Just hang it on your backpack and the polycrystalline silicon solar panel will effectively convert the sun power to electric energy, so you can charge your phone, tablet and device with USB port(5V) during camping, backpacking and hiking, which is environmental friendly and convenient.

Package Included: 1 x Solar Charger

Feature: FAST CHARGING: 21W solar panel with more than 18.5% conversion efficiency and output peak current is 3500mAh totally for dual USB port. SMART TECHNOLOGY: Built-in intelligence chip can identify different device and change the input current according to your device. MOST COMPATIBLE: For almost devices like phone, tablet and so on devices with USB port. WATERPROOF: PET polymer surface and outer PVC wrap can protect solar panel unexpected rainy or fog, just do not put it in water. HIGHLY PORTABLE: Hang it on your backpack and make full use of solar energy to charge during trips, and folded it to fit in your backpack for convenient carry.

Specification: Material: PET solar panel + PVC
Conversion efficiency: =18.5% Power: 21W Output voltage: 5V?.2V Output current: 3500mA (peak current) Output port: Dual USB Unfold size: 65 * 29cm Fold size: 29 * 17cm Weight: 697g

SHIPPING NOTICE: Important to choose the correct delivery options otherwise our system will prevent the trade from completing. -Choosing the option RURAL or URBAN correctly -Bulk buying the same product: Pay the normal delivery fee for one + additional delivery fees for all other goods. -Bulk buying different products: Pay the normal delivery fee that is higher and the higher additional delivery fee for all other goods.