FSP BB-48/9RT, 48 V, 9 Ah, Black, FSP Custos Series 2.0 kVA UPS, Eufo Series 2.0 kVA UPS, 18.9" (480 mm), 3.46" (88 mm) FSP BB-48/9RT. Battery voltage: 48 V, Battery capacity: 9 Ah, Product color: Black. Width: 18.9" (480 mm), Height: 3.46" (88 mm), Depth: 17.2" (438 mm)