4 Pack 4FT T8 Emergency LED Tube Type B with Battery Backup, 3CCT Switchable, Normal Lighting 15W 2000LM, Single-End Power Input for Offices, Factories, Shops, Commercial Lighting Commercial 4200 lumen output

4200 lumen output

when the lithium battery power is lower than 90 minutes

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4 Pack 4FT T8 Emergency LED Tube Type B with Battery Backup, 3CCT Switchable, Normal Lighting 15W 2000LM, Single-End Power Input for Offices, Factories, Shops, Commercial Lighting Commercial 4200 lumen output2 IN 1 Emergency LED TUBE: Paby 4ft 15W T8 emergency LED bulbs combines with regular G13 T8 tubes to normal lighting emit 2000 lumens and built in lithium battery provides 90 minutes for 380lumens of emergency power during power outage. BALLAST BYPASS: These T8 Emergency is multi volt, directly wired with AC120 277V, must be installed using the ballast bypass method and are not compatible with ballasts. Disconnect the ballast and remove it from the