Portable ice maker

you can bag it, and store it in your freezer.

but not an ice chest. who wants to spend the entire camping trip. pouring water

in and emptying out ice

Love ours, keeps our ice chest full. :)

Was hesitant at first but due to DWs insistence got our first one three years ago love them. Best if you a have a place to harden the ice. Lacking that it can melt pretty quick

Yes and we produce enough ice to share with neighbors.

Here's some threads on portable ice makers.