Emergency backup and daily power distribution/arbitrage/peak offset are different use-cases entirely. Also the not-produced platinum model you reference will s

Emergency backup and daily power distribution/arbitrage/peak offset are different use-cases entirely. Also the not-produced platinum model you reference will sell for 150k+ so the price comparison isn't really valid either. Lastly, home batteries have the potential to pay for themselves over time, making the economic models radically different.