Spec   
Solar panel: Peark power supplied by photocell:1.54W   
Operating voltage: 5.5V(max)   
Charging current: 280MA   
Output voltage: 4.5V-9V(adjustable)   
Output current: 1A(max)   
Charging time: 8-10 hrs(irradiance:100mw/c㎡)3-4hrs(wall outlet5V/800MA)   
Dimensions: 137mm×79mm×24mm   
Input interface: DC interface   
Ouput interface: USB interface   
LED Light(for lighting)   
LED  light display: Red,Orange,Green,different color shows different capacities   
Control switch:LED/OFF/ON   
Battery capacity: 2800MAH(max)