Wasn't there an Egyptian battery found in Bagdad, Iran that predates this?<br>Long dead and perhaps used for jewelry.,(reply>), @Jorg Jorgensen You are probably correct. Still, they are unusual relics. Perhaps attempts we will never know.,(reply>), No. There were some rods and clay jars found and some people called them batteries. There is no proof they were actually batteries and if they were, they were not functional in the state they were found in.