I did some investigate over the Alpicool C20 and it seems to use at most 72Ah @ 12V per 24h, that is 864 watt-hrs. I’d hope it to use slightly below that since it won’t be operating the compressor 24/seven. There https://prestonprgc367516.widblog.com/85501049/the-definitive-guide-to-best-portable-power-station