BatteryGuy Iota I-320 Replacement Ballast - BatteryGuy Brand Equivalent

- Dual 120/277 voltage - AC output ensures compatibility with newer lamp technologies and helps prolong lamp life. - Internal solid-state transfer switch automatically connects the internal battery to fluorescent lamp(s) for minimum 90-minute emergency illumination. - UL listed for damp locations. - Five year warranty against defects in material and workmanship. (Lamps Excluded)