ProTournament 150 Advanced High Fill Rate Mode will charge your batteries 2 to 3 times faster than leading traditional Chargers. Industry Leading Pro Grade 3-step Marine battery chargers. 100% waterproof and pre-wired for easy installation. 100% output / charging performance even at the dock or lodging site with AC line voltage as low as 90VAC. The ProTournament 150 will charge batteries to 100%, and out perform leading traditional chargers by distributing its full charging output to any one bank or combination of all banks as required by the demand of each battery. "Distributed On-Demand" charging ensures 100% of the charger"s output is always used. Gentle float mode for long and short-term storage and will not overcharge. Rugged low profile all aluminum housing provides superior cooling at half the height & weight of most chargers. Onboard Push-to-Test Battery Bank status monitor for150 and 300 models only, fused output cables, Tri-Mode LED, indicating charging cycle, Reverse polarity and ignition protection. U.L. 1236 and FCC Class B certifications. 12/24/36 volts, 15 amps, 3 banks.