product Name: 4S 40A Lithium Battery Protection Board
• Charging Voltage: 16.8V
• Continuous Discharge Current: 40A
• Continuous Charging Current: Up to 20A
• Size: 43 x 54 mm
• Applicable Batteries: 18650, 26650, polymer lithium