Grape Solar GS-100-KIT 100-Watt Off-Grid Solar Panel Kit Ideal for DC applications Grape Solar GS-STAR-100W polycrystalline panel features a two diode junction box for enhanced performance 35 Amp Xantrex charge controller allows you to add up to 3 three more panels with additional cables. Kit comes with all cables and connectors for quick and easy set-up Battery not included, a minimum of one 12 Volt deep cycle battery is necessary to use this kit