18650 3.7V Lithium Battery Charging Protection Board

The main IC features overcharge, over-discharge, overcurrent, and short-circuit protection functions, suitable for 3.7V lithium-ion cells of various capacities and shapes. It utilizes high-quality MOSFETs from VISHAY, AOS, and IR, and FR-4 low-temperature coefficient substrates. The design and workmanship are meticulous, and comprehensive testing is performed. Its compact size makes it suitable for many applications requiring high integration and low cost, meeting diverse performance requirements and ensuring the safety and reliability of the battery pack.

Technical Parameters:
Overcharge Detection Voltage: 4.25±0.05V
Overcharge Release Voltage: 4.23±0.05V
Overdischarge Detection Voltage: 2.54±0.1V
Overcurrent Detection Current: 1-3A

Main Functions: Overcharge protection, over-discharge protection, short-circuit protection, overcurrent protection.

Wiring Instructions:
B+ connects to the battery positive terminal.
B- connects to the battery negative terminal.
P+ is the battery output/input positive terminal.
P- is the battery output/input negative terminal.