The Parthian Battery or Baghdad Battery is one of the most fascinating inventions of the ancient world preceding the batteries we use today.

In 1936, four 5-inch-tall ceramic jars were found about 20 miles southeast of modern-day Baghdad, and these mysterious ... is filled with a weak acid, the “battery” makes about 1 volt of ...

This is why the jars have been dated to one of those periods, though no exact date has been determined. Diagram of the Baghdad battery. Credit: Chatsam / Wikimedia Commons It was the Austrian Wilhelm ...

The Baghdad Battery is believed to be about 2000 years old (from the Parthian period, roughly 250 BCE to CE 250). The jar was found in Khujut Rabu just outside Baghdad and is composed of a clay jar ...