APC SmartUPS 3000 120V SU3000 Replacement Battery — AJC® 12V 18Ah (NB Terminal)

Compatible replacement battery for APC SmartUPS 3000 120V (model SU3000). This AJC® replacement is offered as an exact-fit alternative and is not affiliated with or authorized by APC. Technical specifications: Voltage: 12V; Capacity: 18Ah; Chemistry: Sealed Lead Acid (AGM); Terminal type: NB; Number required for a full replacement: 4. Physical dimensions: Length 7.09 in × Width 3.03 in × Height 6.57 in. Weight: 12.1 lbs. Why choose AJC® replacements: High-quality, cost-effective batteries designed to match OEM form and fit. Millions sold worldwide and made with a UL recognized component. Purchase is supported by easy 30-day returns and a 12-month warranty. SLA battery care guidelines: Recharge after each use to maintain performance and avoid complete discharges. Inspect terminals periodically for corrosion or wear. Always store the battery fully charged in a cool, dry location (68°F/20°C). Recycle used batteries—do not dispose of them in regular trash.