PPI Battery-Backup Unit

  • The BBU (Battery Backup Unit) from Performance Peripherals, Inc. provides battery backup for the Commodore 1700, 1764, and 1750 REU (RAM Expansion Units) and also GeoWorks’ GEORAM 512. It was a forerunner to the CMD RAMLink.

    Assembled (Top)
    Assembled (Side)
    Assembled (Bottom)


    Battery Pack
    Top side
    Bottom side