Satco|Nuvo's T8 lamps with Battery Backup are the logical choice for commercial installations. Providing up to 90-minutes of illumination in the event of a power failure, these lamps are ideal for use where backup lighting is essential. Available in 15W and 17W options, both are designed to replace our most popular T8 and T12 fluorescent lamps, with the 17W model offering the option of higher lumen output. These new lamps have Increased safety and energy efficiency while reducing maintenance costs with this easy-to-install fluorescent alternative.