1Package Includes: Solar panel kit includes 250W solar panel, 10A 12V/24V solar charger controller, with alligator clips and cigarette lighter harness for battery charging, easy to fix and install. 2Wide Application: Suitable for various off grid applications using 12V batteries, such as sheds, cabins, door openers, etc., as well as charging Agm, flooded, gel, deep cycle, etc. batteries in cars, suitable for RVs, boats, trailers, campers, pumps, etc. 3Multiple Protection: Equipped with 10A solar charger controller, it can prevent battery overcharge, overvoltage, discharge and short circuit, reverse polarity protection, fully protect the battery. 4High Energy Conversion: Solar panels can effectively absorb the radiant heat of solar energy and greatly improve the photoelectric conversion efficiency, energy saving and environmental protection. 5Waterproof and Portable: The solar panel size is 540x280x2mm, light weight and easy to carry. Made of waterproof durable materials, the panels are fully waterproof and designed for long term use.