1. A Powerful solar battery charger that can easily attached to backpack. And carried easily with you during your travel.

2. Using a unique zipper bag design.

3. Extra pocket available on the bag for small items

4. Built-in powerful 4Watt / 250mA crystalline solar cell provide sufficient power

5. Charge up to 10 pcs of AA 1.2V / 1000mAh rechargeable batteries (not included in the quote)

6. Detachable battery pack with over discharge protection. Can be used together with built-in cigarette lighter socket to power 12V applications with cigarette lighter attachment