Battery holder

A battery holder for retaining a plurality of sealed batteries each having a case having a negative end and a positive end and negative and positive terminals respectively provided on said negative and positive ends of said case, said holder comprising a support member having upper and lower faces in which a plurality of battery case receiving holes of a predetermined depth are formed for receiving and retaining a positive or negative end of a battery case wherein said battery case receiving holes are formed in first and second rows in one face of said support member, one row of said battery case receiving holes being a row for receiving positive ends of battery cases and another row of said battery case receiving holes being a row for receiving negative ends of said battery cases, terminal receiving holes each respectively formed in axial alignment and communication with one of said battery case receiving holes so that said terminal receiving holes comprise a row of positive terminal receiving holes adjacent a row of negative terminal receiving holes with each positive terminal receiving hole being paired with an adjacent negative terminal receiving hole, a groove formed in said support member between adjacent paired positive and negative terminal receiving holes disposed in said support member, said paired positive terminal receiving holes and negative terminal receiving holes being communicated with each other through said groove, and vent holes extending from one face to the other face of said support member for permitting cooling by airflow through said support member.