AJC Replacement for Opti ES1000 / 1000ES — 12V 12Ah UPS Battery (F2, Sealed AGM)

Overview: AJC® replacement battery compatible with Opti ES1000 (1000ES) UPS units. This sealed lead-acid (AGM) battery provides 12 volts and 12Ah capacity with F2 terminals and is intended as a direct-fit replacement. Key Specifications: - Voltage: 12V (12 Volts) - Capacity: 12Ah - Terminals: F2 - Chemistry: Sealed Lead Acid (AGM) - Number of batteries required for full replacement: 2 - Length: 5.94 in - Width: 3.9 in - Height: 3.78 in - Weight: 8.3 lbs Why choose AJC® replacements: AJC batteries offer a cost-effective, high-quality substitute for numerous devices and are made to match OEM dimensions for an exact fit. They are an established component (UL recognized), with millions sold worldwide. Purchases are covered by a straightforward 30-day return policy and a 12-month warranty. Care & Storage Recommendations: To maximize service life, recharge after each use and avoid allowing the battery to fully discharge. Inspect the terminals periodically for corrosion or damage that could cause failure. Always store the battery fully charged in a cool, dry environment (68°F/20°C). Recycle batteries—do not dispose of them in regular trash. Important Notice: Our products are not affiliated with or authorized by Opti.