Suaoki 25W Solar Charger Portable Foldable Solar Panel Sunpower Mono-Crystalline Universal Phone Charger with 2-Port USB Ports, TIR-C Technology for All USB Device Suaoki Smart Charging TIR-C Technology: built-in IC for each USB port enables the charger to automatically recognize your devices current and adjust output to speed up the charging process (up to 2.1A max per port or 4.0 A max overall under direct sunlight) High Conversion Efficiency: 25W SUNPOWER mono-crystalline solar panel increases conversion efficiency up to 25%, providing enough power to charge 2 devices simultaneously Ultra Portable for Off-the-Grid Life: Quadruple fold design (10.4  6.3 / 265 x 160mm folded) and lightweight (1.65lbs / 749g) make it ideal for camping, traveling and 4 carabiner hooks allow easy attachment to backpacks, trees or tents Water-Resistant Layer for the Solar Panel: you can charge your devices and enjoy the sunlight near the swimming pool or at the beach without the fear of getting your devices wet Package & Warranty: 25W Foldable Dual-Port Solar Charger, Micro USB Cable, 4 Hooks, User Manual, 18-month warranty and friendly customer service Charging port output: USB5V 4A Max Opened size: 28 x 10.2 in. /713 x 260mm Closed size: 10.2 x 6.3 x 0.7 in. / 260 x 160 x 18 mm Weight: 749g 1 x 25W Foldable Dual-Port Solar Charger 1 x Micro USB Cable 4 x Hooks 1 x User Manual