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Started By
Message
re: Lithium Trolling Motor Battery Help
Posted on 8/8/23 at 12:43 pm to LanierSpots
Posted on 8/8/23 at 12:43 pm to LanierSpots
quote:
I have 2, 36v Power House lithiums in parallel on my 25foot CC and absolutely love them.
Was this cheaper than going with one larger system?
0
Posted on 8/9/23 at 3:52 pm to AlxTgr
Well damn. I ordered two 100ah for about $600. I think two 50’s was $400
Posted on 8/9/23 at 4:10 pm to GeekedUp
Oh wait, I recall now. The max draw on my motor was 56 and the brand I was looking at jumped from 50 to 100 with nothing in between.
Also, I fish exclusively salt, water, so more juice isn’t bad battling the current I guess
Also, I fish exclusively salt, water, so more juice isn’t bad battling the current I guess
Posted on 8/10/23 at 6:25 am to GeekedUp
Well for one you get 100% output until it dies.
I have a 100 for my kayak. Used to have a lead 36. The 100 is lighter and have used it for an entire weekend in rivers and was still go sunday night. Charge time is also quicker.
I have a 100 for my kayak. Used to have a lead 36. The 100 is lighter and have used it for an entire weekend in rivers and was still go sunday night. Charge time is also quicker.
Posted on 8/17/23 at 11:45 am to GeekedUp
I just ordered a 36v 100ah lifepo4 battery for $766 shipped to me from china. I will report back to you guys with the results... 
Posted on 9/6/23 at 2:55 pm to jsmoke222000
quote:Any updates on this? Is there any difference between 3 50ah 12v and one 36v 100ah ?
just ordered a 36v 100ah lifepo4 battery for $766 shipped to me from china. I will report back to you guys with the results...
ETA: I meant 100ah vs 100ah, not 50.
This post was edited on 9/6/23 at 3:15 pm
Posted on 9/6/23 at 3:08 pm to Uncle JackD
quote:
Is there any difference between 3 50ah 12v and one 36v 100ah ?
AH will be doubled. Not stronger voltage but lengthened output.
Posted on 9/6/23 at 3:10 pm to Saskwatch
So I’ll get longer run times going with three 12v 100ah vs one 36v 100ah? I’m confused by this
Posted on 9/6/23 at 3:36 pm to Uncle JackD
quote:
I’ll get longer run times going with three 12v 100ah vs one 36v 100ah?
No... You originally had 50AH vs 100AH. 100AH would effectively be double the run time as it has double AH to expend.
The difference between 3x12v 100AH vs single 36V 100AH would likely be dimensions and weight. Both would have same voltage and AH. The 3x12v system would allow you to replace a single 12v battery at a time should something go wrong with the batter. Single 36v battery you'd have to replace the whole thing which would be more costly.
If it were me i'd probably go with the single battery. Less connections and charge leads to deal with. I think they're all pretty reliable these days.
Posted on 9/6/23 at 3:53 pm to Saskwatch
You also need different chargers and they aren't cheap. It looks like you need a 36V charger to charge a 36V and you need a charger that can do 3, 12V for that situation.
I'm looking into it now, but it seems like going cheap with 3 12v is both cheaper and possibly less risky as I can replace one battery in 2-3 years if I have an issue instead of a 36v potential issue knocking me out completely?
I'm looking into it now, but it seems like going cheap with 3 12v is both cheaper and possibly less risky as I can replace one battery in 2-3 years if I have an issue instead of a 36v potential issue knocking me out completely?
Posted on 9/6/23 at 4:05 pm to baldona
quote:I upgraded to the Minn Kota PC when ordering my boat. It charges lithium batteries on the AGM setting perfectly.
and you need a charger that can do 3, 12V for that situation.
Posted on 9/6/23 at 4:19 pm to Saskwatch
Gotcha. What’s the going rate for a 36v 100ah setup? For those who already have lithium, is 50 enough or do you recommend 100Ah?
Posted on 9/6/23 at 4:35 pm to AlxTgr
quote:
I upgraded to the Minn Kota PC when ordering my boat. It charges lithium batteries on the AGM setting perfectly.
Absolutely, but it was designed also for 12v systems right? What I mean is that if you upgrade to the 36v single battery many people will need a new charger that's designed for 36v as most 3-12v chargers are not?
Posted on 9/6/23 at 4:50 pm to baldona
quote:Absolutely.
What I mean is that if you upgrade to the 36v single battery many people will need a new charger that's designed for 36v as most 3-12v chargers are not?
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