Pro Mariner 44028 ProSportHD 20 Global Gen 4 20 Amp 2 Bank Marine Battery Charger

The Pro Mariner ProSportHD 20 Global Gen 4 is a waterproof, on-board marine battery charger designed for demanding marine and RV environments. This Generation 4 model features an advanced tri-surface heatsink design that delivers significantly faster charging through optimal cooling while maintaining true rated 20-amp output during charge mode. The heavy-duty yet lightweight construction makes installation easier without sacrificing durability.

Advanced Charging Technology:

• Fully automatic 5-stage charging process enhances battery performance and extends battery life
• Enhanced microprocessor and software provide precise digital charging control
• Distributed-On-Demand technology delivers 100% of available charging amps to batteries as needed
• Three digitally selectable charge profiles for Flooded (lead acid), AGM, and GEL batteries
• HP AGM profile included on ProSportHD 20 Dual models
• Auto-Maintain Energy Saver Mode monitors and maintains batteries only when needed

Smart Display and Diagnostics:

• Fuel gauge style Charge Completion Monitor shows charging status at a glance
• Four-color multi-stage mode LED status bar
• System Check OK indicator confirms proper installation
• Individual Battery Status and Fault indicators for each bank
• Battery Type indication on display

Built-in Safety Features:

• Dual inline waterproof fuses for added protection
• Reverse polarity, over-temperature, over-current, and over-voltage protection
• Ignition protection for safe operation
• Certified to Marine UL 1236, CEC and DOE listed, FCC Class B compliant

Easy Installation:

• Pre-wired with 6-foot AC and DC cables
• Industrial grade jacketed cables with molded strain reliefs and wire splitters
• Global input accepts 100-240V AC, 50/60Hz (requires C13 adapter plug for international use)
• Compact dimensions: 7.9" x 13.6" x 2.9"
• Lightweight at only 8.2 lbs

Compatible with Group 24-31 Flooded, AGM, HP AGM, and GEL batteries with capacity range of 75-135 amp hours per bank. Features two 12V outputs for charging two independent 12V battery banks or one 24V bank. Backed by a 3-year limited warranty.