21W Foldable Sun Power Charger Waterproof Sun Power Panel Charge Dual USB Ports Portable Power Source for Cell Phone Tablet PC Bank Power

Just hang it on your backpack and the polycrystalline silicon 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. Feature: FAST CHARGING: 21W sun power 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 sun power energy to charge during trips, and folded it to fit in your backpack for convenient carry. Specification: Material: PET sun power panel + PVC Conversion efficiency: ≥18.5% Power: 21W Output voltage: 5V±0.2V Output current: 3500mA (peak current) Output port: Dual USB Unfold size: 65 * 29cm / 25.5 * 11.4in Fold size: 29 * 17cm / 11.4 * 6.6in Weight: 697g / 1.5lb Package weight: 806g / 1.7lb Package List: 1 * Sun Power Charger

• FAST CHARGING: 21W sun power 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 sun power energy to charge during trips, and folded it to fit in your backpack for convenient carry.