Replacement battery fits 20 Rover models, including Satellite. Specifications: 2100mAh, 7.2V, Ni-MH. Compatible with: S2, S2 E, S2 8PSK, T2, C2, ST2 and 14 more compatible models. Replaces: Rover E-0101, Rover BAT-PACK-DS8, Rover BAT-PACK-DM16HD, TechniSat BAT-PACK-DM16HD. Rover replacement battery designed for Equipment/Survey/Test Charger devices. Provides reliable power for your device.