The replacement battery from fresh production is a perfect fit for the APC-RBC6 battery and comes pre-assembled with the cable set for easier self-installation. The battery pack consists of 2 Pb lead batteries with cable and connector. It is compatible with the following devices: Battery SCD6, APC Back UPS, BK1250, BP1000, APC Smart UPS SU1000, SU1000BX120, SU1000INET, SU1000RM, SU1000RMINET, SU1000VS, SU1000X127, SU1000X93, SU700X167, SUA1000, SUA1000US, and SUV1000. Simply open the old battery pack or UPS system and remove the old battery. The new battery pack fits perfectly and comes with the appropriate cable and connector. Since these batteries are delivered pre-assembled, you always have batteries from the same production batch. It doesn't get any fresher than this!.