minn-kota-batt-charger-mk330d-3-bank-10aMinn Kota On Board Marine Chargers are engineered with a microprocessor based design to protect batteries, charge faster, and help extend battery life. By monitoring factors like temperature and state of charge, they deliver a faster, more precise charge. Multi stage charging regulates the proper amount of charge at the proper time and automatic shut off extends the life of the battery by shutting down when charging is complete. This series of on