Introducing the Battery Tender 5 AMP Selectable 12V / 24V Battery Charger and Maintainer, the ultimate solution for keeping your boat or watercraft battery charged and ready to go. With a switchable 5 AMP / 2.5 AMP onboard marine design, this charger is perfect for all your marine needs. Built to withstand the elements, this screw mountable heavy-duty weather-resistant charger is your answer to long-lasting battery life. Get yours today and never worry about a dead battery again! Model 022-0258-DL-WH. Features: EASY TO USE: The versatile charger and maintainer for heavy duty industrial machinery features a low maintenance design and is equipped with integrated mounting capabilities for easy installation;Integrated Mounting Capabilities STAY CHARGED: This ultra tough industrial charger provides a full charge to your machine's battery before switching to float mode to maintain proper voltage levels without overcharging the battery; Ultra Performance for most batteries SAFE AND SECURE: Our battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct, locked-in connection before providing power; Charges Maintains Industrial, Automotive, and Marine Batteries at Optimal Charge STAY CHARGED: This ultra tough industrial charger provides a full charge to your machine's battery before switching to float mode to maintain proper voltage levels without overcharging the battery; Ultra Performance for most batteries Package Includes 1 x Battery Charger/ Maintainer 1 x User Manual Listing and template services provided by inkFrog