- 21w rated solar panel for portable off-grid charging.
- Folding design for convenient storage and transportation.
- Usb solar charging for compatible devices and power banks.
- Suitable for outdoor recreation, travel and camping.
- Renewable solar energy charging where sunlight is available.
The DENSITY 21W USB Folding Solar Panel Kit is a portable solar charging accessory for compatible USB-powered devices and rechargeable power banks. Its folding design supports convenient transport and outdoor use. Rated solar output is 21W under suitable sunlight; actual charging performance varies with conditions and the connected device.