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My Lithiums are in the manufacturers "waterproof" case which I now have inside a plastic storage box with a snap on lid. Cut 2 holes under the collar of the lid for the connection cables. I too lost one due to water and hopefully now won't damage another.
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In reply to Post #9
Thanks for the update
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So an update: Ultramax have replaced the battery, which is very gracious of them. It should be better sealed, being IP65 rated, but clearly wasn't. Hopefully the new one will be good for several years to come, especially as I bought one of these to protect it:
https://www.thecaseshop.co.uk/max-case-max400_4280
I may still add a Fogstar 105ah if they do a deal at any point, and will be looking into solar panel and controller for this year too..
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In reply to Post #5
No they have not said as such but I'm assuming it's just around the seal, I would imagine the connector posts are well sealed.. Having a struggle getting them to send it back to me now too..!
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I have a couple of their baitboat sized 10ah batteries that have been used a lot over the last 2 or 3 years, working fine and decent run time from them both. Obviously these are used inside an enclosed baitboat so not exposed like if you're leaving one outside in all conditions.
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It is many makes of lithium batteries that are prone to damage from moisture, even those that are described as waterproof. I now operate all mine in plastic storage boxes with holes cut in the side to receive the engine terminals. In addition to this I have several silica gel pouches inside both the inner and outer boxes.
So far, so good!
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In reply to Post #4
Any idea where the moisture has got in from.
I know other people on here have these batteries so will be interesting to see what their feedback is like.
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In reply to Post #3
126ah Bluetooth.. Either you're lucky or I'm not, mine was ruined by the storm in September this year..
Probably will replace it with a fogstar on account of the 10 year warranty, and fit it into a case for peace of mind..
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In reply to Post #2
Which one did you have.
I have an 84Ah one I bought last November.
It has been out in all weather throughout winter and summer.
Probably used 50 times including baiting up trips.
I have thought about a protective bag/box.
Will have another look as my main worry has been sunny days.
Also as a general reminder be careful where you charge them and store them as if one ever catches fire there is only one thing to do and that's run.
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In reply to Post #1
As an update, Ultramax won't accept that their batteries are not IP65 rated.
My advice with any of these lithium's is to ensure that they are protected from rainfall and direct sunlight, probably some sort of heavy duty dry bag or perhaps a peli type case.
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Just a heads up, the cases on these ain't sealed well at all, 3 trips with one at over £400 and it is according to them unrepairable, too much moisture inside, 1 year warranty means they won't cover it as it's 15 months old now.. I used it in some pretty torrential weather, but never had it submerged obviously.. Long term I'll be getting a sealed case for it to avoid issues happening again. Maybe other brands suffer the same issue too..
I'll get a Fogstar as a replacement if I can't fix it myself, possibly new BMS off Aliexpress, or some cells, but generally very disappointed with Ultramax after some singing their praises on here..
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