BATTERY WITH COVERED PLUG

A battery that includes a housing defining a housing aperture, a battery cell stack positioned in the housing, a plug coupled to the housing over the housing aperture, a covering material disposed on at least a portion of the plug. The plug includes a first plate coupled to the housing and defining a first aperture, a second plate, and a lamination layer coupling the first plate to the second plate and defining a second aperture. The first aperture and the second aperture are aligned with the housing aperture.