For one deep cycle or lithium battery that needs a real overnight recharge, such as a 12 V trolling motor on a small boat.
Amazon $116.50The NOCO Genius GENPRO10X1 is the better onboard marine battery charger overall, rated 3.8 to 3.5. The NOCO Genius GENPRO10X1 leads on value and charge current. The NOCO Genius GEN5X1 costs $36.55 less ($79.95 vs $116.50).
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 $79.95Prices 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 GENPRO10X1 for value ($11.65 per amp ($116.50, 10 A total) vs $15.99 per amp ($79.95, 5 A total)) and charge current (10 A total (1 banks of 10 A) vs 5 A total (1 banks of 5 A)).
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 GENPRO10X1 | NOCO Genius GEN5X1 |
|---|---|---|
| Overall rating | 3.8/5 | 3.5/5 |
| Value 30% | 77 $11.65 per amp ($116.50, 10 A total) | 57 $15.99 per amp ($79.95, 5 A total) |
| Charge current 15% | 17 10 A total (1 banks of 10 A) | 0 5 A total (1 banks of 5 A) |
| Features 25% | 100 lithium mode, IP67 or better, temperature compensation, charge display or app | 100 lithium mode, IP67 or better, temperature compensation, charge display or app |
| Warranty 30% | 50 3-year warranty | 50 3-year warranty |
Specifications
| NOCO Genius GENPRO10X1 | NOCO Genius GEN5X1 | |
|---|---|---|
| Charging | ||
| Banks | 1 | 1 |
| Current per bank | 10 A | 5 A |
| Total current | 10 A | 5 A |
| Lithium mode | Yes | Yes |
| AGM mode | Yes | Yes |
| Temperature compensation | Yes | Yes |
| Build | ||
| Water rating | IP68 | IP68 |
| Display or app | Yes | Yes |
| Ignition protected | Yes | Yes |
| Weight | 4 lb | 1.9 lb |
| Warranty | 3 years | 3 years |
| Released | 2020-08-17 | 2020-08-17 |
