It goes directly into a large-capacity waterproof emergency power bank/backup battery pack that’s rated at 10,000mAh. All the absorbed solar energy is automatically converted and is safely stored for later use.
It can store energy for use at night, so you don’t need to worry your devices running out of power once the sun goes down.
The removable and compact size solar panel charger is designed for portability – just hang it on the backpack when outdoors. Convenient clips make securing the solar panels to the backpack a snap.
The backpack is perfect for day-to-day use or occasional travel. Adjustable breathable straps make it easy and comfortable to carry for all day use.
This backpack has a roomy main compartment, with enough space to store other accessories like laptop/notebook, iPad, books, gadgets, keys; ideal for hiking, travelling and all outdoor activities.
Please plug cable out and connect your device with solar charger when your device shows the device not support or stop charging.