Features: 1.Wide Compatibility: The perfect portable solar panel kit is suitable for various off grid applications using 12V batteries, such as sheds, cabins, gate opener, etc. 2.Multipurpose: Solar panel kit can also charge and maintain AGM, flooded, gel, deep cycle and sealed batteries in cars, suitable for RVs, boats, marines, trailers, campers, pumps, etc. 3.Dual USB: The solar controller kit has dual USB ports, you can easily charge the device through the USB charging cable (not included), you can charge two devices at the same time. 4.Powerful Protection: The solar kit is equipped with a 10A controller to prevent battery overcharge, overvoltage, discharge and short circuit, reverse polarity protection, the battery is fully protected. 5.Package Contents: The package includes 30W solar panel, 10A controller, 220W inverter, battery clip, 4 suction cups and cigarette lighter harness for battery charging. Specification: Item Type: Solar Panel Kit Material: Metal + ABS + Polysilicon PET Power: Solar Panel 30W, Inverter 220W Controller Voltage: 12V, 24V Current: 10A Solar Panel Size: Approx. 435 x 200 x 2mm / 17.13 x 7.87 x 0.08in Application Scenarios: Designed for charging 12 volt batteries in car, RVs, cabins, boats, marines, shed, cabin, gate opener, battery operated gates, dry camping, garden watering, work great for back up power and remote power use.