ProMariner ProSport HD 12
#12 in 1 and 2 bankFull review
For a two battery boat that wants ignition protection and smarter current sharing than a fixed split charger.
Amazon $201.30$201.30
2.8/5
For one starting or small trolling battery in a boat with a gasoline engine compartment, where ignition protection matters.
- 1 x 6 AOutput
- 6 ATotal current
- YesLithium mode
- IP67Water rating
Check price at Amazon$135.99
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- IP67 aluminum case built to ABYC A-31 with ignition protection, so it can go in a gasoline engine compartment
- LiFePO4, AGM, gel and flooded profiles
- Monthly storage recondition cycle looks after a battery left on the charger all winter
Cons
- 6 A is slow for a large deep cycle battery
- Lithium mode only covers ProMariner approved batteries
- Shorter 3 year warranty than the ProTournament line
The ProMariner ProSport HD family
Every ProMariner ProSport HD model we rank, smallest first. Ratings compare each against its own bank count.
| Model | Output | Rating | Price |
|---|---|---|---|
| ProMariner ProSport HD 6 (this one) | 1 x 6 A | 2.8/5 | $135.99 |
| ProMariner ProSport HD 8 | 8 A total | 2.9/5 | $169.99 |
| ProMariner ProSport HD 12 | 2 x 6 A | 3.2/5 | $201.30 |
| ProMariner ProSport HD 20 | 20 A total | 3.5/5 | $249.99 |
| ProMariner ProSport HD 20 Plus | 20 A total | 3.3/5 | $255.63 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its bank count. How we rank explains each one.
Specifications
| Model number | 44006 |
|---|---|
| Charging | |
| Banks | 1 |
| Current per bank | 6 A |
| Total current | 6 A |
| Lithium mode | Yes |
| AGM mode | Yes |
| Build | |
| Water rating | IP67 |
| Display or app | No |
| Ignition protected | Yes |
| Weight | 3.8 lb |
| Warranty | 3 years |
Alternatives in this bank count
ProMariner ProSport HD 8
#13 in 1 and 2 bankFull review
For a small boat with a starting battery and a modest trolling battery, from a maker whose chargers are built for engine compartments.
Amazon $169.99$169.99
Guest ChargePro 2711A
#15 in 1 and 2 bankFull review
An affordable two bank charger for lead acid batteries on a small fishing boat. Lithium owners should look elsewhere.
Amazon $145.83$145.83
Compare
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