Battery Equivalents and Replacements

Minn Kota On-Board Digital Chargers

Minn Kota On-Board Digital Chargers are a group of robust and reliable 12V lead-acid battery chargers that differ in the number of banks and output current, but also share several very important features like being waterproof, featuring digital control, temperature compensation, and similar.

Minn Kota On-Board Digital Chargers are commonly used in marine, automotive and industrial applications, with the power being provided by an on-shore AC power source.

Published: February 22, 2021.

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Minn Kota On-Board Digital Chargers Features and Specifications

The main difference between models of Minn Kota On-Board Digital Chargers are in the number of banks, output current, dimensions, weight, and few more important details, given in the following comparison chart:

Model MK 106D MK 210D MK 220D MK 315D MK 330D MK 440D
Photo table mk 106d table mk 210d table mk 220d table mk 315d table mk 330d table mk 440d
Model Number 1821065 1822105 1822205 1823155 1823305 1824405
Number of Banks 1 2 2 3 3 4
Current per Bank 6 Amps 5 Amps 10 Amps 5 Amps 10 Amps 10 Amps
Total Output 6 Amps 10 Amps 20 Amps 15 Amps 30 Amps 40 Amps
Dimensions (L x W x H) 8.75 x 4.75 x 3 inches 11.5 x 7.5 x 4 inches 13.5 x 7.5 x 4 inches 12.5 x 7.5 x 4 inches 16.5 x 7.5 x 4 inches 11.75 x 6.75 x 8 inches
Weight 4.5 lbs 11.0 lbs 15.0 lbs 14.0 lbs 20.0 lbs 22.5 lbs
Power Source On-Shore AC On-Shore AC On-Shore AC On-Shore AC On-Shore AC On-Shore AC
Flooded/Wet Lead-Acid Compatible Yes Yes Yes Yes Yes Yes
AGM Compatible Yes Yes Yes Yes Yes Yes
Gel-Cell
Compatible
No No No No No No
Digital Control Yes Yes Yes Yes Yes Yes
Waterproof Yes Yes Yes Yes Yes Yes
Temperature Compensation Automatic Automatic Automatic Automatic Automatic Automatic
Cell Equalization No No No No No No
Battery Type Selection No No No No No No
Warranty 3-Year 3-Year 3-Year 3-Year 3-Year 3-Year
Amazon Link Minn Kota MK 106D On-Board Battery Charger Minn Kota MK 210D On-Board Battery Charger Minn Kota MK 220D On-Board Battery Charger MinnKota MK 315D On-Board Battery Charger MinnKota MK 330D On-Board Battery Charger MinnKota MK 440D On-Board Battery Charger

Note: Amazon affiliate links open in the new windows, feel free to check them for the most up-to-date offers and prices.

Minn Kota On-Board Digital Chargers are designed to be semi-permanently mounted on boats, yachts, vehicles, and other units that frequently recharge their 12V batteries.

Note: When mounting and connecting your new Minn Kota battery charger, be sure to read the manual first in order to get accustomed to your new battery charger.

According to the manufacturer, each output bank is independent and isolated from one another and from the AC input. This allows Minn Kota On-Board Digital Chargers to charge independent batteries or combinations of batteries connected in series or parallel without disconnecting the batteries first - this is a very time-saving feature for people featuring 24, 36, and 48 volts systems based on the two, three or four 12V batteries connected in series.

minn kota on board digital charger mMinn Kota On-Board Digital Chargers are suitable for charging wet/flooded and AGM lead-acid batteries, but they are not recommended for gel-cell lead-acid and lithium batteries - they don't support battery type selection.

Also, Minn Kota On-Board Digital Chargers charge the batteries using typical lead-acid battery charge modes, but they don't support cell-equalization.

But, their casings are waterproof, they feature digital control, temperature compensation, isolated banks, and a very nice, 3-year limited warranty.

With the increase in banks and output currents, the prices of Minn Kota On-Board Digital Chargers also increase.


Long Story Short: Minn Kota On-Board Digital Chargers are very popular battery chargers tried and tested by many users in real-life situations.

These chargers don't support gel-cell batteries and lack few features found on similar smart AGM battery chargers, but as the number of features goes up, so do the prices of such battery chargers.

Perhaps the most important feature is isolated charging banks, allowing the user to charge several batteries connected in series without disconnecting them first.

For more reviews and recommendations, feel free to check MinnKota MK On-Board Digital Battery Chargers Amazon link (link opens in the new window).

Amazon Search:

- Smart AGM Battery Charger

- Lithium Battery Charger

Note: Amazon links open in the new windows, feel free to check them for the most up-to-date offers and prices.