Place of origin Liaoning,China. Power supply AC adapter, car, solar panel. Battery type lithium iron phosphate, Lifepo4. Inverter type pure sine wave, pure sine wave. Controller type MPPT. special features wireless charging, remote control, C-type, torch, cigar lighter, air compressor, external battery. Battery capacity Lifepo4 537Wh. ac output 220V/700W. warranty 1 year limited warranty. Wireless charging. 5W/7.5W/10W/15W. application emergency back-up power LED torch portable energy storage.