Why Choose ALLPOWERS Solar Charger?Sunpower solar charger has high efficiency conversion rate, so it can capture more sunlight than conventional solar panels, do not need much sunlight to charge items. The transformation effeciency is up to 23%-25%, while most of the similar products on the market is 15% or even lower .
21W Portable Solar Panel Charger Waterproof Foldable Solar Panel with USB Port Compatible with iPad Outdoor Fast charging: This solar charger made of 3pcs solar panels, max power is 25W. The USB connector can output 2A current for charging 5V digital product. Safety with No Battery Inside: Non-battery inside. It can withstand high temperature, It doesn’t explode or burn. Wide Compatibility: The solar panel chargers have a high-tech chipset inside; it can be perfectly compatible withalmostanysmartdevicewith5VUSBinput,suchassmartphones(iphone,samsung,blackberry…),5Vtablets,ipad,PSP,Bluetoothspeakers&headphones,GoogleGlass,ipoddigitalproducts,etc. Safe Protection: Over-current/over-charge/over-discharge/short-circuit protection. High effective solar panels: The solar chargers using Class A solar panels, the effective more than 17.8%. The solar panels have a long service life and no easy to broken. Slim Portable design: The solar chargers are made of waterproof cloth, small in size and light in weight,Portable and frame design fits for outdoor and indoor use. easy to use.