Harness the suns energy & charge your gadgets anywhere with the BlitzWolf? Solar Charger.Powerfull SunPower Panel The transformation effeciency of SunPower is up to 21.5%-23.5%， most other similar products on the market are 15% or less.Dual Port Power3S Technology:Smartly identifies your connected device and provides the fastest and safest charging current for up to two devices.Automatic RestartIf the Sun fades and there is not enough light to charge your device， the BlitzWolf? Solar Charger will automatically resart charging when the sunlight becomes strong enough. Perfect for multiday day charging or on a cloudy day.18-month WarrantyWe're so confident in the quality of our products， we back them all with an 18-month warranty.Specifications: Total maximum Output: 5V /3A Power: 18WPanel Type: SunPowerWeight: 550gPackage Includes:1 X 18W BlitzWolf? Solar Charger1 X User Manual1 X Warranty Card