Features: 1. Small body and it has stable performance. 2. Made of high quality electronic component, durable and long service life. 3. The maximal charging current is 20A and the continuous discharge current is 30A 4. This is 4S lithium iron phosphate battery protection board with equilibrium which can provide stable performance. 5. Suitable for massager battery pack, LED light backup power supply, 12V electronic products, solar street light battery pack, monitoring standby power supply, and other products Specification: Condition: 100% Brand new Continuous Discharge Current: 30A Instantaneous Discharge Current: 56A Charging Voltage: Iron lithium charger 14.8V Charging Current: 20A (maximal) Overcharge Detection Voltage: 3.75±0.05V Overcharge Protection Delay: 1300MS Overcharge Release Voltage: 3.6±0.05V Power Equalization Detection Voltage: 3.6±0.05V Power Equalization Release Voltage: 3.59±0.05V Power Equalization Current: 58mA Over-Discharge Detection Voltage: 2.1±0.08V Over-Discharge Detection Delay: 145S Over Discharge Release Voltage: 58mA Package List: 1 x Module 1 x 5Pin Socket 1 x 5Pin Connecting Cable