Solar panel:21W (Sunpower solar cell)
Folding Number:3pcs
Transformation Efficiency:>22%
Output voltage:5V Dual USB
Output current:3.5A Max
Material:600D polyester
Open Size:700×290×16mm
Folding Size:290×170×30mm
Color:Black

Feature:
1. Easy to Use
Unfold the device and expose the 21 watt solar panels in the sun and insert your devices into the USB port,
allows up to two devices to charge at the same time, the charging time depends on the quality and intensity of the sunlight.
2. IOS Auto restart
Whenever it lost contact with direct sunlight, it will temporarily stops and start again automatically as soon as intercepts the sunrays.
No built-in lithium battery
3. Eco-friendly and no worries for any problems caused by the high temperature.

Package include:
1x Solar Panel Charger