Hangzhou Yiyuan Tech. Co.,Ltd.
The solar charge backpack is a third-generation upgrade product with a conversion rate of 24%. It is environmental and u can pass security easily. Built-in hidden voltage regulator can protect electronic products well. Backpack is made of high quality waterproof fabric, solar panels can still work under the water. We have seven appearance patents, including two utility model patents and five appearance patents. With twenty years of experience in luggage production, we can get the market.