An affordable two bank charger for lead acid batteries on a small fishing boat. Lithium owners should look elsewhere.
Amazon $145.83The Guest ChargePro 2711A is the better onboard marine battery charger overall, rated 2.7 to 2.7. The Guest ChargePro 2711A leads on charge current. The Guest ChargePro 2707A costs $23.97 less ($121.86 vs $145.83).
For a small boat with a starting battery and a small lead acid trolling battery, on a tight budget.
Amazon $121.86Prices 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 Guest ChargePro 2711A for charge current (10 A total (2 banks of 5 A) vs 8 A total (2 banks of 4 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 | Guest ChargePro 2711A | Guest ChargePro 2707A |
|---|---|---|
| Overall rating | 2.7/5 | 2.7/5 |
| Value 30% | 63 $14.58 per amp ($145.83, 10 A total) | 60 $15.23 per amp ($121.86, 8 A total) |
| Charge current 15% | 17 10 A total (2 banks of 5 A) | 8 8 A total (2 banks of 4 A) |
| Features 25% | 25 IP67 or better | 25 IP67 or better |
| Warranty 30% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Guest ChargePro 2711A | Guest ChargePro 2707A | |
|---|---|---|
| Charging | ||
| Banks | 2 | 2 |
| Current per bank | 5 A | 4 A |
| Total current | 10 A | 8 A |
| Lithium mode | No | No |
| Build | ||
| Water rating | IP67 | IP67 |
| Display or app | No | No |
| Ignition protected | Yes | Yes |
| Weight | 4.7 lb | 4.5 lb |
| Warranty | 2 years | 2 years |
