solar charger for iphoneParametersBattery type Lithium Ion Battery Capacity 2100mAHInput 4.5 5.5V 300-1000 mAhOutput 5V 500 1000mAhSize 113*66*21mmColour Black/WhiteWeight 66.5gQuiescent current below 50uA Charge time About 2.5-3 hourCustom engineered USB 2.0 cable provides high capacity charging and data exchangePowerup and sync with iTunes without removing iPod touch from case with the provided USB cableCompatible with standard USB charging portsOptimized power management system provides continuous charge to iPod touch internal batteryDurable, lightweight hard-shell construction with soft-touch grip side sectionsIntegrated 4 LED battery status indicatorBuilt-in Apple certified 30 pin connectorCompatibility iPod touch second generationCompatible with standard USB output 5V 1100mA