... 2,All-Purpose Power Supply 3,mini power supply Features:1,Material of battery:Lithium-ion polymer:3.7V 11200 ma h2,Output voltage:(Optional ... . 19V.3,Output current: 1A/5V,2A/9-12V, 4A/16-19V 4,Charging voltage: 100~240V AC/DC,5,Charging current: 2A (max ... ) 6,Charging Time (Max.) <3 hours 7,Electric eye dimension: 120mmx80mm 8,Peak power supplied ...