RechargeableFast ChargingDual USBWaterproofPortable Your best choice Note: Please charge the solar panel before charging your phone Description -Renewable Power Source Anywhere Anytime Tired of packing bags of batteries in your backpack? Bored with the heavy external battery requiring charging in advance? Simply unfold Suaoki's lightweight solar panel charger and enjoy clean and unlimited charging experience straight from the sunlight -Charge Fast Charge Smartly Intelligent chip inside will automatically detect fastest possible charge currency for your device and monocrystalline solar panel will offer up to 25% high conversion efficiency to achieve high speed charging Whats more you could charge two phones at the same time via dual USB port -Take it Wherever You Go Ultra-portable and convenient the quad-fold design is perfect for outdoor activity e g hiking traveling etc Evenly placed eyeholes and mounting loops attach easily to your backpack In addition the industrial grade PET panels are bound by heavy-duty polyester canvas making this solar charger water-resistant Features 1 Suaoki TIR-C Technology: Build-in smart IC in each USB port the charger can automatically and quickly identify the current of your equipment and speed up the charge process 2 High Energy Conversion Efficiency: 20 watt mono-crystalline solar panel increases conversion efficiency up to 25% which is much higher than common solar panel charger (15%) 3 Dual USB Output: Suaoki provide enough power to charge two devices at the same time when you run into embarrassing power outage moments 4 Waterproof Cover:the USB pocket and the solar panel are coverd with heavy-duty polyester canvas you can now charge your devices and enjoy the sunlight near the swimming pool or at the beach without any concerns Specifications: Charging port output:DC 5V 4A Max Size20x8x28cm Weight:504g Package Contents: - 1 x Dual-Port Solar Charger -1 x snap joint