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Started By
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Trolling motor batteries - Lithium, or no way? Update: Did not pull trigger yet
Posted on 1/24/22 at 7:32 am
Posted on 1/24/22 at 7:32 am
Need to replace 24v system with new batteries. AGMs preferable but still not too scairt of lithium. Dakota Lithium has a pretty sweet setup, 24V for around $1500. AGM Group 31 about 300 ea, and much heavier and won't last as long. OBs opinion?
After all the good discussions and a TON of great info I went with (for the time being) 2 AGM batteries and will explain. We are only in the keys part time and as much, or little, I use my boat I felt AGMs would work for me now and I found 2 100aH batteries for about 300 total. I will eventually get the LiFePO batteries.
After all the good discussions and a TON of great info I went with (for the time being) 2 AGM batteries and will explain. We are only in the keys part time and as much, or little, I use my boat I felt AGMs would work for me now and I found 2 100aH batteries for about 300 total. I will eventually get the LiFePO batteries.
This post was edited on 2/8/22 at 9:57 am
15
Posted on 1/24/22 at 7:37 am to canyon
I have 3 small lithiums. They sell for about $80 each on Amazon. I forget the model. But I have a 21nfoot frontier with 36v. If the boat was alot larger or I had 24v I would likely run out of juice during a day I would think.
Posted on 1/24/22 at 7:38 am to canyon
Get Duralast batteries at the Walmart or Sam's. Cheap and you can replace for free if anything happens.
Posted on 1/24/22 at 7:42 am to LEASTBAY
Thanks. I have a 22' Pathfinder, and use the motor mostly reef fishing. Any issues with them? No fires, lol?
Posted on 1/24/22 at 7:43 am to aTmTexas Dillo
Am looking at that option too. Batteries are a bit scarce down here right now.
Posted on 1/24/22 at 7:45 am to canyon
No problems and they last all day. They are those black compact lithiums you see. Guy I bought the boat from had them installed. Last all day. I've had the boat a few years now and still going strong. Thought I would have had to replace them by now but haven't
Posted on 1/24/22 at 7:47 am to canyon
My boats a tank so 3 batteries doesn't make a difference on performance.
Only reason I see to switch over is if the weight difference is enough to change the performance of the boat.
Only reason I see to switch over is if the weight difference is enough to change the performance of the boat.
Posted on 1/24/22 at 7:53 am to canyon
A good lithium ion battery should last 10+ years if properly maintained.
It’s best to leave it in the 40-90% charged range. Any lower than 40% and any higher than 90% and you begin to degrade the batteries faster.
I won’t own a boat without lithium batteries from here forward.
It’s best to leave it in the 40-90% charged range. Any lower than 40% and any higher than 90% and you begin to degrade the batteries faster.
I won’t own a boat without lithium batteries from here forward.
Posted on 1/24/22 at 7:54 am to snapper26
I have 4 batteries within the console. If I can shave 145 pounds with two batteries it will help.
Posted on 1/24/22 at 7:54 am to canyon
Lithium Iron is OG, you can drop 100# of boat weight
Posted on 1/24/22 at 7:55 am to reds on reds on reds
Good to hear. Believe me, I like all I'm hearing on them. Was gonna pull the trigger last year but chickened out. It may be time.
Posted on 1/24/22 at 8:00 am to aTmTexas Dillo
quote:
Get Duralast batteries at the Walmart or Sam's. Cheap and you can replace for free if anything happens.
For cranking batteries I agree but not for trolling motors...also Ever Start. Duracell has a good "hybrid" battery; a friend of mine speaks highly of them and I think you get them at Sams.
ETA: As far as lithium I think we're getting to a good point price wise. What a lot of people will have to do is change out their on-board chargers as well. Not sure if mine charges lithium or not. Also if you're motors (trolling or cranking) are under warranty some manufacturers don't want you using lithium.
This post was edited on 1/24/22 at 8:40 am
Posted on 1/24/22 at 8:57 am to Wtodd
quote:
What a lot of people will have to do is change out their on-board chargers as well
Yep, this is what got me. I was fully ready to go lithium as everyone I have talked to who has them won’t go back to regular batteries. If I hadn’t just Bought and installed a new Minn Kota digital charger I would have bought lithium batteries last summer. After researching I found that my Minn Kota charger wasn’t rated from the factory for Lithium batteries.
Posted on 1/24/22 at 8:59 am to canyon
I’m looking to upgrade from a 12v to 24v trolling motor and I’m looking into going the lithium route also. 2 12v 50ah should do the trick?
Posted on 1/24/22 at 9:19 am to Mister Bigfish
My on board charger can stay for the house battery. The lithium charger can be installed pretty easily.
Posted on 1/24/22 at 9:21 am to tke_swamprat
Should. 50 aH is about midway, I was looking at 100aH.
Posted on 1/24/22 at 10:34 am to canyon
No real down side to lithium, especially for TM. Prices are really dropping too. About to add one as an electronics only battery. When my AGM crank goes out, I'll go Ionic 125 for that as well.
Posted on 1/24/22 at 10:57 am to canyon
Lithium 100%. You can order them on dhgate or aliexpress.
Posted on 1/24/22 at 11:09 am to canyon
I replaced my motorcycle batteries with lithium. Was skeptical at first but 5 years later the lithium battery is still way better than the old style batteries are. So much easier to maintain when not using as well.
I have read that the lithium batteries can be susceptible to water damage though so you need to take that in to consideration for boats. Not much of an issue for me since I rarely if ever ride in the rain unless I get caught by surprise.
I have read that the lithium batteries can be susceptible to water damage though so you need to take that in to consideration for boats. Not much of an issue for me since I rarely if ever ride in the rain unless I get caught by surprise.
Posted on 1/24/22 at 12:49 pm to Bearcat90
quote:
I have read that the lithium batteries can be susceptible to water damage though so you need to take that in to consideration for boats.
Wait what?
A marine lithium boat battery doesn't like water? Yeah that could be a problem
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