The LG Prime is an NMC chemistry Lithium I believe. It probably needs as
much protection as possible from thermal runaway as it is a definitely
not as safe as LFP Lithium. I hope I am wrong but that is what I know
at this time.
The first system I saw that met UL9540 was the pairing of Discover AES
and Schneider electronics. Others should be doing this and maybe are.
The LG is an all in one battery and inverter and similar to Tesla
Powerwall right?
https://blog.discoverbattery.com/discover-battery-aes-lifepo4-battery-certified-ul9540-for-solar-energy-storage-systems
I think you are right about 9540A from a quick look.
Dave Angelini Offgrid Solar
"we go where powerlines don't"
http://members.sti.net/offgridsolar/
e-mail offgridso...@sti.net
text 209 813 0060
On 2023-01-25 8:35 pm, Scot Arey via RE-wrenches wrote:
A new inspector asked a new question.
From my studies tonight it looks like UL9540A is not a listing but a
test standard and in fact UL has a database of batteries that have been
test to the A standard which according to UL can allow (with AHJ
approval) less than 3-feet separation between batteries.
The database not the easiest and LG is in there but cannot ascertain if
for the Prime 16 so thought I'd share what I've learned and ask if
others run across same.
The IRC 328 section requires UL9540. But it also requires 3-feet unless
tested in fire conditions for battery to battery inducement of thermal
runaway. Anybody have any insight or recommendations?
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