ProMariner ProSport 6 Gen 3 6 AMP 1 Bank HD Charger (33274) The 12V, 6 Amp, 1 battery bank ProSport 6 waterproof battery charger delivers fast efficient charging in a lightweight design Distributed on Demand Technology utilizes 100% of the available charging amps and automatically distributes charge amongst all the batteries as needed . The result is faster, more efficient charging Advanced technology eliminates time consuming troubleshooting by clearly indicating system and battery connections are OK or if a fault is present on a specific battery bank During short or long-term storage, ProSport automatically reconditions all batteries on board once a month for maximum battery life and performance Compact and rugged extruded aluminum design, dual in-line DC safety fuses for trolling motor and house battery banks. Built-in over-voltage, overload, over-temperature, reverse polarity and ignition protection