ITEM NAME:Li-ion Lithium Battery 3S 6A 8V 18650 Charger PCB BMS Protection Board Cell Descriptio n Description: 100% brand new and high quality. Main IC using original "precision" imported componemts.With over charge,over discharge,over current,short circuit protection,for a variety of different shapes of 3.7V capacity lithium batteries. Using the Japanese precision protection IC,VISHAY,AOS,IR and other high quality MOSFET,FR-4 low temperature coefficient of plate,well-designed,comprehensive test. Compact size,suitable for many requirements of high integration,low cost occasions,can meet the performance requirements of many aspects,to ensure the absolute safety of the battery group. Main function: Overcharge protection, over discharge protection, short circuit protection, over current protection. Specifications: Model No. : Long Hx-4s-A01 Brief Paragraph HX - 4 S - A10 Short Size: 65*17*3.0mm Length: 72*17*3.0mm Overcharge Voltage Range: 4.25-4.35v ±0 Overdischarge Voltage Range: 2.3-3.0v ±0.05v Upper Operating Current: 6-8a Operating Temperature: -40-- +50℃ Upper Instantaneous Current: 12A Storage.1 18650 Battery Circiut Protection PCB Board. Resistance: Less Than 100 M ÃŽ ©. Useful Life: Over 50000 Hours. We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item.