APC SC1500 UPS Replacement Batteries - Set of 4 Replacement Battery for UB1280-F2 (D5779), BP7.5-12, YT-1270-F2, PS-1270-F2, NP7-12-F2 and GPL-1272. Mfr Part Number: SP12-7.5HR (12 Volt 7.5 AmpH) Sealed Lead Acid Battery Item Package Quantity: 4 Guaranteed compatibility with OEM battery