Warner’s Dock Inc. stocks and installs Interstate Batteries. We offer marine cranking and deep cycle batteries. You can choose from Flooded Cell or AGM Batteries. We can help you determine what battery will work the best in your application. We also carry a full line of battery trays, boxes and straps, terminal covers, shut-off switches, circuit breakers and jumper wires for 24 volt and 36 volt trolling motors systems, on-board battery chargers and a whole lot more! Got a charged battery that needs a load test? We can do that too. Got a bad battery? We’ll take it off your hands-free of charge. Whatever your marine battery needs, Warner’s Dock is your outlet.