• ERGONOMIC: Solar Power Backpack back with thickened high elasticity breathable sandwich, S shaped back pad design in line with ergonomics, easy to reduce the pressure of the load.
• HIGH CONVERSION RATE: Solar powered backpack adopts third generation solar panel, with a photoelectric conversion efficiency of 23%‑25%, more than 60% higher than ordinary solar panels.
• WATERPROOF: Backpack with Solar Panel adopts PVC coated fabric and zipper to improve performance. In line with the green concept, there is light and there is power.
• EASY TO USE: Solar Backpack Charger for Laptops has multiple internal compartments for one key storage, more convenient for travel. Designed with USB interface, sound interface, more convenient to listen to songs and .
• INTELLIGENT CIRCUIT : Backpack Solar Panel Charger has 9 intelligent circuit , overcharge , over voltage , over current , over power , short circuit , temperature , overload , reverse discharge , static .