AC200Max charging and discharging

Hello, I have the AC200Max and the B230 expansion. I use them just for my home in case of a power outage.
I’m a bit confused as far as how to store them when not in use. Should I leave them completely discharged and then charge to 100% if a storm is coming, or should I always leave them at about 80% and discharge them then recharge to 100% every few months?

@rgeorgehes Firstly, you should never leave the batteries completely discharged for more than 24 hours. If you plan to store the units unused for a few months, most of the included user manuals recommend you charge them 60 to 80% and check that they stay in this range every 3 months, recharging to the 60-80% if required. Leaving them fully charged for long periods is also not recommended.

Hope this helps?