Marinco 44021 ProSportHD 20 Plus 3-Bank Marine Battery Charger 20 Amp

The ProSportHD 20 Plus Generation 4 is a professional-grade 3-bank marine battery charger delivering 20 amps of intelligent charging power for 12V, 24V, and 36V battery systems. This waterproof charger features an advanced tri-surface heatsink design that provides optimal cooling while maintaining true rated constant current output during charging cycles.

Key Features:

• 20-amp output with 3 independent 12V charging banks
• Distributed-On-Demand technology distributes all available charging amps to batteries as needed
• Compatible with Group 24-31 Flooded, AGM, GEL, and approved LiFePO4 batteries (75-135 AH range)
• Fully automatic 5-stage charging: analyzes, charges, conditions, auto-maintains, and reconditions
• Enhanced microprocessor with LED fuel gauge style charge completion monitor
• Three digitally selectable charge profiles for different battery types
• Heavy-duty waterproof construction certified to Marine UL 1236
• Up to 40% lighter than epoxy-filled chargers
• Industrial-grade jacketed AC and DC cables with molded strain reliefs

Built-in safety features include dual inline waterproof fuses, reverse polarity protection, over-temperature protection, over-current protection, over-voltage protection, and ignition protection. The expanded LED display provides real-time charge status, mode indicators, system check confirmation, and individual battery fault indicators. Energy-efficient auto-maintain mode reduces AC power consumption by monitoring and maintaining batteries only when needed. Accepts 110-120V 60Hz AC power and includes pre-wired 6-foot AC and DC cables for easy installation. CEC and DOE listed for energy efficiency compliance.