AJC Replacement for HP Compaq 242688-003 — 12V 18Ah UPS Battery (Sealed Lead Acid/AGM, NB Terminals)

Product overview: AJC® replacement battery designed for HP Compaq 242688-003 UPS applications. This sealed lead acid (AGM) battery delivers 12V (12 Volts) at 18Ah capacity and uses NB-style terminals. For a complete replacement you will need 2 batteries. Key specifications: Voltage 12V (12 Volts); Capacity 18Ah; Terminals NB; Chemistry Sealed Lead Acid (AGM). Dimensions: Length 7.09 in × Width 3.03 in × Height 6.57 in. Weight: 12.1 lbs. Why choose AJC: High-quality, cost-effective replacement batteries compatible with thousands of devices. AJC units are exact OEM-fit replacements engineered to install cleanly and securely. Millions of batteries sold worldwide and UL recognized component status provide added confidence. Purchases include easy 30-day returns and a 12-month warranty. Care & storage tips: Recharge the battery after each use to avoid reduced performance and do not allow complete discharges. Inspect terminals periodically for corrosion or wear that could cause failure. Always store the battery fully charged in a cool, dry place (68°F/20°C). Recycle batteries properly — do not throw away in household trash. Disclaimer: Our products are not affiliated with or authorized by HP.