The Xtorm SolarBooster 21 is a powerful and portable 21W solar panel designed to charge your mobile devices using efficient SunPower® solar cells. Featuring a high-performance USB-C port, it delivers 3A 15W power for fast and convenient charging directly under sunlight.

The Xtorm SolarBooster 21 is a high-performance 21-watt solar panel that utilizes efficient SunPower® solar cells. This powerful panel is equipped with a high-performance USB-C port, delivering 3A 15W power, allowing you to charge your mobile devices directly under sunlight without the need for a separate charger.

Harnessing the latest SunPower® technology, the Xtorm SolarBooster achieves remarkable efficiency in a compact design. This means you get the same power output as larger photovoltaic panels, but in a smaller, more portable package.

Built to withstand the elements, the solar panels are sewn into a robust 600D nylon casing, ensuring exceptional durability. The panel folds neatly for easy transport and storage, secured by a strong magnetic lock.

For added convenience, the SolarBooster 21 features a loop on each corner, making it easy to hang virtually anywhere using the included spring hook. Whether you're camping, hiking, or simply enjoying a day outdoors, you can easily position the panel for optimal sunlight exposure.

Beyond charging your mobile devices, the Xtorm SolarBooster 21 is also compatible with all Xtorm chargers, providing a versatile power solution for your electronic needs. Stay charged and connected wherever your adventures take you with the reliable and efficient Xtorm SolarBooster 21.

With its compact size, weighing only 425g and measuring 63 x 31 x 1 cm when unfolded and 31 x 15.5 x 3.5 cm when folded, the Xtorm SolarBooster 21 is the perfect companion for all your outdoor activities. Enjoy the freedom of solar charging and never worry about running out of power again!

• Designed for mobile devices


• USB-A 12 W


• USB-C 15 W


• Easy to use


• 21 W


• Foldable design


• SunPower® solar cells


• Durable 600D nylon casing


• Magnetic lock


• Hanging loops with spring hook