... All-Purpose Power Supply 3,mini power supply Features:1,Material of battery:Lithium-ion polymer:3.7V 11200 ma h2,Output voltage:(Optional) ... /9-12V, 4A/16-19V 4,Charging voltage: 100~240V AC/DC,5,Charging current: 2A (max) 6,Charging Time (Max.) ... PC(optional)/ Mobile phone and Digital products connectors:16pcs (optional)17,Laptop PC connectors: 15pcs (optional) Solar Portable All-Purpose Power Supply