ITEM NAME:3A-5A Pcb Bms Control Protection Board For 3 Packs 3S 18650 Li-Ion Lithium X3O6 3A-5A Pcb Bms Control Protection Board For 3 Packs 3S 18650 Li-Ion Lithium X3O6 The main IC adopt the "ricoh" import components. Have overcharge, discharge, over current, short circuit protected function, use as in a variety of capacity of 3.7 V lithium batteries. Adopt NSK protected IC, VISHAY, AOS, IR high quality MOSFET, FR - 4 plank, low temperature coefficient and excellent design, fine workmanship,complete testing. Small size, suitable for many occasions with high integration, low cost requirements, ensure the battery pack absolutely safe and reliable Built-in high precision voltage detection circuit. Connect to the charger terminals which using high pressure device. Built-in three over current detection circuit (1 over current, 2 over current ,load short circuit) Application:Computer