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Author Topic: Lithium 100 ah battery  (Read 6898 times)

Jethro

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Re: Lithium 100 ah battery
« Reply #105 on: May 19, 2021, 09:50 AM »
Are those AGM batteries? Something isn't right. I have an Interstate regular deep cycle battery in my dump trailer and plugged in the onboard trickle charger for 24 hours and was surprised even though it showed a full charge, it was only 47% on my portable charger. I pulled the battery and charged it on a real charger. How long was it on the Minn Kota charger?

Mine are standard wet cell batteries. I always plug in the boat right when I get home and leave it overnight. This is using Minn Kotas 3 bank Precision Digital MK330PC charger, I have been told it's a good one but maybe it's got an issue.


lowaccord66

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Re: Lithium 100 ah battery
« Reply #106 on: May 19, 2021, 11:46 AM »
Here you go Jethro...hard core agm batteries with better amp hours than the noise Mac is pushing...designed to run electric outboards...

https://www.elcomotoryachts.com/product-category/accessories/batteries/

I may actually upgrade!  36v with over 600 amp hours is wickedly impressive.

swnoel

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Re: Lithium 100 ah battery
« Reply #107 on: May 19, 2021, 11:53 AM »
Mine are standard wet cell batteries. I always plug in the boat right when I get home and leave it overnight. This is using Minn Kotas 3 bank Precision Digital MK330PC charger, I have been told it's a good one but maybe it's got an issue.


I have a Schummacher charger that when connected tells me what the battery charge is. I also have that same Minn Kota charger ... I believe I read somewhere it takes more than overnight to fully charge a discharged 100 ah battery. I don't believe your batteries were fully charged.

Jethro

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Re: Lithium 100 ah battery
« Reply #108 on: May 19, 2021, 12:28 PM »

I have a Schummacher charger that when connected tells me what the battery charge is. I also have that same Minn Kota charger ... I believe I read somewhere it takes more than overnight to fully charge a discharged 100 ah battery. I don't believe your batteries were fully charged.

Well certainly possible but it would be strange. Everything worked quite well with how I used it last year, the whole year, then in Sept I started noticing a lot less run time.

Jethro

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Re: Lithium 100 ah battery
« Reply #109 on: May 19, 2021, 12:37 PM »
Here you go Jethro...hard core agm batteries with better amp hours than the noise Mac is pushing...designed to run electric outboards...

https://www.elcomotoryachts.com/product-category/accessories/batteries/

I may actually upgrade!  36v with over 600 amp hours is wickedly impressive.

36v and 600amp hours? Now that's what I'm talking about! I don't see that option on the site though? What I see there it would take 9 of the 220ah batteries for me to get that kind of capacity. Maybe they make something I don't see here?

Mac Attack

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Re: Lithium 100 ah battery
« Reply #110 on: May 19, 2021, 04:06 PM »
https://www.basspro.com/shop/en/tracker-marine-lithium-super-high-output-lithium-deep-cycle-marine-battery


Series 31's at Cabelas/BassPro
100AH
$900 each x 3 = $2700 plus tax and shippng
Hoiwever, pretty quick delivery

lowaccord66

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Re: Lithium 100 ah battery
« Reply #111 on: May 19, 2021, 08:25 PM »
My bad Mac I am actually dyslexic and transposed the numbers on the 120ah unit....

Mac Attack

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Re: Lithium 100 ah battery
« Reply #112 on: May 19, 2021, 08:36 PM »
It’s all good.
I coulda probably been fine with 100-120ah, but I had the cash and didn’t want to take any chances.

lowaccord66

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Re: Lithium 100 ah battery
« Reply #113 on: May 19, 2021, 08:52 PM »
And that's 'merica.  You tempt me with those bass pro units.  However I can't see myself spending that on a boat I paid 9k for.  Maybe the next one.

Mac Attack

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Re: Lithium 100 ah battery
« Reply #114 on: May 19, 2021, 09:19 PM »
Buy them, use them, then move them………….to the next boat…….then to the next………and so on.

Jethro

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Re: Lithium 100 ah battery
« Reply #115 on: May 20, 2021, 08:56 AM »
Well, my batteries are indeed torched, they fail load testing and they are out of warranty. Awesome.


lowaccord66

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Re: Lithium 100 ah battery
« Reply #116 on: May 20, 2021, 09:37 AM »
Well, my batteries are indeed torched, they fail load testing and they are out of warranty. Awesome.

That sucks sorry to read.  However much better than the motor being spent.

Jethro

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Re: Lithium 100 ah battery
« Reply #117 on: May 20, 2021, 09:47 AM »
That sucks sorry to read.  However much better than the motor being spent.

This is true. It's 100% my fault though. I just can't expect to get 12+ hours out of it.

lowaccord66

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Re: Lithium 100 ah battery
« Reply #118 on: May 20, 2021, 12:18 PM »
We've all been there!

Jethro

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Re: Lithium 100 ah battery
« Reply #119 on: May 21, 2021, 10:35 AM »
Hey Mac, don't let that Ulterra contact the ground when the power is on and spin the head! $3000 motor crippled by a $2.31 gear.




 



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