This is a Minn Kota MK 330D On-Board Battery Charger, an essential piece of equipment for any boater. Designed to keep your marine batteries charged and ready, this unit features a 3-bank system, with each bank delivering 10 amps for efficient and thorough charging. It's built for durability and reliable performance in marine environments.

The charger is in good used condition. It shows some minor cosmetic wear consistent with normal use, but all cables and connections appear intact and functional. This unit was removed from a working setup and is ready to be installed in your boat for dependable battery maintenance.