Product Description3.6V 3.7V Signle 18650 Li-ion Battery Protective Circuit BoardDescription: The main IC USES imported components. Have overcharge, discharge, over current, short circuit protection function, such as various shapes used in a variety of capacity 3.6 3.7 V lithium battery protection boardByd protection IC, VISHAY, AOS, IR high quality MOSFET, FR - 4 plank, low temperature coefficient excellent design, fine workmanship, testing complete. Small size, suitable for many occasions with high integration, low cost requirements, can satisfy the performance requirements of many sided, to ensure that the battery pack is absolutely safe and reliable.Features:B + for: connect the battery of the positiveB-for: connect the battery anodeP + for: the positive outputP-for: output anode. Package included: 1 x 3.6V 3.7V Signle 18650 Li-ion Battery Protective Circuit Board