I did some exploration about the Alpicool C20 and it seems to employ at most 72Ah @ 12V per 24h, that's 864 watt-hrs. I’d hope it to employ a little bit below that because it received’t be working the compressor https://albiefsva272829.life3dblog.com/28855697/best-portable-power-station-can-be-fun-for-anyone