Battery For SUNRISE TELECOM E1, E10, E1e, E20, E20C, ISDN, MTT, OCx, PDH, SDH, SSMTT, SSxDSL, T10,
Battery For Ruide R70, R70T, R90, R90T, R93T, T10, T20, T20T, BTL74S66, BT-L74-S66,
