Thread: Lithium battery configurations ...

Let’s discuss the different lithium battery configurations and advantages/disadvantages ...

I’m leaning toward an idea of three identical 12v lithium batteries (2 in series for a 24v TM and one for electronics) ...

And also 3 identical 12v lithium chargers ...

This would allow convenient “rearranging” if a battery or charger died and still allow having a trolling motor functioning ...

(Cranking/accessories battery I could handle separately not in the above configuration) ...

What is your lithium battery configuration and why have you chosen that configuration ... ??

(While brand discussion is welcome, the main theme of the topic is lithium battery configurations) ...

Rickie

I certainly like your idea for versatility

Originally Posted by rnvinc

Let’s discuss the different lithium battery configurations and advantages/disadvantages ...

I’m leaning toward an idea of three identical 12v lithium batteries (2 in series for a 24v TM and one for electronics) ...

And also 3 identical 12v lithium chargers ...

This would allow convenient “rearranging� if a battery or charger died and still allow having a trolling motor functioning ...

(Cranking/accessories battery I could handle separately not in the above configuration) ...

What is your lithium battery configuration and why have you chosen that configuration ... ??

(While brand discussion is welcome, the main theme of the topic is lithium battery configurations) ...

Rickie

Following - I’m possibly going to be changing over to lithium, have the same questions


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Curious as to why three individual chargers vs one 3-bank charger?

Originally Posted by speckfinder

Curious as to why three individual chargers vs one 3-bank charger?

3 identical individual chargers allows the same versatility as 3 individual batteries ...

If one craps out, I still have options to charge while the dead charger gets fixed or replaced ...

With a 3 bank charger, if one bank dies there is no charging capability at all until the 3 bank charger gets fixed ...

I have more room in my battery compartment than most boats ... space is not a concern in my specific scenario ...

Rickie

Originally Posted by rnvinc

3 identical individual chargers allows the same versatility as 3 individual batteries ...

If one craps out, I still have options to charge while the dead charger gets fixed or replaced ...

With a 3 bank charger, if one bank dies there is no charging capability at all until the 3 bank charger gets fixed ...

I have more room in my battery compartment than most boats ... space is not a concern in my specific scenario ...

Rickie

Yeah, after I made the post I realized redundancy is the goal.

I'm not sure I buy into the need for a separate "electronics" battery. I think one high capacity lithium cranking battery could do double duty and save space and weight. Then charge all 3 with a 3 bank charger (Noco, MK precision, etc.)
What am I missing?

Chris

Originally Posted by NCkenner

I'm not sure I buy into the need for a separate "electronics" battery. I think one high capacity lithium cranking battery could do double duty and save space and weight. Then charge all 3 with a 3 bank charger (Noco, MK precision, etc.)
What am I missing?

Chris

I currently have four 29 series wet cell batteries now ... with room left over ...

Weight nor space is a concern for my specific scenario ...

With so many reports of issues with lithium batteries and lithium chargers - versatility in keeping the boat useable during lithium product warranty work is more important in my specific scenario ...

Rickie

Originally Posted by NCkenner

I'm not sure I buy into the need for a separate "electronics" battery. I think one high capacity lithium cranking battery could do double duty and save space and weight. Then charge all 3 with a 3 bank charger (Noco, MK precision, etc.)
What am I missing?

Chris

Well when your electronics run your battery down low enough that your motor won’t start, you may change your mind

Just glad I still had plenty left in the trolling batteries. I now have a separate battery and jumper cables.


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[QUOTE=tcounty;4376647]Well when your electronics run your battery down low enough that your motor won’t start, you may change your mind

Just glad I still had plenty left in the trolling batteries. I now have a separate battery and jumper cables.

Yes, I understand that and why I stated a single "high capacity" starting battery. If I were replacing all the batteries like Rickie is, I'd put a very large capacity main battery for house/starting duty. One without a doubt of carrying my accessories and starting when it's time to head home. In Rickie's case he has plenty of room for additional batteries and chargers and weight isn't an issue so his set up is different than most. Also the cost of an additional battery and charger is something most of us would want to avoid unless absolutely necessary.
I carry a small pair of jumper cables in my boat at all times too but have never needed them. I have however donated them to folks on the water who have had cranking batteries fail so they could jump from their trolling set up.

Chris