this post was submitted on 01 May 2025
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What is this thing?

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Thought it might be a battery pack at first so I wasn’t going to touch it but it appears to be plastic.

Possibly broken at the top? Unsure.

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[–] [email protected] 12 points 2 weeks ago* (last edited 2 weeks ago)

Yeah, also knows as a 4R25 6V battery, or the battery from a "24 hours lamp" (from way back when they still used lightbulbs, they last weeks now on LEDs). Those lanterns are used a lot in marine work and roadworks. Having one land in the sea is entirely common.