3.7V lithium battery protection board for polymer 18650 pad spot welding

DESCRIPTION:

The main IC uses the original rich crystal import components. With overcharge, over discharge, overcurrent, short circuit protection, for a variety of various shapes 3.7V lithium batteries. The use of rich crystal protection IC, VISHAY, AOS, IR and other high-quality MOSFET, FR-4 low temperature coefficient sheet, well-designed, fine workmanship, comprehensive testing. Small size, suitable for many requirements of high integration, low cost of the occasion, to meet a wide range of performance requirements to ensure that the battery pack is absolutely safe and reliable.

TECHNICAL PARAMETERS:

Overcharge detection voltage: 4.25 ± 0.05V

Overcharge release voltage: 4.23 ± 0.05V

Over discharge detection voltage: 2.54 ± 0.1V

Overcurrent detection current: 1-3A

The main function:

Overcharge protection, over discharge protection, short circuit protection, overcurrent protection.

WIRING INSTRUCTIONS:

B + connected to the battery positive.

B - connected battery negative.

P + is the battery output input positive

P - for the battery output input negative