Minn Kota MK-220PCL
#4 in 1 and 2 bankFull review
For a boat with a starting battery and a 12 V trolling or house battery, at a useful 10 A a bank and with lithium support.
Amazon $242.57$242.57
The Minn Kota MK-220PCL is the better onboard marine battery charger overall, rated 3.8 to 2.7. The Minn Kota MK-220PCL leads on features, charge current and warranty. The Guest ChargePro 2707A costs $120.71 less ($121.86 vs $242.57).
Guest ChargePro 2707A
#16 in 1 and 2 bankFull review
For a small boat with a starting battery and a small lead acid trolling battery, on a tight budget.
Amazon $121.86$121.86
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 Minn Kota MK-220PCL for features (lithium mode, temperature compensation, charge display or app vs IP67 or better), charge current (20 A total (2 banks of 10 A) vs 8 A total (2 banks of 4 A)) and warranty (3-year warranty vs 2-year warranty).
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 | Minn Kota MK-220PCL | Guest ChargePro 2707A |
|---|---|---|
| Overall rating | 3.8/5 | 2.7/5 |
| Value 30% | 74 $12.13 per amp ($242.57, 20 A total) | 60 $15.23 per amp ($121.86, 8 A total) |
| Charge current 15% | 58 20 A total (2 banks of 10 A) | 8 8 A total (2 banks of 4 A) |
| Features 25% | 75 lithium mode, temperature compensation, charge display or app | 25 IP67 or better |
| Warranty 30% | 50 3-year warranty | 25 2-year warranty |
Specifications
| Minn Kota MK-220PCL | Guest ChargePro 2707A | |
|---|---|---|
| Charging | ||
| Banks | 2 | 2 |
| Current per bank | 10 A | 4 A |
| Total current | 20 A | 8 A |
| Lithium mode | Yes | No |
| AGM mode | Yes | - |
| Temperature compensation | Yes | - |
| Build | ||
| Water rating | - | IP67 |
| Display or app | Yes | No |
| Ignition protected | - | Yes |
| Weight | 6.4 lb | 4.5 lb |
| Warranty | 3 years | 2 years |
| Released | 2021 | - |