... .Safe and reliable,durable 2.Small size and light weight 3.Intelligent battery charger . 4.Certificates:CE,ISO9001, ... protection function, in the battery under voltage, over voltage, over current,over temperature, short-circuit ... Battery Charger ModelQA-6012QA-6020QA-6024QA-6028Input VoltageAC220V±10% 50HZOutput Power≤150W≤220W≤250W≤300WMax Output VoltageDC73.5VDC73.5VDC73.5VDC73.5VMax Output Current ...