Rated output voltage: 9V/12V (USB 5V) Rated output current:1.5A Rated capacity: 22000mAh (81.4 Wh) Running time: about 7 hours (12W) Charging time: about 4.6 hours (12V, 1.5A) Charging type:no need expert charger, can use digital photo frame adapter charge the battery Operating temperature:0~40'c Storage and transportation temperature:-20~45'c Dimension:230*120*23mm Weight:about400g Battery type:Lithium-ion cell Standard accessories:connection cable/transform plugs /cellphone connectors/DC connectors