Emergency Lighting Batteries are not all the same so when you choose the E-11 (replacement for EMERGILIGHT) you choose durability and strength. Only the best materials are used in the E-11. From this we have a replacement battery that equals or out-performs the original requirements set forth for your equipment. Only the best batteries at the best prices: BatteryTex.com. Thank you for making BatteryTex your provider of replacement batteries at everyday low prices. Want more information or bulk discounts? Call us now at 1-888-825-6661. If you need another Emergency Lighting Batteries battery click here to view our selection. More in-stock items for EMERGILIGHT products. With better materials and manufacturing processes batteries have become smaller, more efficient and more affordable. If you want information on the manufacturer warranty please reach out to us with the specific battery you're interested in. Standard warranties are for one-year however.