It's a frequently asked question. Search is your friend. Here are a few threads to look at:
https://www.jaycoowners.com/forums/f18/absorption-fridge-replacement-to-12v-or-120v-107026.html
https://www.jaycoowners.com/forums/f30/fridge-died-106744.html
https://www.jaycoowners.com/forums/f18/12v-fridge-or-the-gas-absorption-fridge-105237.html
https://www.jaycoowners.com/forums/f5/norcold-n8x-99101.html