This is 1S 18650 Li-ion Lithium Battery BMS Charger Protection Board for 3.7V Battery. Protections: Short circuit protection Overcharge protection Over-discharge protection Over-current protection Pins description: P-: negative of input or output power P : positive of input or output power B-: negative of the battery B : positive of the battery Features: High accuracy voltage detection circuit; Using high voltage device charging terminal; The built-in three-stage overcurrent detection circuit (overcurrent 1, overcurrent 2, load short circuit); The battery charge and discharge can control the MOS transistor; Package Includes: 1 x 1S 18650 Li-ion Lithium Battery BMS Charger Protection Board for 3.7V Battery Specifications: Compatibility Li-ION 3.7V Batteries (18650, 14500) Overcharge detection voltage 4.25±0.05V Overcharge Lift the voltage 4.23±0.05V Over-discharge detection voltage 2.54±0.1V Over-current detection current 3A Working current 1A
