Abstract: A bag, such as a backpack, comprises a battery internal to the bag, a solar panel assembly affixed to the front exterior of the bag, and a universal connecting system wire. The solar panel assembly includes a solar panel. The solar panel charges the battery and also provide power to an electronic device. The universal connecting system wire connects the battery to the electronic device. The solar panel assembly protects the solar panel from damage. Wire routing channels are provided for routing the universal connecting system wire from the battery to the electronic device. The battery may be charged from an external source.