CTEK CS FREE Portable Solar Charging Kit - 12VThe CTEK CS FREE SOLAR PANEL CHARGE KIT lets you recharge your CS FREEs internal battery using just solar power. You can also use it to power the CS FREE without connecting to a power outlet, so you can charge and maintain your vehicle battery wherever you are. Solar power for your CS FREE so you can use it anywhere you go The CTEK CS FREE SOLAR PANEL CHARGE KIT pairs perfectly with the CS FREE. It delivers fast, reliable solar power so you can