Allows you to have full charging for your battery, without continuously switching out batteries. Includes : one solar panel 10w , one battery, the wiring and a battery and solar panel support bracket. NOTE: ALL BOAT LIFT ACCESSORIES ARE AVAILABLE THROUGH OUR LOCAL 'FENDOCK' DEALERS. IF YOU NEED ASSISTANCE FINDING A DEALER PLEASE CALL US AT 1-888-336-3625 OR 613-722-6581