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Search took 0.00 seconds. Search: Posts Made By: booster
Forum: Electrical | Charging, Systems, Solar and Generators 12-07-2022, 01:32 PM
Replies: 61
Views: 7,828
Posted By booster
I did some reading on the topic of cold damage...

I did some reading on the topic of cold damage last night. The study mentioned earlier by MobileCabin was in 2021 and seemed to be the defining point of more understanding. Earlier searches before...
Forum: Electrical | Charging, Systems, Solar and Generators 12-07-2022, 12:57 AM
Replies: 61
Views: 7,828
Posted By booster
I seem to remember seeing someplace I don't...

I seem to remember seeing someplace I don't recall saying it was some sort of damage to the cells themselves on the the cathode or anode. Some kind of growth, I think. I wish I had saved a link to...
Forum: Electrical | Charging, Systems, Solar and Generators 12-06-2022, 11:39 PM
Replies: 61
Views: 7,828
Posted By booster
I think that it should be brought out that it is...

I think that it should be brought out that it is highly, highly unlikely, assuming the -4*F safe to store temp is largely correct, that there is a hard cutoff at -4* or at -40* if that is more...
Forum: Electrical | Charging, Systems, Solar and Generators 11-29-2022, 02:23 PM
Replies: 61
Views: 7,828
Posted By booster
I think a lot of the questions of the -40*...

I think a lot of the questions of the -40* storage come from the idea that in the early days of lithium almost all the manufacturers claimed that kind of low temp ability, but now many/most of them...
Forum: Electrical | Charging, Systems, Solar and Generators 11-26-2022, 11:52 PM
Replies: 61
Views: 7,828
Posted By booster
Here is one of their tech sheets from 2011 that...

Here is one of their tech sheets from 2011 that is for the Magnesium lithium battery.

...
Forum: Electrical | Charging, Systems, Solar and Generators 11-26-2022, 11:41 PM
Replies: 61
Views: 7,828
Posted By booster
I think I remember something from quite a while...

I think I remember something from quite a while ago. Valence was acquired by I assume the present owner and the chemistry was changed from the original Valence formulation to new owners chemistry...
Forum: Electrical | Charging, Systems, Solar and Generators 11-26-2022, 10:12 PM
Replies: 61
Views: 7,828
Posted By booster
I think it is highly likely that is the case as...

I think it is highly likely that is the case as not a lot of users are going to be storing below zero and even if the cold shortens life the batteries may still make it through the warranty period.
...
Forum: Electrical | Charging, Systems, Solar and Generators 11-26-2022, 10:53 AM
Replies: 61
Views: 7,828
Posted By booster
On page 3 they show the -40C, so they must still...

On page 3 they show the -40C, so they must still be saying that, at least in June 2021.
Forum: Electrical | Charging, Systems, Solar and Generators 11-24-2022, 02:31 PM
Replies: 61
Views: 7,828
Posted By booster
I also found the old ones that said the -40*C and...

I also found the old ones that said the -40*C and an MSDS from 2021 that didn't address it. The format was similar but not identical to the one you showed and it was one battery specific. It only...
Forum: Electrical | Charging, Systems, Solar and Generators 11-24-2022, 01:36 PM
Replies: 61
Views: 7,828
Posted By booster
In the early days many said -40* was OK for their...

In the early days many said -40* was OK for their lithium batteries, but pretty soon many/most went to the -4*F as lowest storage, I think. Valence was an outlier at that point by staying at -40*.
...
Forum: Electrical | Charging, Systems, Solar and Generators 11-22-2022, 01:48 PM
Replies: 61
Views: 7,828
Posted By booster
You live in Minnesota, as do I. How are you...

You live in Minnesota, as do I. How are you going to power the heaters if it is stored outdoors in the winter. Many battery manufacturers who are in the know are saying no long term storage under...
Forum: Electrical | Charging, Systems, Solar and Generators 05-09-2022, 01:00 PM
Replies: 61
Views: 7,828
Posted By booster
Here is the 11 year warranty details. Leaves...

Here is the 11 year warranty details. Leaves them all the ways to get out of a claim such as "negligence and misuse" usage that is undefined. It doesn't state what "wear and tear" capacity limits...
Forum: Electrical | Charging, Systems, Solar and Generators 05-09-2022, 01:46 AM
Replies: 61
Views: 7,828
Posted By booster
You might also want to ask them what the minimum...

You might also want to ask them what the minimum storage temp without heaters on is. Many of the suppliers of the better lithium systems are specifying no colder than -4*F for storage.
Forum: Electrical | Charging, Systems, Solar and Generators 05-08-2022, 10:21 PM
Replies: 61
Views: 7,828
Posted By booster
Does the outside storage have electricity to run...

Does the outside storage have electricity to run the battery heaters if needed?
Showing results 1 to 14 of 14

 
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