[RE-wrenches] UL 9540

[Steve Higgins]

The first version of UL9540, maybe the 2nd as well... but the current
version of UL9540 split this up...


*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 Sat, Oct 25, 2025 at 9:53 AM jay via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Hi All,
>
> Is there a new regulation ( or one I just wasn’t aware of)  that the
> inverter is supposed to be listed with the batteries for the UL 9540 to be
> approved?
>
> thanks
>
> jay
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