Bullet_point: ['2-in-1 LED indicator light and push-to-test switch (for mandated code compliance testing).', 'A discharged battery completely recharges in 24 hours, via a fully automatic solid-state, two-rate charger. LAMP COMPATIBILITY', 'For use in new or existing fixtures, with or without an AC ballast, where emergency lighting is needed.', 'Internal battery automatically connects to the fluorescent lamp(s) for minimum 90 minute emergency illumination via an internal solid-state transfer switch.', 'Operates one lamp in the emergency mode.', '{ "language_tag": "en_US", "value": "For use in new or existing fixtures, with or without an AC ballast", "marketplace