1.ce 2.Full power 3.Modified sine wave 4.With battery charger 5.Overload,overheat protection factory ac dc power converter 3000w OEMDC12V to AC220V 50Hz 3000W power inverter with battery charger This is new for busines,travelling,outdoor area working with your 250mAh battery;otherwise,connect the inverter to the AC power,charging to your battery easily. Specifications:ModelSN - 3000WRated ...