Battery Holders with PC Connectors Keystone Electronics Battery Holders with PC Connectors feature a 6' wire lead with a PC connector added to the end, enabling a quick connection of the battery pack to circuitry. The holders are offered for AA, AAA, CR2, 12V, and N cell batteries and in one- to four-cell configurations. The multi-cell holders are wired in series. Other options include vertical or horizontal entry and SMT or THM mounting. Wire-to-board PC connector jacks are available for connections to circuit boards. Keystone Battery Holders with PC Connectors utilize nickel-plated steel springs, a nylon 6/6 connector, and 26AWG wire leads.