LED emergency light exit sign with battery backup light bulb, Pack of 2, Exit Sign Combo, Indoor Hallway or Room Safety for Residential, Commercial or Industrial Use, rechargeable emergency led bulb :
Hubbell Lighting CEG Battery Powered LED Emergency Exit Sign White Housing Green Letter 120/277-Volt AC Compass® | HZ Electric Supply
HQRP 4.8V Backup Battery for Simkar SLED LED Exit Light Emergency + Coaster | Walmart Canada
Astralite EANY-HC-U-R-W-EM-CT Universal Mount Handicap Emergency Exit Sign With Battery Backup 120/277-Volt White Housing Red Letter | Electrical Wholesalers, Inc.