I think the key bit is under Alternative hypothesis: https://en.m.wikipedia.org/wiki/Baghdad_Battery#Alternative_hypothesis https://en.m.wikipedia.org/wiki/Bag

I think the key bit is under Alternative hypothesis: https://en.m.wikipedia.org/wiki/Baghdad_Battery#Alternative_hypothesis https://en.m.wikipedia.org/wiki/Baghdad_Battery#Alternative_... The artifacts strongly resemble another type of object with a known purpose – storage vessels for sacred scrolls from nearby Seleucia on the Tigris. In March 2012, Professor Elizabeth Stone of Stony Brook University, an expert on Iraqi archaeology, . . . stated that she does not know a single archaeologist who believed that these were batteries.