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 $324.95The NOCO Genius GENPRO10X3 is the better onboard marine battery charger overall, rated 3.9 to 3.6. The NOCO Genius GENPRO10X3 leads on charge current and value. The NOCO Genius GEN5X3 costs $125 less ($199.95 vs $324.95).
For a small bass boat with a starting battery and a 24 V trolling pair that wants lithium support on a budget. Heavy daily use is better served by 10 A banks.
Amazon $199.95Prices 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 GENPRO10X3 for charge current (30 A total (3 banks of 10 A) vs 15 A total (3 banks of 5 A)) and value ($10.83 per amp ($324.95, 30 A total) vs $13.33 per amp ($199.95, 15 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 | NOCO Genius GEN5X3 |
|---|---|---|
| Overall rating | 3.9/5 | 3.6/5 |
| Value 30% | 81 $10.83 per amp ($324.95, 30 A total) | 68 $13.33 per amp ($199.95, 15 A total) |
| Charge current 15% | 33 30 A total (3 banks of 10 A) | 0 15 A total (3 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 GENPRO10X3 | NOCO Genius GEN5X3 | |
|---|---|---|
| Charging | ||
| Banks | 3 | 3 |
| Current per bank | 10 A | 5 A |
| Total current | 30 A | 15 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 | 12.8 lb | 5.8 lb |
| Warranty | 3 years | 3 years |
| Released | 2020-08-17 | 2020-08-17 |
