Run them seperate. Client has to be willing and smart enough to make
this work or you will be really exposed. I would not do this myself but
I could if I had to.
He and you will need to be good at Insight to get the BMS data from 2
very different banks of very different age.
Good Luck !
Dave Angelini Offgrid Solar
"we go where powerlines don't"
[2]https://offgridsolar1.com/ [3] [2]
e-mail [email protected]
text 209 813 0060
On 2025-10-14 3:18 pm, Mick Abraham via RE-wrenches wrote:
Hi, Wrenchies~ I sold one E-Vault Classic cabinet to an off-gridder in
2021 (18.5 kWh rated). He set it up open loop even though he's got
Schneider XW Pro. Now he'd like more storage and asked for a quote on
one EG4LL-S cabinet, fully loaded (30.7 kWh).
Surely he would have to stay open loop if these two brands are
combined. Both brands have 16 cells in series = 51.2 nominal volts.
However, EG4 documentation calls for 56.2 volts Bulk & Fortress calls
for 54.4 volts Bulk.
War stories or suggestions welcomed; thanks in advance. The Wrench List
is the Bomb!
Mick Abraham, Proprietor
www.abrahamsolar.com [1]
Cell phone or for text messaging: 970-946-6584
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