At what point in history could you charge your cellphone? In this video I explore the history of the first practical battery: the Daniell Cell, and figure out what it would take to use it to recharge ...

A set of six Daniel wet cell batteries in a wooden tray. Marked: "M1E7 / GY16" (Columbia University property marking); the ivory nameplate reads: "Elliott Bros. / 449 Strand / London." The battery ...