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

Manufacturer

Pro Mariner

<h3>Pioneering Marine Power Solutions for Over Four Decades</h3><p>Pro Mariner was founded over 40 years ago with one mission: to make boating more enjoyable by pioneering fully automatic, on-board marine battery chargers. Today, Pro Mariner is the industry leader in marine and mobile battery charging, trusted by recreational boaters, tournament anglers, and professional marine operators worldwide. Now part of Navico Group, the brand continues to innovate advanced power management solutions that keep vessels energized and ready for adventure.</p><h3>Comprehensive Marine Electrical Solutions</h3><p>At the heart of Pro Mariner's product lineup are their <a href="/7504-pro-mariner-battery-chargers-200141">battery chargers</a>, which range from compact waterproof models to sophisticated multi-bank systems with digital controls. Pro Mariner chargers can sense increased demand from auxiliary batteries and divert up to 100% of available power to that battery, while being fully temperature controlled and microprocessor controlled to prevent overcharging. These chargers are specialized for all marine battery chemistries including flooded, AGM, gel, and lithium (LiFePO4), using digital multi-stage charging technology that ensures efficiency and longer battery life.</p><p>Beyond charging, Pro Mariner offers critical electrical components including <a href="/7504-pro-mariner-inverters-200588">inverters</a> that deliver pure sine wave AC power for sensitive electronics and high-demand appliances. The ProMariner True Power Inverter Chargers can switch near instantaneously to backup power when AC power is interrupted, making them ideal for backup systems running sensitive equipment like computers and printers. The brand's <a href="/7504-pro-mariner-battery-isolators-voltage-sensitive-relays-200144">battery isolators and voltage sensitive relays</a> ensure proper power distribution across multiple battery banks, while their <a href="/7504-pro-mariner-galvanic-isolators-200465">galvanic isolators</a> protect against corrosion caused by stray electrical currents in marina environments.</p><h3>Built for the Marine Environment</h3><p>Pro Mariner products feature IP-rated waterproof construction, corrosion-resistant components, and robust design engineered specifically for harsh marine environments. The ProSport and ProNautic series exemplify this commitment, offering distributed on-demand charging technology that intelligently allocates power where it's needed most. Pro Mariner won the 2010 IBEX Innovation Award, recognition that underscores their position at the forefront of marine electrical innovation.</p><h3>Why Marine Professionals Choose Pro Mariner</h3><p>Whether you're maintaining a fishing boat's trolling motor batteries, powering a yacht's house bank, or managing electrical systems on a commercial vessel, Pro Mariner delivers reliable performance. Professional boat operators worldwide trust their ProNautic battery chargers to keep devices operating. The brand's products are designed for straightforward installation and automatic operation, allowing boaters to focus on what matters most—enjoying time on the water. From their <a href="/7504-pro-mariner-hvac-cut-off-switch-4209">HVAC cut-off switches</a> that protect climate control systems to their comprehensive charging solutions, Pro Mariner provides the complete electrical toolkit for modern marine applications.</p>

Part Number

44028
06/21/2036 3:43 PM
Sale Price

$311.59

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

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.

Products specifications

Amps/Bank

20 / 2

Size

7.9" x 13.6" x 2.9"

Voltage

100-240VAC

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