Designed for T5 fluorescent fixtures, the ECO-BALT5-500TD operates one lamp in emergency mode, delivering 500 lumens. It features dual 120/277V input, a 3.6V NiCd battery, and includes time-delay and AC output to maintain lamp longevity and end-of-life protection. Housed in low-profile galvanized steel, it’s ideal for compact fixture installations and can be mounted inside, on top, or remotely.