Yeti 6000 DC Battery Warmer?

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hgpilot2
hgpilot2 Member Posts: 1

Anyone ever experimented with a 12 volt battery warmer (with cig adapter)? Love my Yeti 6000 in my van but when in the extreme low temps of Wyoming and Idaho the battery shuts down because it gets so cold. Didn't know if there was a good option for a low power 12 volt battery blanket that anyone has been able to find / have luck with?