new and high quality Super strong protection. Lnput: 100-240VAC, 50 / 60Hz; Output: 67.2V 2A; Charging Indicator: Charge red light is full of green light; Safety protection: OVP / OCP / Overload protection / Short-circuit protection; Max power: 150W Connector: DC 5.5 * 2.1 / 3-Pin XLR / 3P GX16 / / 3P GX12 / 3P Plug / DC 8mm / 4-Pin XLR Purchase Notes: Please make sure if your battery model matches the charger, and make sure that the positive and negative poles of the connector are the same as your charger. If the positive and negative poles are different, the charger always display a green light and fail to charge. If you are using a multimeter to test the charger, please fully charge the multimeter for testing. There be errors when the multimeter is not fully . Charger Use and Maintenance: 1. When charging, connector to the battery, then connect to the AC; After full, cut off AC, then unplug the battery. If you pull the battery plug first when charging, especially when the charging