Yesterday extra PV and SE battery were added.   SE battery not commissioned yet but apparently charging from solar ( I can't see this yet as commissioning needs to be done ).   SE Battery quite a chunky monkey. Apparently the top 20% of it is an automatic fire extinguisher ( so I was told by installer ).   Because I have a PW2 as well when Tesla app shows Kw from solar it's potentially fibbing as it could be nicking lecky from SE.   None the less some stra