Charge your PowerCache 220 whenever and wherever you dont have access to an AC power outlet using this Solar Panel and the power of the sun. The PowerCache 220 features two charging ports, allowing you to connect one or two solar panels for charging. Simply unfold the solar panel, place it in bright sunlight, and plug it into the PowerCache 220 for easy, free, and green charging. Note that charging times vary with the amount and power of sunlight available for collection. Renewable Energy Portable Durable Power Renewable Energy: No need to burn fuels, no need to plug in, and no need to fatigue yourself using a manual hand-crank generator. Enjoy the benefits of using a free, green, renewable energy source - the sun! Portable: The light weight and foldable design ensures that you can easily take this solar panel with you on any of your outdoor excursions. Durable: The monocrystalline panel is not only a highly efficient solar power collector, it is lightweight and durable, making it perfect for the rigors of an active outdoor lifestyle. Power: This solar panel is capable of collecting and delivering 25 watts of power, depending on the amount and strength of the sunlight available for collection. Foldable Monocrystalline Panels Highly Efficient | Lightweight | Durable Usage Note: The amount of charging current depends on the strength of the sunlight on the panel and may at times be very low. When presented with a low charging current, some devices may display an error message indicating that Charging is not supported with this accessory. Compatible with the PowerCache 220 PowerCache 220 Solar Power Generator (P/N 15278) Warranty Monoprice not only stands behind every product we sell with a 1 year replacement warranty, we offer a 30-day money back guarantee as well! If the product you purchase does not satisfy your needs, send it back for a full refund. Quality at a Fair Price Monoprices rugged design and rigid quality control standards deliver high quality products at fair prices. Service Support Youre never on your own with Monoprice products! We have a full team of friendly and knowledgeable technicians available to answer your questions, both before and after the sale. Contact our technical support team for questions about our products, troubleshooting, or even suggestions for products to fit your particular needs. Not to be outdone, our friendly and helpful customer service team is here to make your ordering, delivery, and any possible returns a quick and painless operation, from start to finish!