3S 20A BMS: Maximum Output Current: 20A; Quiescent Current: less than 30uA High Accuracy Voltage Detection Circuit, Fine Workmanship and Durable Charging Voltage: 12.6V;Continuous Discharge Current (upper limit) : 20A (When the Heat Dissipation Environment is NOT Good,Please Reduce the Load Current ) It can Meet Performance Requirements and the Absolute Safety and Reliability of the Battery Pack Applications:Vacuum Cleaner,Massager Battery Pack, LED Light Backup Power Supply,12V Electronic , Solar Street Light Battery Pack, Monitoring Standby Power Supply etc. 3 strings of 12.6V 20A lithium battery protection board (with function - AUTO ) of application: Lithium batteries with nominal voltages of 3.6V and 3.7V (including 18650, 26650, and polymer lithium batteries) Product weight: 4.3g Continuous charging current (upper limit): 10A Type:3S 20A - Lithium Battery 18650 Charger PCB BMS Protection Board Application:3S 20A - Lithium Battery color:Green Material:PCB + electronic accessories size:59 x 20 x 3.4mm Package Contents: 20 x Lithium Battery Charger Module Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.