[RE-wrenches] LFP storage

[Darryl Thayer]

Listen to Larry, he is on target.

On Sat, Jan 3, 2026 at 1:34 PM Darryl Thayer <darylsolar1 at gmail.com> wrote:

> I have some experience. I have a customer that had a parasitic load on for
> 3 years, I warned him, now he wants to use the battery and it is dead and I
> can not get them to recharge,  Another customer with the same battery has
> had them on float, at 80% of full charge voltage battery works fine.
>
> On Fri, Jan 2, 2026 at 1:35 PM Jay via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> Hi all
>>
>> I’m wondering what the consensus is on storing LFP battereis like for a
>> lightly used RV.
>> A customer was asking me and I just don’t have a solid answer.
>>
>> Some companies say drain to 50%
>> Others say it’s ok to charge to full, just don’t keep them on a charger.
>>
>> For example if you have a lightly used stand alone system that’s full
>> every day for many hours, it would seem that’s just like charging up to
>> full but keeping it in float.
>>
>> Thanks in advance
>>
>> Jay
>>
>>
>>
>>
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