[RE-wrenches] Trace Power Series inverter question

[August Goers]

I can't vouch for how they work, but there are a slew of LFP batteries on
the market that seem to be targeted towards being installed in place of old
lead acid batteries. They include built-in BMS to help with charging
control.
August




On Wed, Apr 22, 2026 at 11:15 AM Steve Higgins via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> If you could dig up the old SWRC, that would work as a display.   As for
> working with LFP... It's hard to say, but it's based on the old SW's and
> should be configurable to charge LFP's... the only thing I don't know is
> if it'll handle the quick voltage rise as well as the old SW's will.
>
> Might be a good idea to take a look at one of the newer Victron 12V
> inverters...
>
>
>
>
> *Steve Higgins* *⋅* *Technical Services Manager*
> *t* +1.902.597.4020   *m* +1.206.790.5840
> *f* +1.902.597.8447   *e* steve at surrette.com
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>
> On Wed, Apr 22, 2026 at 11:00 AM William Miller via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> The PS inverters (buzz-masters, as we call them) do not have a display. A
>> display would be necessary to even attempt to set up for lithium. One could
>> obtain a display in the past but doing so now may be iffy. It may be
>> possible to use a display from an old SW. I am not clear on that.
>>
>>
>> William Miller
>> Miller Solar.com
>> 805-438-5600
>> www.millersolar.com
>>
>>
>> On Wed, Apr 22, 2026 at 10:52 AM Chris Daum via RE-wrenches <
>> re-wrenches at lists.re-wrenches.org> wrote:
>>
>>> Hi folks:
>>>
>>>
>>>
>>> Some of these antiques just won’t die.  I have a fellow with a Trace
>>> PS2512 in his RV (lightly used).  He’s very interested in lithium batteries
>>> – there is no PV in this system; his battery charging is done by shore
>>> power or generator.  Is there any sort of remote that will work with his
>>> old beast, so he can accommodate the LFP technology?  Or is he doomed to
>>> upgrade his inverter?   Any advice is very helpful.  Of course, the manual
>>> for the PS series doesn’t mention LFP technologies!
>>>
>>>
>>>
>>> Best,
>>>
>>>
>>>
>>> Chris Daum
>>>
>>> Oasis Montana Inc.
>>>
>>> 406-777-4309
>>>
>>> 406-777-4309 fax
>>>
>>> www.oasismontana.com
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