Replacement battery fits 16 SUNRISE TELECOM compatible models. Specifications: 2500mAh, 10.8V, Ni-MH. Compatible with: xDSL MTT METERS, SDH, PDH, ISDN, E1, E1e and 10 more compatible models. Replaces: SUNRISE TELECOM SS140, SUNRISE TELECOM 120-10781-009. SUNRISE TELECOM replacement battery designed for Equipment/Survey/Test Charger devices. A precise, secure fit you can rely on.