offgrid

Anybody know if the airbags are going to replace the whole coil over system on the CT or any updates?

I live offgrid with no connection to external electricity provision. I have a 7 year old 10KW offgrid solar system with 1800ah 2V gel batteries which has perfectly run the whole property but has gotten down to 40% charge after a week of bad weather. I don't have a backup generator, quoted about...