Hi, I'm about to purchase two powerwall 2 for my home, but before I sign the contract I'm trying to do my due diligence to get info on the cell chemistry. My goal with these two batteries is to use them 100% only for power outages, with Edison threatening to shut down power in high wind scenarios which is frequent but they have not shut power yet in the area i would like to have backup power since the generac generator did not work out due to city setback rules for permits. I already have a solar system, oversized so I'm never going to use the battery to offset costs. It will strictly be used for backup power only. I would like information on charging and storing powerwall 2 battery charged at 100% with minimal cycles and degradation over time. There is a pretty good chart i pulled from a youtube video showing Telsa model 3 battery info but this depicts thousands of cycles. I'm familiar with Li chemistry to know charging at 100% is not ideal but the rate of degradation is very much dependent on the cell chemistry and software managing the battery. Not knowing much about the powerwall 2 I'm hoping someone here might have some with a similar chart. The dilemma is at 80% charge I'm giving up 20% capacity for those hot summer days when the AC is on so I would like to know what the actual rate is and make a determination on what to leave the battery charge level do daily until it is needed.