NOCO Genius GEN5X1
#8 in 1 and 2 bankFull review
A cheap way to keep a single starting or trolling battery topped up aboard a small boat. Buy a bigger charger for a deep cycle bank you drain every trip.
Amazon $79.95$79.95
The NOCO Genius GEN5X1 is the better onboard marine battery charger overall, rated 3.5 to 2.8. The NOCO Genius GEN5X1 leads on features and value. The NOCO Genius GEN5X1 costs $56.04 less ($79.95 vs $135.99).
ProMariner ProSport HD 6
#14 in 1 and 2 bankFull review
For one starting or small trolling battery in a boat with a gasoline engine compartment, where ignition protection matters.
Amazon $135.99$135.99
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 GEN5X1 for features (lithium mode, IP67 or better, temperature compensation, charge display or app vs lithium mode, IP67 or better) and value ($15.99 per amp ($79.95, 5 A total) vs $22.67 per amp ($135.99, 6 A total)).
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 | NOCO Genius GEN5X1 | ProMariner ProSport HD 6 |
|---|---|---|
| Overall rating | 3.5/5 | 2.8/5 |
| Value 30% | 57 $15.99 per amp ($79.95, 5 A total) | 35 $22.67 per amp ($135.99, 6 A total) |
| Charge current 15% | 0 5 A total (1 banks of 5 A) | 0 6 A total (1 banks of 6 A) |
| 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 GEN5X1 | ProMariner ProSport HD 6 | |
|---|---|---|
| Charging | ||
| Banks | 1 | 1 |
| Current per bank | 5 A | 6 A |
| Total current | 5 A | 6 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 | 1.9 lb | 3.8 lb |
| Warranty | 3 years | 3 years |
| Released | 2020-08-17 | - |