For a two battery boat on lead acid batteries that wants 10 A a bank for little money. It has no lithium mode.
Amazon $182.64The Guest ChargePro 2720A is the better onboard marine battery charger overall, rated 3.3 to 2.7. The Guest ChargePro 2720A leads on value and charge current. The Guest ChargePro 2711A costs $36.81 less ($145.83 vs $182.64).
An affordable two bank charger for lead acid batteries on a small fishing boat. Lithium owners should look elsewhere.
Amazon $145.83Prices 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 2720A for value ($9.13 per amp ($182.64, 20 A total) vs $14.58 per amp ($145.83, 10 A total)) and charge current (20 A total (2 banks of 10 A) vs 10 A total (2 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 | Guest ChargePro 2720A | Guest ChargePro 2711A |
|---|---|---|
| Overall rating | 3.3/5 | 2.7/5 |
| Value 30% | 92 $9.13 per amp ($182.64, 20 A total) | 63 $14.58 per amp ($145.83, 10 A total) |
| Charge current 15% | 58 20 A total (2 banks of 10 A) | 17 10 A total (2 banks of 5 A) |
| Features 25% | 25 IP67 or better | 25 IP67 or better |
| Warranty 30% | 25 2-year warranty | 25 2-year warranty |
Specifications
| Guest ChargePro 2720A | Guest ChargePro 2711A | |
|---|---|---|
| Charging | ||
| Banks | 2 | 2 |
| Current per bank | 10 A | 5 A |
| Total current | 20 A | 10 A |
| Lithium mode | No | No |
| Build | ||
| Water rating | IP67 | IP67 |
| Display or app | No | No |
| Ignition protected | Yes | Yes |
| Weight | 6.6 lb | 4.7 lb |
| Warranty | 2 years | 2 years |
| Released | 2018-09-10 | - |
