NOCO Genius GENPRO10X3
#6 in 3 and 4 bankFull review
For bass boats with a starting battery and a 24 V trolling motor pair, at 10 A a bank with lithium and AGM modes on each.
Amazon $324.95$324.95
The NOCO Genius GENPRO10X3 is the better onboard marine battery charger overall, rated 3.9 to 3.3. The NOCO Genius GENPRO10X3 leads on features, charge current and value. The ProMariner ProSport HD 20 Plus costs $69.32 less ($255.63 vs $324.95).
ProMariner ProSport HD 20 Plus
#11 in 3 and 4 bankFull review
For bass boats with a starting battery and a 24 V trolling pair, with ignition protection for gasoline engine bays.
Amazon $255.63$255.63
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 NOCO Genius GENPRO10X3 for features (lithium mode, IP67 or better, temperature compensation, charge display or app vs lithium mode, IP67 or better), charge current (30 A total (3 banks of 10 A) vs 20 A total) and value ($10.83 per amp ($324.95, 30 A total) vs $12.78 per amp ($255.63, 20 A total)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 3 and 4 bank onboard marine battery charger; a clear win is highlighted. How we rank explains each one.
| Factor weight | NOCO Genius GENPRO10X3 | ProMariner ProSport HD 20 Plus |
|---|---|---|
| Overall rating | 3.9/5 | 3.3/5 |
| Value 30% | 81 $10.83 per amp ($324.95, 30 A total) | 71 $12.78 per amp ($255.63, 20 A total) |
| Charge current 15% | 33 30 A total (3 banks of 10 A) | 11 20 A total |
| Features 25% | 100 lithium mode, IP67 or better, temperature compensation, charge display or app | 50 lithium mode, IP67 or better |
| Warranty 30% | 50 3-year warranty | 50 3-year warranty |
Specifications
| NOCO Genius GENPRO10X3 | ProMariner ProSport HD 20 Plus | |
|---|---|---|
| Charging | ||
| Banks | 3 | 3 |
| Current per bank | 10 A | - |
| Total current | 30 A | 20 A |
| Lithium mode | Yes | Yes |
| AGM mode | Yes | Yes |
| Temperature compensation | Yes | - |
| Build | ||
| Water rating | IP68 | IP67 |
| Display or app | Yes | No |
| Ignition protected | Yes | Yes |
| Weight | 12.8 lb | 7.8 lb |
| Warranty | 3 years | 3 years |
| Released | 2020-08-17 | 2021-01-25 |