Marinco 44020 ProSport HD 20 Amp 2-Bank Marine Battery Charger

The ProMariner ProSport HD 20 (Model 44020) is a waterproof 2-bank, 20-amp marine battery charger featuring Generation 4 technology with an advanced tri-surface heatsink design. This heavy-duty yet lightweight charger delivers faster charging through optimal cooling while maintaining true rated constant current output during charge mode.

Key Features:

• Distributed-On-Demand Charging: Intelligent technology distributes the full 20-amp capacity to any combination of batteries as needed, ensuring 100% utilization of available charging amps
• 5-Stage Automatic Charging: Analyzes, charges, conditions, auto-maintains, and reconditions batteries monthly during storage periods for extended battery life
• Advanced Digital Display: LED fuel gauge style charge completion monitor, four-color multi-stage mode LED status bar, and individual battery status indicators
• Multiple Battery Type Support: Three digitally selectable charge profiles for Flooded (lead acid), AGM, and Gel batteries for Group 24-31 batteries (75-135 AH range)
• Marine-Grade Construction: Waterproof and shockproof design with industrial-grade jacketed DC and AC power cables featuring molded strain reliefs
• Comprehensive Protection: Dual inline waterproof fuses, reverse polarity, over-temperature, over-current, over-voltage, and ignition protection
• Energy Efficient: Auto-maintain mode monitors and maintains batteries only when needed, significantly reducing AC power consumption

The ProSport HD 20 is designed for harsh marine environments and is UL Marine 1236 Certified, meeting DOE and CEC energy efficiency standards. Compatible with 12V/24V systems, it can charge two separate 12V battery banks or one 24V bank. Includes pre-wired 6-foot fused DC charging cables and 6-foot AC cord with 3-prong plug. Up to 40% lighter than epoxy-filled chargers. Not recommended for 4D or 8D group size batteries.