If your emergency lights have stopped holding a charge, these replacement Ni-CD batteries will get them working like new again. This 2-pack of 1.2V AA batteries with 800mAh capacity is specifically designed as direct replacements for popular emergency light models including Teig T26000209, Corun AA1000MT, S/L 026-209 Sure-Lites, and OSI OSA409 systems. The Ni-CD (Nickel-Cadmium) chemistry provides reliable performance with up to 500 charge cycles, so these aren't some cheap batteries that'll die after a few uses. Standard AA size means they drop right into your existing emergency light fixtures without any modification needed. Perfect for maintaining your safety equipment in homes, offices, commercial buildings - anywhere you have emergency lighting systems. These batteries deliver consistent power output and handle the frequent charging cycles that emergency lights require. Installation is straightforward - just swap out your old batteries and you're good to go. Backed by a 24-month warranty for peace of mind. Keeping your emergency lights functional is crucial for safety, and these affordable replacement batteries make maintenance easy and cost-effective. Always verify compatibility with your specific model before purchasing!