I'm also running the EG4 server rack 24V 200 Ahr batteries with my old
Outback VFX 3524, Classic 250 and
Morningstar Genstar 100, all open loop with no problem. It's all a
matter of getting the charge settings right and
checking on the cell balance periodically.
I'll be playing around with programming the Genstar for closed loop
soon, should be fine but then, what to do
with the Classic.....we'll see how it goes.
Roy Butler
Four Winds Renewable Energy, LLC
8902 Route 46, Arkport, NY 14807
607-324-9747
Education is when you read the fine print; experience is what you get when you
don’t.
“The less people know, the more stubbornly they know it.”
He who asks a question is a fool for a minute. He who does not ask is a fool
for life
Although no trees were killed in the sending of this message,
a large number of electrons were terribly inconvenienced.
On 12/17/2025 2:51 PM, Mac Lewis via RE-wrenches wrote:
I have used EG4 24V 200Ahr server rack batteries with the same
equipment and it works fine. It will do closed loop with Victron if
that happens in the future.
Good Luck!
On Wed, Dec 17, 2025 at 11:46 AM Jay via RE-wrenches
<[email protected]> wrote:
Hi Chris
I have dozens of people with open loop lithium and older Outback
equipment All work flawlessly
There still is some incorrect information about the LBCO not
working with LFP. That I believe dates from some older LFP designs.
All the newer 16 series prismatic LFP work fine with LBCO/outback.
As well as all the charge parameters.
Jay
On Dec 17, 2025, at 9:54 AM, Chris Daum via RE-wrenches
<[email protected]> wrote:
Dear people:
We have a customer in Henryetta, Oklahoma, and he’s been buying
various equipment from us over the years. He’s elderly, a
veteran, and a believer in solar power. But he’s been having
battery problems (he’s got twelve 6V L16 types at present) and is
interested in moving up to LFPs. He’s got an Outback VFX3524,
FM60, MATE3S, Hub4 and the usual accoutrements. If he wants to
go with LFPs, what are your suggestions – and also how might it
integrate with his 3-year old inverter? I suspect he will be
unwilling to spend a chunk of change on a new inverter. All
advice is welcome!
Best,
Chris Daum
Oasis Montana Inc.
406-777-4309
406-777-4309 fax
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