Sumitomo BU-11/BU-101/BU-Q101 Battery Pack, use for Sumitomo TYPE-71C,TYPE-71C+,TYPE-71M12,TYPE-81C,TYPE-81M12,TYPE-600,T-55,T-600C,TYPE-Z1C,TYPE-Q101-CA,TYPE-Q101-VS,Type-Q101-M12 Fusion splicer.