Backpack with USB Port 5W Solar Panel Backpack for Smartphones

Built-in 3500mAh battery on the back of the 5.3W solar panel. Based on previous test experiences and customer feedback, the solar charging power is influenced by the angle of the solar panel. On the go, the angle changes constantly, so we have developed charging the battery and using the battery as a buffer between the solar panel and the smartphones.
SunPack RFID Shielded Pouch keeps your personal information safe and secure.
Equipped with a password lock to prevent theft and keep your wallet and other items safe while travelling. For example, you don't have to worry about the zip pockets opening when you put on. At the same time, don't worry about losing the fixed lock, it is convenient and safe for you.
3 in 1: solar panel, power bank and bag are integrated in one gear, mains independent power supply for camping or emergency backup.