Electronic Emergency Ballast with Backup Battery and Charger, MVolt Series, Input Voltage: 120/277V, 90 Minute Illumination Time, 72 Hr Recharge. For use with the following 1100-1400 Lumen Compact & Linear Fluorescent Lamp Types: (1) 17-215W, 2-8 ft or (2) 17-40W 2-4 ft T8, T9, T10 or T12 lamps or (1) 18-55W or (2) 18-39W, 4-Pin Long Compact.
