3S 4A Lithium Battery BMS Charging & Protection Module

Battery Type: 3S Lithium-Ion / Li-Polymer Input Voltage: 12.6V (Recommended charging voltage) Output Voltage: Varies from 9V to 12.6V (depending on charge level) Maximum Continuous Discharge Current: 4A Overcharge Protection Voltage: 4.25V ± 0.05V per cell Over-Discharge Protection Voltage: 2.5V ± 0.1V per cell Charging Current: Recommended 1A–2A for optimal battery life Short Circuit Protection: Yes (Auto recovery) Balance Function: Yes (Ensures equal charge across cells)