Search results

I was told that the recently released rev3 of 9540 changes this. It defines an AC-ESS (which is inverter+battery) and also a DC-ESS which doesn't require the inverter. The DC-ESS has to include all applicable safety requirements on its own of course.

@SignatureSolarJames, will the 9540 cert in September only cover the combination with an EG4 inverter (presumably the 18k)? Or will it cover any other inverter combinations? I really like this battery and would like to use it, but I'm required to have 9540 and I already have a Sol-Ark 15k...