The Eco Blue Solar Panel Backpack is a limited uncommon pet accessory in Adopt Me! that was introduced in the Eco Accessories Update on September 30, 2021. It can be found and purchased in the Hat Shop for 290.
The Eco Blue Solar Panel Backpack, as true to its name, features a blue solar panel with a reddish-brown backside. Red and blue wires can also be found on both sides. This pet accessory goes on a pet's back.