✅ SOLVED Anybody know what the inside of a car battery looks like?

[parsonwalker]

That's what somebody suggested this was. The top "post" is indeed a perfect fit inside a battery cable . . . ? It's 100% lead.

 

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[Anduril]

I agree.
It looks like a lead-acid automotive battery post.

See this video (@ 2:00 minute mark)


I didn't watch it myself, just skimmed it for you.
With any luck, it will tell you which polarity it came from, positive or negative.
If I recall correctly, one of them (negative, I think?) is a slightly smaller diameter - so you can't easily mix them up.

 

[osage express]

Yep i would say so.The grooves would hold it in the case .

 

[parsonwalker]

I think you guys confirmed it. Thanks!