... Product SpecificationSolar Panel(mono or multi-crystalline): 5.5V/110mALi-ion rechargeable Battery: 3.7V/2,000mAhMicro USB input: 5V/1AOutput ... 10.8mmWeight: 114gColor: white/blackProduct FeaturesStainless and acryl surface2,000mAh Li-ion battery, can fully charge iPhone, iPad 25%Extra-efficient solar ...