ITEM NAME:30A max li-ion lithium battery 12.6v 18650 charger board pcb bms module ME Specification: Brand new and high quality Module:3S Li-ion Lithium Battery Protection Board Overcharge detection voltage :4.25 ±0.025V Overcharge Lift the voltage:4.15 ±0.05V Over discharge detection voltage :2.50 ±0.08V Over discharge Lift the voltage:3.00 ±0.1V Overcurrent current:20-30A Working current:15A(Natural cooling 10.A, add heat sink 15A, the maximum instantaneous current 30A) Remove protection.Working current:15A(Natural cooling 10. A, add heat sink 15A, the maximum instantaneous current 30A). Module:3S Li-ion Lithium Battery Protection Board. Short circuit protection.