But the voltaic pile was expensive and could be messy.
British Dictionary definitions for voltaic pile
an early form of battery consisting of a pile of paired plates of dissimilar metals, such as zinc and copper, each pair being separated from the next by a pad moistened with an electrolyte Also called pile, galvanic pile, Volta's pile
voltaic pile A source of electricity consisting of a number of disks that alternate between two different metals and are separated by acid-moistened pads, forming a set of galvanic cells connected in series. See more at galvanic. See Note at battery.