The BMS is used for li-ion battery without balancing function Features: 1) high-accuracy voltage detection circuit; 2) terminal of the charger using high voltage device; 3) Built-in three-stage over-current detection circuit (over-current 1, over-current 2, load short circuit); 4) MOS transistor can control the battery charge and discharge; Parameter: Over charge voltage: 4.25±0.05V Over charge release voltage:4.23±0.05V Over discharge voltage:2.54±0.1V Maximal continuous charging current: 2A Maximal continuous Discharging current: 2A Over current protection: 3A Size: L40*W4*T3mm