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Minn Kota Onboard Alternator Chargers

   

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Description
Quantity Price & availability

MK-1 DC

  • $99.99

  • SKU: 1320469

  • In Stock
  • Include 2 Yr Premium Accident Protection Plan

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MK-2 DC

  • $129.99

  • SKU: 1320470

  • In Stock
  • Include 2 Yr Premium Accident Protection Plan

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MK-3 DC

  • $169.99

  • SKU: 1320472

  • In Stock
  • Include 2 Yr Premium Accident Protection Plan

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These DC powered Onboard Alternator Chargers by Minn Kota® use power from your boat's alternator to recharge your trolling batteries while your main engine is running. The Minn Kota Onboard Alternator Chargers are designed for use with 12 volt systems with 12V / 6-cell batteries that are flooded/wet cell, maintenance free or starved electrolyte (AGM) only. Waterproof construction, saltwater protected, FCC compliant. Total amp output: Up to 10 amps per bank. Amps per bank: Up to 10 amps. Manufacturer's 3-year warranty.

  • Uses power from your boat's alternator to recharge your trolling batteries
  • Designed for use with 12-volt systems
  • Waterproof construction
  • Saltwater protected
  • FCC compliant
  • 3-year manufacturer's warranty


Dimension and unit weight:
Model MK-2 DC is 10.5'' x 7.25'' x 3.5'' and 6.5 lbs.

13 Questions | 12 Answers

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Will this work on a 36V trolling motor and 12V outboard motor battery, so there would be 4 12V batterys in all.
2 months, 1 week ago
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 - Jay Fl
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18amp Alternator

Details: 
I have a 50 HP evinrude and want to install a deep cycle battery for my trolling motor. will the alternator be sufficient to charge both batteries using the minn kota 2 bank charger?
 
Q: 
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how does it hook up

6 months ago
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A: 
A set of leads would run to each battery (just like a charger). then a single conductor would run to a switched ignition source (like key switch). When the unit senses 13.6v or greater the unit diverts 10amps to the battery which is isolated from the system when the motor is off.
An alternators normal output would be around 14.4 volts. With the engine off a battery can be 11-13.3 volts (depnds on the charge level) , the unit would be off at this voltage level and isolate them from each other. Quite simple to hook up (leads may need to be extended in some applications but that is an easy task as well. Minn Kota has the users manual available on their site.
4 months, 1 week ago
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Staff Answer
A: 
Per the manual:

CONNECTING THE BATTERIES TO THE CHARGER:
1. Find the input cable labeled “STARTING” and connect POSITIVE (RED) wire to POSITIVE (+) or ungrounded terminal on the starting battery.
Then connect the NEGATIVE (BLACK) to the NEGATIVE (-) or grounded battery terminal on that battery.
2. Find each output cable and connect POSITIVE (RED) wire to POSITIVE (+) or ungrounded terminal on the trolling battery. Then connect the
NEGATIVE (BLACK) to the NEGATIVE (-) or grounded battery terminal on that battery.
3. Connect additional output cables to additional batteries as described in step 2.
4. For this DC Alternator Charger to function, find the purple ignition wire and connect it to the
Ignition Circuit. This can be any +12v source that is only energized when the ignition key is
turned on. Use the quick connect terminal provided. See diagram to the right. If the purple ignition
wire is not long enough, it can be extended with 18 AWG wire.
Each output bank is independent and isolated from one another. The Minn Kota charger can
charge independent batteries or combinations of batteries hooked in series or parallel without
disconnecting the batteries from any switches or wires / straps joining the batteries.
6 months ago
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 - Springfield, MO
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Details: 
I have a 25 hp merc with 12 amp alternater. do i only need a 2 bank alternater charger to charge my 2 trolling batteries since my alternator is charging my cranking battery and then the 2 banks to my trolling batteries? and can i also have a on board 3 bank charger for shore use wired in?

What's the main diference between the mk 345D and mk 330 D.? I plan on getting both but not sure which ones?

It will be for a new tracker 16ft. deep v that comes with a cranking and trolling battery but i'm not sure which type they use. Will this set-up work OK?

Thanks,

Bob
7 months ago
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Can I have this Alternator Charger running to my 2 trolling batteries and also have a On-Board charger running to my trolling batteries at the same time? In other words I have a 3 bank charger 1 crank 2 trolling batteries that I plug in at night. Can I add this to my setup?
1 year ago
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A: 
Without question: Use the MK 345D
11 months ago
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 - Saint Bernard, Louisiana
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1 year, 2 months ago
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Staff Answer
A: 
DC Alternator Chargers use current from your boat’s alternator to re-charge trolling batteries when the main engine is running.
1 year, 2 months ago
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 - springfield, mo
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1 year, 5 months ago
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A: 
I do not agree with castalure. There is no advantage to getting a dual bank in your situation. Doing so would actually limit the available current going to your starting battery vs leaving existing charge system intact (limited by each banks output). For your Trolling setup, single bank would work perfect.
4 months, 1 week ago
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A: 
You can get away with a single bank charger to charge just the trolling motor battery, but you would be better off with the dual bank charger. Most boats have all electronics except the trolling motor running off the starting battery. If you don't run your outboad much during a fishing trip, (such as when fishing a small pond) your starting battery can become discharged. In any event, the dual bank charger will keep both batteries in peak condition. I'd go with the dual bank.
1 year, 3 months ago
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 - Massachusetts
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1 year, 8 months ago
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A: 
yes absolutely. its charging mine right now.
1 year, 6 months ago
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 - yuba city calif.
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2 years, 4 months ago
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 - Lipan, Tx.
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A: 
it comes with everything but the mounting screws
1 year, 6 months ago
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 - yuba city calif.
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A: 
I does come with 6 ft. battery wires. It also come with the wire to hook up the unit to a switched ignition source.
2 years, 4 months ago
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 - Colorado
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