21W Lightweight Portable Solar Charger, Waterproof Foldable Solar Panel with 2 USB Port, to Fast Charge Smartphones and Tablets, for Hiking Backpacking Camping Compatible

Portable solar panel is made of Monocrystalline silicon. lightweight but durable, allows you to take it along in any circumstance.Water-resistant and withstand high temperatures. Specification Name:portable solar panel Size:11.4"× 6.7"× 1.2" Weight:about 0.6kg Material:Monocrystalline silicon+cloth Package include portable solar panel *1 Note: 1. During the working period, the temperature of the solar panel will rise, which is a normal phenomenon. 2. Insufficient sunlight may result in inability to charge and discharge at the same time, and the current generated under low light conditions is small, so it is not recommended to use it on cloudy days. The charging efficiency will be reduced by 75% when used on cloudy days, which is not a product quality problem. 3. Do not bend, handle with care to prevent collision with the solar panel.

• 【Charging principle】This portable solar panel only charges your device when exposed to sunlight, it has no internal battery to store energy for later. This folding solar charger takes pure solar energy and converts it to a current so you can charge your phone without a power source.
• 【Foldable】When you want to hiking or camping, you can take the 21W foldable solar panel. The solar charger with two hooks easily be attached to your backpack or travel bags.
• 【Portable】Compact size (11.4× 6.7× 1.2in folded) and lightweight (0.88lbs) design make the portable solar panel bag ideal for hiking, camping, fishing or other outdoor activities. It can be easily attached to backpacks, trees or tents with two metal hook holes.
• 【Waterproof】 The solar panel uses waterproof materials to avoid damage to the solar panel by raindrop. You don't need to worry about terrible cleaning, the smooth surface is easy to clean. USB port is not waterproof, please keep them dry.
• 【Wide Compatibility】 Solar panel charger using high quality USB junction box, 5V/2A output, voltage stabilization and current stabilization. It is compatible with most mobile phone,and other 5V devices. Solar panel can provides power for 2 USB devices at same time. Notice: Please keep the USB port dry.