Grape Solar GS-300-KIT 300-Watt Off-Grid Solar Panel Kit Ideal for running small pumps and lights or charging your portable electronic devices 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 an additional panel with additional cables. 1,800-watt Grape Solar PUREPOWER inverter with two outlets and a USB port allows you to plug in small devices Battery not included, a minimum of one 12 Volt deep cycle battery is necessary to use this kit