Synergy Digital Survey GPS Battery, Compatible with SUNRISE TELECOM 120-10781-009, SS140 Survey GPS Battery (10.8V, Ni-MH, 2500mAh)Specifications:Compatible with SUNRISE TELECOM Equipment(s): E1, E10, E1e, E20, E20C, ISDN, MTT, OCx, PDH, SDH, SSMTT, SSxDSL, T10, T3, xDSL, xDSL MTT METERS, 120-10781-009, SS140