AMPL smart backpack is first of its kind portable charger backpack with the portable charging solution integrated directly into the fabric of the bag.
The bag itself is extremely durable with shock absorbers at the bottom and an extra layer of foam around the bag and is also water resistant. The bag is designed and made by experts in the respective fields.
AMPL backpacks have three custom made batteries, two of which are of 15000mAh and a smaller one of 6000mAh. These batteries are detachable from the bag and can be used separately. When attached to the bag, the battery levels, connected devices etc can be monitored either on touch sensors and an OLED display on the backpack or through a mobile app.
It also has various other features such as multiple USB slots to connect multiple devices and alerts if ever you lose your backpack.
Source : ampl.wpengine