Rated output voltage: 12V Rated output current:1.5A Rated capacity: 32.6WH (2700mAh 12V) Running time: about 2~2.5 hours Charging time: about 3 hours Cycle time: at least 300 times Operating temperature:0~40'c Storage and transportation temperature:-20~45'c Dimension:105*71*23mm Weight:about250g Battery type:Lithium-ion cell Approved: CE, FCC