We travel with our car and trailer. It's nice to have a portable battery powered frig/freezer. We always have solar or car power, but finding ice can be a problem. Ice also takes up a lot of space within the cooler.

RYOBI has come out with their new 24Qt Cooler that runs on 18V Ryobi batteries, 12V cigarette sockets, or 110AC. In direct sunlight and 85F outside, with cooler set at 35F in Max mode, it ran for 4 hours with a 9Ah battery. The voltage dropped to 17.4V and the battery still showed 2 bars.

This cooler is not cheap ($499 list price). If you don't already own RYOBI batteries or don't need the portability, there are other vendors that sell larger units at a similar price.

Here are things I used to test:
* Ryobi PI1824QBT (https://www.homedepot.com/p/RYOBIONE...)
* RYOBI 9Amp battery ( https://amzn.to/3kNwS2u )
* 24Liter 40W heater/cooler ( https://amzn.to/3ZkIid4 )
* 44Q ICECO 12V Cooler/freezer/fridge ( https://amzn.to/3mgA07g )
* Load tester ( https://amzn.to/3ycBan8 )

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