ProMariner ProSport 44020 Battery Charger 20A 12/24V 2-Bank
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The ProMariner ProSport GEN4 HD Series 44020 is a professional marine battery charger featuring Promariner digital technology and distributed-on-demand charging. With 20A output and dual voltage capability (12/24V) across 2 banks, this charger delivers fully automatic 5-stage digital performance charging for high-demand marine applications.
Key Features:
- Promariner digital technology
- Distributed-on-demand technology
- Heavy duty tri-surface extruded heat sink design
- Expanded LED display with completion status gauge
- Lightweight design
- 3 selectable charge profiles
- Auto-maintain energy saver mode
- Fully automatic 5-stage digital performance charging
- Built-in quality and safety
- Easy installation and operation
- IP67 waterproof rating
- AC in: 120VAC ±10% 50/60Hz
- Three year warranty
Specifications:
- Volts: 12/24V
- Amps: 20A
- Banks: 2
- Dimensions: L x W x H: 7.9" x 12.8" x 2.9"
- Weight: 7.2 lb
Ideal for larger vessels with dual battery banks requiring high amperage charging for house and starting batteries.
Typically ships in 4–5 business days. Availability confirmed upon order.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 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.