IBM 90P4830 12V 18Ah UPS Battery — AJC Replacement (Sealed Lead Acid AGM, NB Terminals)

Overview: AJC® replacement for IBM 90P4830 — 12V, 18Ah sealed lead acid (AGM) battery designed for UPS systems. This unit matches OEM specifications to provide a direct drop-in replacement. Key specifications: - Voltage: 12V (12 Volts) - Capacity: 18Ah - Chemistry: Sealed Lead Acid (AGM) - Terminals: NB - Number required for full replacement: 2 - Dimensions: Length 7.09 in × Width 3.03 in × Height 6.57 in - Weight: 12.1 lbs Important notice: Our products are not affiliated with or authorized by IBM. Why choose AJC replacements: AJC offers high-quality, cost-effective replacement batteries compatible with thousands of devices. These batteries are engineered to fit precisely like the original, are UL recognized component, and have been purchased by millions of customers worldwide. Purchases are supported by easy 30-day returns and a 12-month warranty. SLA battery care recommendations: - Recharge after every use to maintain performance. - Avoid fully discharging the battery. - Inspect terminals periodically for corrosion or wear that could cause failure. - Store the battery fully charged in a cool, dry location (68°F/20°C). - Recycle used batteries; do not dispose in regular trash.