this is a compressor fridge equivalent https://inlanderlowvoltage.com/product/12v-lec-tabletop-fridge/ , much more efficient but a bit dearer, there are larger models though.
Alternatively something like this https://www.amazon.co.uk/Dellonda-Portable-Compressor-Freezer-Camping/dp/B08CPWXQS3/ref=sxin_14?asc_contentid=amzn1.osa.97f2eb76-3d7f-4216-826f-d933b60d59a3.A1F83G8C2ARO7P.en_GB&asc_contenttype=article&ascsubtag=amzn1.osa.97f2eb76-3d7f-4216-826f-d933b60d59a3.A1F83G8C2ARO7P.en_GB&creativeASIN=B08CPWXQS3&cv_ct_cx=12v%2Bcompressor%2Bfridge&cv_ct_id=amzn1.osa.97f2eb76-3d7f-4216-826f-d933b60d59a3.A1F83G8C2ARO7P.en_GB&cv_ct_pg=search&cv_ct_we=asin&cv_ct_wn=osp-single-source-pecos-desktop&keywords=12v%2Bcompressor%2Bfridge&linkCode=oas&pd_rd_i=B08CPWXQS3&pd_rd_r=7c9dd947-b4dc-4e7b-a264-1de9eea935f6&pd_rd_w=opNnl&pd_rd_wg=xTZJG&pf_rd_p=902430b3-df66-4df2-8fce-28f7ad2204c5&pf_rd_r=AGXZ36JHZ4SQXH529Y9N&qid=1638051755&sr=1-3-c84eb971-91f2-4a4d-acce-811265c24254&tag=whatsthebestosp-21&th=1
Or if you have a reasonable size (1000w up) pure sine wave inverter an efficient mains fridge would work but you would need to do some homework on how much extra current the inverter takes.