... Purpose Power Supply 3,mini power supply Features:1,Material of battery:Lithium-ion polymer:3.7V 11200 ma h2,Output voltage:( ... 1A/5V,2A/9-12V, 4A/16-19V 4,Charging voltage: 100~240V AC/DC,5,Charging current: 2A ( ... 9,Material of electric eye multicrystal silicon solar 10,High solar energy convert efficiency: over than >16% 11 ... connectors: 15pcs (optional) Solar Portable All-Purpose Power Supply