hot selling Solar Charger for iphone 1.Solar panel :0.7W(monocrystalline silicon) 2.3.7v/4.2v/5.5v/9v hot selling Solar Charger for iphone1.Solar panel :0.7W(monocrystalline silicon) 2.output:3.7v/4.2/5.5V/9VSpecification1.Solar panel :0.7W(monocrystalline silicon) 2.output:3.7v/4.2 v /5.5V/9v(max);3.Batter:1900mAh;4. Charging time for the Lithium polymer battery inside using USB charging cable: ...