AJC® Replacement Battery for APC Smart-UPS VS 420 — 12V 18Ah (NB Terminals)

Overview: AJC® replacement battery compatible with the APC Smart-UPS VS 420. This sealed lead acid (AGM) unit provides 12V and 18Ah capacity and is designed as a direct-fit alternative for the original battery. Key specifications - Voltage: 12V (12 Volts) - Capacity: 18Ah - Chemistry: Sealed Lead Acid (AGM) - Terminals: NB - Number of batteries required for full replacement: 2 - Dimensions: Length 7.09 in x Width 3.03 in x Height 6.57 in - Weight: 12.1 lbs Product notes and coverage: AJC® offers a high-quality, cost-effective replacement built to match OEM fit and performance. Millions of AJC batteries have been sold worldwide; this unit is a UL recognized component. Purchases are supported by easy 30-day returns and a 12-month warranty. Care and handling: To maintain performance, recharge the battery after each use and avoid fully discharging it. Inspect terminals periodically for corrosion or wear that could lead to failure. Store the battery fully charged in a cool, dry place (68°F/20°C). Recycle used batteries—do not dispose of them in regular trash. Disclaimer: Our products are not affiliated with or authorized by APC.