11.1V, 5200mAh, Li-ion Battery fits Trimble, Rts573 Total Station, Rts633 Total Station, 57.72WhBattery Fits Models: Rts573 Total Station, Rts633 Total Station, Rts655, Rts655 Total Station, Rts773 Total Station, Rts873, Rts873 Total Station, S3, S3 Total Station, S3 Total Stations, S5, S5 Total Station, S5 Total Stations, S6, S6 Total Station, S6 Total Stations, S7, S7 Total Station, S7 Total Stations, S8, S8 Total Station, S8 Total Stations, S9, S9 Hp Total Stations, S9 Total Stations, Sps610 Total Station, Sps620 Total Station, Sps630, Sps700