Promariner Prosport 12 Gen 3 Marine Battery Charger Brand New Product # 43012 The Promariner Prosport 12 Gen 3 Marine Battery Charger from Heavy Duty Recreational Series incorporates all-digital microprocessor control. The ProSport Series provides automatic installation feedback with its exclusive System Check OK and individual Battery Bank Trouble LED indicators, and also has the most advanced energy saving mode. After fully charging and conditioning batteries, ProSport's Energy Saver Mode will monitor and Auto Maintain batteries only when needed to maintain a full state of charge, resulting in maximum reserve power performance and lower AC power consumption and operating costs. Prosport 12 Gen 3 Marine Battery Charger Features On-board Battery Charger Heavy Duty Recreational Series ProMar Digital Technology System OK Battery Bank Trouble Status Indicators Digital Multi-Stage Performance Charging Storage Recondition Mode Digital LED Display Battery Type Selector Distributed-On-Demand Technology Automatically Charges Maintains Engine Crank Battery Waterproof Shockproof Built-In Quality Safety Overload Over Temperature High Low Battery Voltage Protection Pre-Wired For Easy Installation