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Old 05-05-2019, 14:23   #1
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Lithium batteries that are “low” profile

I have 2 ea 140 ah normal lead batteries in my Dufour today. They are toast and I am very tempted to put in lithium batteries instead of buying new leads. I’ve read a lot of the threads and articles about how lithium and think I start to grasp what I need but now my problem is that the battery compartment is very limited in height. It’s 1070x223x240 mm where 223mm plus maybe 20mm for the terminals is the height that have clearance. Rebuilding this or moving the battery bank feels like a to big job. Anyone have any ideas on lithium cells that are wider than they are high? Most smaller cells for example 100ah and 180 ah I found out there are 270-300mm high. I thought about positioning the cells laying down but then the standard connectors (that I understand is kind of vital) doesn’t really fit to put 4+4 cells together. Ideas?
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Old 05-05-2019, 23:43   #2
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Lithium batteries that are “low” profile

Check out the Winston LiYFePO4 cells, there are several options between 90 and 130 Ah that are less than 200 mm high.
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Old 07-05-2019, 13:32   #3
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Re: Lithium batteries that are “low” profile

Thanks i ended up buying winston cells that where 218mm high.
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Old 07-05-2019, 15:58   #4
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Re: Lithium batteries that are “low” profile

Link to source, delivered pricing?
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Old 07-05-2019, 16:16   #5
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Re: Lithium batteries that are “low” profile

john, john, john,
I found this in about 20 seconds on the internet.



Winston Battery is rare earth lithium yttrium power battery.
Winston Battery lithium LiFeYPO4 high power cells. - The Winston Battery products offer high power solutions for all kinds of lithium cell applications.
90AH Winston Battery Cell
Model: WB-LYP90AH
Nominal Capacity: 90AH
Operating Voltage: 2.8V~4.0V
Weight: 3.0kg±50g
Dimensions: 143×61×218(mm)
$113 each





https://winston-battery.en.made-in-c...4-Battery.html
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Old 07-05-2019, 16:26   #6
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Re: Lithium batteries that are “low” profile

I am intimately familiar with the batteries themselves thanks, but what I asked for - from @flod - still stands. The point is delivered pricing and sales / distribution channels, ideally based for warranty return purposes in the US.

I prefer to avoid doing the import process myself, especially all the way from China.

But thanks for the kind intentions.
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Old 07-05-2019, 19:21   #7
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Re: Lithium batteries that are “low” profile

While others do just that, but thanks for your concerns.
You were looking for a 29 foot boat a while back, did you ever buy one?
Do you even have a boat, or lithium cells in anything but maybe tool or a phone?
Just asking... (crickets?)
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Old 07-05-2019, 20:38   #8
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Lithium batteries that are “low” profile

I Bought from Czech republic. 90 dollar ADR freight within the EU. Shipped the same day. I hope to buy these one time in 10 years so I’m not very concerned with saving that last dollar on the price.
https://www.ev-power.eu/Winston-12V-...ing.html?cur=1
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Old 08-05-2019, 02:54   #9
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Re: Lithium batteries that are “low” profile

Thanks for that €90 is a cheap delivery cost. But last I tried, they don't ship here, I think most EU vendors don't want the stateside hassles.

And yes in general, trying to get lowest price usually does not get best value, certainly in this niche market.
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Old 08-05-2019, 08:42   #10
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Re: Lithium batteries that are “low” profile

The lack of an answer is, of course my answer.
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