Pro Mariner Battery Chargers
Pro Mariner Battery Chargers: Purpose-Built for the Marine Environment
When it comes to keeping your boat powered and ready, few names carry more authority than Pro Mariner. Battery chargers are the cornerstone of the brand — and for good reason. Pro Mariner has spent over 40 years pioneering fully automatic, onboard marine battery charging, building a reputation that spans recreational anglers, tournament competitors, and bluewater cruisers alike.
What sets Pro Mariner apart from generic chargers is the engineering depth behind every product line. The brand's proprietary Distributed-On-Demand® technology automatically senses which battery bank needs power most and directs 100% of available charging amps there — so no amp goes to waste and no bank is left undercharged. Combined with multi-stage digital charging algorithms, Pro Mariner chargers don't just top off a battery; they analyze, charge, condition, auto-maintain, and even run a monthly storage reconditioning cycle to maximize long-term battery health.
Pro Mariner's Core Battery Charger Product Lines
Pro Mariner structures its charger lineup to match the full range of boating applications — from a simple single-bank weekend boat to a five-battery tournament rig:
- ProSport Heavy Duty Series: The go-to recreational waterproof charger. These onboard units support 12V, 24V, and 36V systems and are compatible with LiFePO4 lithium, AGM, GEL, and flooded batteries. Advanced cooling features facilitate faster charging across single-, dual-, and three-bank configurations.
- ProTournament Elite 3 Series: Pro Mariner's premier, professional-grade line — built for time-critical charging. Models power 12V, 24V, 36V, and 48V systems and are compatible with LiFePO4, AGM, HP AGM, and flooded chemistries. The flagship five-bank 50-amp model can charge up to five batteries in just four to eight hours, while an industry-first LED AC Glow Plug illuminates three colors to display charging, conditioning, or maintenance status at a glance.
- ProNautic Professional Series: High-performance dry-mount chargers designed for sailing, cruising, and sportfishing vessels. The ProNautic line uses a digital performance platform with software-based power conversion technology and global auto-ranging AC input (100–260V / 50–60Hz), making these chargers equally at home in a domestic slip or a foreign marina.
- ProMar Digital Series: Waterproof, industrial-grade onboard chargers engineered for harsh outdoor environments, supporting 12V, 24V, and 36V systems with compatibility for GEL and flooded lead-acid batteries.
What to Consider When Choosing a Pro Mariner Charger
Selecting the right charger comes down to three key factors: the number of battery banks on your vessel, the total amp-hour capacity of those banks, and the battery chemistry you run. A common rule of thumb is to size your charger at roughly 10% of the battery bank's amp-hour rating. Pro Mariner's lineup covers virtually every combination — from a compact single-bank 6-amp unit all the way up to a 60-amp three-bank powerhouse — so there's a purpose-matched solution regardless of your setup. All models carry built-in safety protections including reverse polarity, over-temperature, over-voltage, and ignition protection, and are certified to UL Marine 1236 standards.
Whether you're rigging a bass boat for tournament season or keeping a cruiser's house bank topped off at the dock, Pro Mariner battery chargers deliver the intelligence, durability, and chemistry compatibility that serious boaters depend on.