How to Wire Batteries in Parallel | Minn Kota Trolling Motors

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In this video, we will show you how to connect multiple 12 volt marine batteries in parallel to create to increased amp-hour rating. Wiring in parallel sums capacity (amp-hours) while maintaining our single-battery voltage.
If we start with two identical 12 Volt, 100 amp-hour batteries and wire them in parallel, we will receive 200 amp-hours at 12 volts. This is a great option for powering a 12 volt trolling motor where the battery life runs out prior to the end of your fishing day, or for those looking to get added run time out of cranking or electronic accessory batteries.
Want to learn more about wiring in series or parallel? Check out our resource ➡️ www.minnkotamotors.com/blog/a...
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Опубликовано:

15 янв 2023

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Комментарии : 36

@flemingsoutdooradventures3122 4 месяца назад

Thank you that’s exactly what I needed to know.

@papa2u875 Год назад

Diagram connection is different than his install procedure. He connected trolling motor to one battery and diagram showed neg lead to battery 1 and pos lead to battery 2. Your response?

@robbob5318 Год назад

.. it really doesn't matter...

@stephensnyder6204 Год назад

Schematic was right. Demonstration was wrong.

@mightyaleckos14 Год назад

So from motor it goes one positive one battery and one negative other battery correct? like his picture?

@boduncan1044 Год назад

Exactly!

@trumpking4874 Год назад

@@boduncan1044no that’s running them in a Series not parallel

@mikencrew8885 11 месяцев назад

Between this guy doing different than picture and the comments, this is the most confusing thing I have ever seen lol

@TacoDudeYum 8 месяцев назад

Wouldnt running in series be easier and safer

@AchikSarih 4 месяца назад

Merci beaucoup ❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

@jeremygilreath224 6 месяцев назад

I thought u are supposed to hook to negative on one and positive on the other battery for the trolling motor and the charger anyway

@rootwad 2 месяца назад

Genuinely surprised Minn Kota didn't address this. The literature i see over in the Solar Power world, where they use a lot of the same 12v batteries, indicates that you are correct. Connection like in the video could lead to uneven wear and premature failure of the battery nearest the load. Perhaps there's no real-world difference in a 2-battery setup, but i'd still give more thought to a 3 or 4 battery implementation.

@privateidho 19 дней назад

@@rootwad This video was for connecting batteries in Parallel not in Series. Google the use cases for each of these. Cheers!

@rootwad 19 дней назад

@@privateidho Yes indeed. Once you have 2 batteries connected in parallel, the lines to the load COULD be connected to the + and - of one battery, OR to the + of one and the - of the other. The former is what is shown in the video, the latter is what is generally recommended outside of the fishing community. 2:53 of the video actually shows a schematic that matches this; the video, disapointingly, does NOT follow this wiring diagram and the demonstrator wires the load to the + and - of one battery.

@BrocidenOfTheBrocean Год назад

What size ring tongue?

@theusconstitution1776 2 месяца назад

I have a question that I cannot find anywhere on RU-vid when I connect to lithium ion batteries and parallel versus wiring them in series. What happens to the water hours?

@bobbymaifert8047 25 дней назад

it does not matter if the batteries are SLA, AGM, GEL, Lithium ion, series connection equals more voltage, parallel connection equals more AMP hours, and series parallel connection equals more voltage and amperage. Example of Series connection for two 12volt 100 amp hour batteries would make then 24volt 100amp hour, Parallel connection would make them 12volt 200amp hour, and Parallel Series connection would make them 24volt 200amp hour. Hope that helps

@thomasrobey9851 10 месяцев назад

Can you use one bank to charge two batteries in parallel? How would you put the leads on?

@MinnKotaMotors 10 месяцев назад

Thomas Robey, We would recommend each battery to have their own bank. You could do two batteries in parallel with one Bank but it will take a lot longer to charge the batteries that way the Charger could time out. You would put the leads to one battery and when that battery is full it will trickle over to the other battery. Best Regards.

@ebla83 8 месяцев назад

@@MinnKotaMotors I agree. I actually do this. However, I fully charge the batteries first, then hook them in parallel from biggest to smallest, then hook the automatic trickle charger to the biggest battery. I only do this to maintain batteries over winter. It does work however.

@dalenassar9152 Год назад

Something scares me here about slightly un-equal battery voltages and the large current that may result between the two batteries!...any help???

@thestruggler3338 8 месяцев назад

in effect the batteries should come to equilibrium, its like jump starting a car battery but just leaving the terminal clamps on the batteries forever lol

@kayakfishingforpredators9107 Год назад

⚠️⚠️There is a possibility that This particular WIRING can end VERY BADLY.⚠️⚠️ ALWAYS USE FUSES TOGETHER WITH A PROPER FUSEHOLDER THAT CAN WITHSTAND HIGH CURRENTS OVER 100 AMPS. (When shortciruited) SO: in my opinion there has to be a FUSE in the Red cable (between the + of the batteries) and the cable that runs to the motor HAS TO HAVE another FUSE. Think of 50-60 Amps fuses. You do NOT want to be close to a DOUBLE LEAD ACID that is short circuited

@HobbitHomes263 3 месяца назад

I just follow the instructions that come with the charger

@16352huey Год назад

follow the diagram, not the demo when hooking the trolling motor to the batteries.

@wade4025 Год назад

May be better to Connect the load to the positive of the first battery and the negative of the last battery to make the batteries discharge evenly.

@robbob5318 Год назад

.. it really doesn't matter.. the weakest battery is in control

@ras1on1 Год назад

Why does the wiring diagram show trolling motor negative and positive going to separate batteries and you hooked them to the same battery. Makes no difference but you showed one thing and did another.

@AllSnipe Год назад

What he meant to say was series. The way he's doing it is producing 24v. Parallel is same voltage (12v) but doubling the runtime with the extra battery.

@sboyd2224 9 месяцев назад

@@AllSnipewrong!

@davidmillen2705 6 месяцев назад

@@AllSnipe It's still parallel. Red connected to red, black connected to black. If he connected the battery positive to 2nd battery negative, then connected his motor to the other free posts, that would be 24v. And yes, the way he demonstrated it (connected the motor leads to only one battery) was wrong. It does make a difference and the diagram should be followed (connected to one side of each battery) so it doesn't lead to uneven discharge and recharging.