1. Carefully selected high efficiency mono solar cell solar cells for reliable performance.
2. 22% High Conversion Efficiency solar panel enables to produce electricity in low-lux outdoor environment(>40000 Lux)
3. The pouch that holds the plates is made with quality polyester fabric, hand-sewed together and comes with an extra compartment to store your cell phone
4. Prevent against reverse charging http://www.solarsufu.com