12v 7.5ah for Compatible with apc RBC38 RBC40 RBC48 RBC51 RBC106 RBC110 RBC1 - Leakproof 12V 7.5AH x 2 Battery. QTY 2: AGM, 12V, 7.5AH L- 5.94 W- 2.56 H- 3.66. Fits and replaces:Amstron BX900RCompatible with apc RBC5Compatible with apc SmartUPS SU700X93Compatible with apc SU450Compatible with apc SU450NETCompatible with apc SU600Compatible with apc SU700Compatible with apc SU700BX120Compatible with apc SU700NETCompatible with apc SmartUPS SU700NETCompatible with apc SmartUPS SU700BX120Compatible with apc SmartUPS SU700Compatible with apc SmartUPS SU450NETCompatible with apc SmartUPS SU450Compatible with apc SmartUPS 700NETCompatible with apc SmartUPS 700Compatible with apc SmartUPS 450NetCompatible with apc SmartUPS 450Compatible with apc DL700Compatible with apc SU700X93. "Does not include wire harness, retain your old wire harness. Save Money!" 3YR Free Replacement Warranty when used in Compatible with apc, and computer backups.