National Power AT500K3 12V 100Ah Emergency Light Battery — AJC® Replacement

This AJC® replacement battery is designed as a drop-in substitute for the National Power AT500K3 emergency light battery. It is a 12V, 100Ah sealed lead acid (AGM) unit built to the same physical size and capacity specifications for straightforward installation and reliable backup power. AJC batteries are a high-quality, cost-effective alternative sold worldwide and fit the original equipment exactly to ensure compatibility. Key specifications: Voltage: 12V (12 Volts); Capacity: 100Ah; Terminals: NB; Chemistry: Sealed Lead Acid (AGM). Physical dimensions: Length 13.07 in, Width 6.89 in, Height 8.7 in. Weight: 69 lbs. Why choose AJC®: Exact OEM-fit replacements, UL recognized component, millions sold globally, and supported with easy 30-day returns plus a 12-month warranty. Care and storage: Recharge the battery after every use to avoid capacity loss and do not allow full discharges. Inspect terminals periodically for corrosion or wear that could cause failure. Keep the battery fully charged when storing and store in a cool, dry location (68°F/20°C). Recycle batteries properly — do not dispose of them in regular trash. Disclaimer: Our products are not affiliated with or authorized by National Power.