Polycrystalline Silicon take high efficiency around 15%~17%
Foldable and portable design make easy to take and use. Put the solar panel in the sunlight directly and connect to the sock. The indicator light of laptop will be red when in use.

Specification     　
 Open size: 480*460 mm
 Fold size: 220*150*25 mm
 Solar Panel Power: 20W
 Output：18V/1.2A
 Solar panel:  polycrystalline silicon
 Charging time: about 3 to 4 hours depends on laptops
   This Model can be use separately or together with power supply for laptop and digital products