ProMariner 44012 Prosporthd Series USA Batttery Charger, 12 Amps, 2 Bank
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You have 30 days to request a return. All sale items are final sale.
ProMariner ProSportHD Series onboard marine battery charger (44012) is designed for harsh conditions and delivers true rated constant-current charging with fully automatic, multi-stage performance for reliable battery charging and maintenance.
Key Features
- Heavy-duty tri-surface extruded heat sink design helps support efficient, consistent charging performance
- True rated constant-current charging amps during charge mode
- Fully automatic 5-stage digital performance charging: analyzes, charges, conditions, auto maintains, and reconditions (with monthly reconditioning during storage)
- Distributed-On-Demand™ technology directs available charging amps across one or more batteries as needed
- Auto Maintain / Energy Saver mode monitors and maintains batteries only when needed to help reduce AC power consumption
- Built-in safety protections including dual inline waterproof fuses, reverse polarity, over-temperature, over-current, over-voltage, and ignition protection
- Waterproof design rated IP67
- USA 120V AC input
Product Compatibility
- On-board marine battery charging and maintenance (recreational use)
Product Details
- ProMariner ProSportHD Series onboard battery charger, Part Number 44012
- Rated output: 12 Amps
- Banks: 2 Bank (two 12V battery connections)
- Battery type selection: Flooded (Lead-Acid), AGM, and Gel batteries
- USA 120V AC input
- Waterproof rating: IP67
- Pre-wired cables included (6' AC and DC cables per included documentation)
- Charging technology: ProMariner Digital Technology with microprocessor/software-controlled charging
- Safety/certifications: listed/certified to UL Marine 1236; CEC and DOE listed; FCC Class B (as stated in manufacturer documentation)
- Warranty: 3 Year Warranty (as stated in included documentation)
- SKU/Part reference: 175-44012
Parts Desk Insights
Best Use Case: Great for boats that need an on-board 2-bank charger for two 12V batteries (house and/or engine start) with automatic multi-stage charging and maintenance.
Common Issues: If the charger appears to be “not starting” or not charging as expected, confirm correct DC polarity, check for a good connection and any in-line DC fuse, and ensure the batteries are above the charger’s minimum voltage threshold for analyze mode. If the unit indicates a fault during analyze/system check, review wiring (including not wiring across two batteries incorrectly) and verify the battery type profile is set appropriately.
Related Products & Accessories
- Browse Battery Chargers - Explore additional onboard and multi-bank battery charger options.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.