ProMariner ProSport HD 20
#6 in 1 and 2 bankFull review
For a boat with a starting battery and a big 12 V trolling or house battery, where shared current gets the drained battery full fastest.
Amazon $249.99$249.99
The ProMariner ProSport HD 20 and the Minn Kota MK-212PCL are evenly matched, rated 3.5 and 3.5. The ProMariner ProSport HD 20 leads on charge current and value. The Minn Kota MK-212PCL wins on features. The Minn Kota MK-212PCL costs $78.05 less ($171.94 vs $249.99).
Minn Kota MK-212PCL
#9 in 1 and 2 bankFull review
For a small boat with a starting battery and a 12 V trolling battery of modest size, with lithium support on both banks.
Amazon $171.94$171.94
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the ProMariner ProSport HD 20 for charge current (20 A total vs 12 A total (2 banks of 6 A)) and value ($12.50 per amp ($249.99, 20 A total) vs $14.33 per amp ($171.94, 12 A total)).
- Choose the Minn Kota MK-212PCL for features (lithium mode, temperature compensation, charge display or app vs lithium mode, IP67 or better).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 1 and 2 bank onboard marine battery charger; a clear win is highlighted. How we rank explains each one.
| Factor weight | ProMariner ProSport HD 20 | Minn Kota MK-212PCL |
|---|---|---|
| Overall rating | 3.5/5 | 3.5/5 |
| Value 30% | 72 $12.50 per amp ($249.99, 20 A total) | 64 $14.33 per amp ($171.94, 12 A total) |
| Charge current 15% | 58 20 A total | 25 12 A total (2 banks of 6 A) |
| Features 25% | 50 lithium mode, IP67 or better | 75 lithium mode, temperature compensation, charge display or app |
| Warranty 30% | 50 3-year warranty | 50 3-year warranty |
Specifications
| ProMariner ProSport HD 20 | Minn Kota MK-212PCL | |
|---|---|---|
| Charging | ||
| Banks | 2 | 2 |
| Current per bank | - | 6 A |
| Total current | 20 A | 12 A |
| Lithium mode | Yes | Yes |
| AGM mode | Yes | Yes |
| Temperature compensation | - | Yes |
| Build | ||
| Water rating | IP67 | - |
| Display or app | No | Yes |
| Ignition protected | Yes | - |
| Weight | 7.2 lb | 6.4 lb |
| Warranty | 3 years | 3 years |
| Released | 2021-01-25 | 2021 |