I did some exploration on the Alpicool C20 and it appears to make use of at most 72Ah @ 12V per 24h, that's 864 watt-hrs. I’d anticipate it to make use of slightly lower than that as it won’t be jogging the https://leavkqi420833.thelateblog.com/31020340/best-portable-power-station-no-further-a-mystery