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ProMariner Gen 3 Pro Sport 20 Triple Marine Battery Charger – 12/24/36V, 20Amp
An extruded aluminum heatsink casing lets the 2.72 kg ProMariner ProSport 20 Triple waterproof marine battery charger deliver 20A across three banks on bass boats with 12V, 24V, or 36V setups.
- Three banks distribute 20A current.
- IP67 waterproof casing stops moisture.
- Automatic thermal sensing adjusts charging.
- Fan-less heatsink eliminates running noise.
- Rugged chassis weighs 2.72 kg.
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Description
IP67 waterproof construction and three distributed charging banks define theProMariner ProSport 20 Triple Marine Battery Chargerfor fishing boats, bass boats, and trolling motors. It provides 20 amps for distributed 12V, 24V, or 36V systems and uses fixed 110V to 120V AC input with listed flooded, AGM, and gel battery support.
The 4-stage ProMar Digital charging program lists 14.6V absorption and 13.4V float values per 12V bank. LED charge indicators provide local status, while automatic thermal sensing, fanless aluminum heat-sink cooling, SAE J1171 and ISO 8846 ignition protection, and short-circuit protection are documented.
Key Specifications of the ProMariner ProSport 20 Triple Marine Battery Charger
- Twenty-amp output supports listed fishing-boat and trolling-motor charging applications.
- Three banks distribute charging across 12V, 24V, or 36V configurations.
- Fixed 110V to 120V input supports compatible shore-power sources.
- Flooded, AGM, and gel profiles cover listed lead-acid battery types.
- Four-stage digital charging manages the listed charge sequence.
- Per-bank 14.6V absorption supports the listed 12V charge profile.
- IP67 construction supports the listed fully waterproof enclosure.
- LED indicators provide the listed local charge-status information.
- Fanless aluminum heat sinking manages operating heat without a fan.
Battery and Charging Compatibility
The ProSport 20 Triple supports listed flooded, AGM, and gel battery types. Its three distributed outputs are stated for 12V, 24V, or 36V configurations in fishing boats, bass boats, and trolling-motor systems.
This multi bank battery charger does not list lithium compatibility. The 14.6V absorption and 13.4V float values apply per 12V bank, so confirm each battery profile before charging.
Installation and System Considerations
The charger uses fixed 110V to 120V AC input and distributes charging across three banks for stated 12V, 24V, or 36V configurations. It has IP67 fully waterproof construction, SAE J1171 and ISO 8846 ignition protection, LED status indicators, automatic thermal sensing, and fanless aluminum heat-sink cooling. The unit measures 12.1 in. by 7.25 in. by 2.7 in. and weighs 6 lbs. Installation should follow the charger manual and the electrical requirements applicable to the vessel.
Warranty and Support
Warranty information is not included in the listed product data. Review the manufacturer documentation for product details, setup, and warranty coverage.
Before Ordering the ProMariner ProSport 20 Triple Marine Battery Charger
Before ordering, confirm that your system uses flooded, AGM, or gel batteries and requires a listed 12V, 24V, or 36V distributed configuration. Review the 20-amp output, fixed 110V to 120V input, IP67 rating, ignition protection, and available installation space. You should confirm compatibility with your battery manufacturer and vessel electrical system before purchase.
ProMariner ProSport 20 Triple Charger
| Brand | ProMariner |
| SKU | 43020 |
| Output Current | 20 Amps |
| Isolated Banks | 3 Banks |
| DC Voltage | 12V, 24V, 36V (Distributed) |
| Input Voltage | 110-120V AC (Fixed) |
| Battery Types | Flooded, AGM, Gel (No Lithium) |
| Algorithm | 4-Stage ProMar Digital Charging |
| Absorption/Float | 14.6V / 13.4V (Per 12V Bank) |
| Efficiency | >85% |
| IP Rating | IP67 (100% Waterproof) |
| Ignition Protected | SAE J1171 / ISO 8846 |
| Communication | LED Charge Status Indicators |
| Temp Compensation | Automatic Thermal Sensing |
| Safety Protections | Over-Voltage, Reverse Polarity, Short Circuit |
| Cooling | Extruded Aluminum Heat Sink (No Fan) |
| Dimensions | 307 x 184 x 69 mm (12.1x7.25x2.7") |
| Weight | 2.72 kg (6 lbs) |
| Certifications | UL 1236 Marine, FCC Class A |
| Application | Fishing Boats, Bass Boats, Trolling Motors |
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