Manufacturer
<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>
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$180.28
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The Pro Mariner 11133 is a heavy-duty battery isolator designed to manage charging for multiple battery banks from a single alternator source. This marine-grade isolator allows simultaneous charging of three separate battery banks while preventing discharge between batteries when the engine is off, ensuring your starting battery remains charged.
Key Features:
This isolator is ideal for vessels or vehicles requiring independent battery systems for house loads, electronics, and engine starting. The gold-plated connections ensure reliable, low-resistance contact for optimal performance and longevity in marine and mobile applications.
Smooth
Robert P
Super fast shipping, definitely gonna buy again
Teofilo R
The price was the best I found. It took way too long to finally ship (in my opinion) but FedEx got it here quickly so it worked out within my time frame. Overall, I would consider them again if the price is right and I'm not under time constraints
Matt
So far so good.
Harold K
Great service
Denise K
Did not like having to fill out all of my information in order to get a shipping price.
Kurt M
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