Features： 1、Good Features: 40W portabel solar panel has high conversion efficiency, good output efficiency, low light efficiency, light weight, convenient carrying, and strong applicability. 2、Application Scenario: 40W folding solar panel has a wide range of uses, making them ideal for camping, hiking, backpacking, horseback riding, fishing, or other outdoor activities. 3、Foldable Design: Using advanced production technology, the 40W solar panel charger has a foldable design that can be used anywhere. 4、Monocrystalline Silicon Material: The portable foldable solar panel is made of monocrystalline silicon, which is durable and has a long service life. 5、1 USB Interface: With a USB charging port, the 40W portabel foldable solar panelcan charge the device, providing you great using experience. Specification： Item Type: Solar Panel Folding Bag Material: Monocrystalline Silicon Weight: Approx. 220g / 7.8oz Power: 40W Interface: 1 USB Interface Folding Size: Approx. 19x9cm / 7.5x3.5in Unfolded Size: Approx. 43x19cm / 16.9x7.5in Package List： 1 x Solar Panel Folding Bag 2 x Carabiner