TonyD

I used a Blue Nova BN 13V-8-104Wh 10C drop in replacement in a D5 for 8 month with load shedding before we moved from that house - saw no degredation at all in that time, using the D5 standard circuits. It's a bit pricey (and I see TakeALot are out of stock again) but if you can get them, they are worth it IMHO.

I believe that I could, yes - not drive the relay from a device but add a relay driven by transformer off grid power and test through the relay using the mini - I was just hoping for a slightly cleaner solution.

Hi, I have a pair of Sunsynk 5.5Kw inverters - currently no solar but will be soon. I am looking for a way to signal that power is down to my Sonof installation using a NO or NC signal to a Sonoff mini. I thought that it would be possible through the Gen Start (pins 7,8) on the master but they seem to be permanently closed regardless of settings and the combination of settings to make it work eludes me. Any suggestions? Tx, Tony