COMPATIBLE OEM: APCRBC131, RBC131, Battery Cartridge #131, APCRBC130, RBC130, Battery Cartridge #130 COMPATIBLE MODELS: APC J35B, Various APC SmartUPS Tower, SmartUPS Rack Mount, SmartUPS Extended Run/XL, Symmetra PX (with PowerSWAP), Symmetra LX (with PowerSWAP), SmartUPS (with PowerSWAP) SPECS: 24V, 9AH (2 CELLS x 12V, 9AH, F2/T2) DIMENSION: 6.00' x 8.00' x 3.00' TESTED, CHARGED AND READY TO INSTALL