鈪? Description
The removable large size 30W camouflage solar hiking backpack can achieve emergency charging, it has three folds which is more efficient than single solar panel attached in the backpacks. You can enjoy the free and unlimited power source and no need to worry about the lack of durable power!
After testing, the charging speed is much faster than other solar charging products on the market, it`s about 3 hours to fill a 3000mAh mobile phone battery. http://www.tongsolar.com/outdo....or-solar-products/so