APC BE350G UPS Replacement Battery Replacement Battery for BP3.6-12-F2, P212/32-F2, HR4-12, GPSU1-34-F2 and BP3-12-F2. Mfr Part Number: SP12-3.5HR (12 Volt 3.5 AmpH) Sealed Lead Acid Battery Item Package Quantity: 1 Guaranteed compatibility with OEM battery