Emergency Tube Light 18W 4FT LED T8 Bulb With 8W Lithium Battery Backup Powered Inside, Ballast Bypass 4000K/5000K UL DLC

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Frequently Asked Questions

Emergency Tube Light 4ft/18W/LED/T8 Features

  • Instant start, no flickering, no humming ;
  • Built-in rechargeable battery powered inside the bulb, no need extra battery pack outside, emergency lighting time over 1.5hrs/3hrs;
  • Test mode, AC working mode and Emegency mode supportive ;
  • Bypass ballast, direct replacement of 4 foot 36W-54W fluorescent tube T8 T12 lamps with G13 double pins;
  • High lumen output 120lm/w, energy saving over 50%, long lifespan over 50,000hrs.

Emergency Tube Light 4ft 18W LED T8 Equivalent

  • 18 Watt LED = 36-54 Watt Fluorescent t8 tube lamps / CFL


Model #CH-ET8-4F18W
Length4 foot
Input voltage120-277VAC
CCT3000K(warm white)/4000K(pure white)/5000K(daylight white)/6000K(cool white)/6500K
Chip brandEpistar SMD 2835 chips
Driver brandIsolated interal driver
Housing materialdie cast aluminum profile & PC cover
DimmableStandard: no, special: yes
IP rateIP30 non-waterproof
Mounting baseG13 base
Diffuserfrosted /clear
Beam angle120 degree
Working temperature-25℃-45℃
Emergency time90mins/180mins
Battery typeBuilt-in rechargeable Lithium battery
Battery power8W
Charging time1.5hrs
Emergency lighting lumen960lm
CompatibleNo, ballast bypass (direct wire)
Wiring typeDouble ended/dual end power
Working modeAC power mode(green indicator), emergency mode (red indicator), test mode
CertificatecUL UL DLC

Packing List

126cmx23cmx19cm/carton, 16.2KGs/carton, 20pcs/carton

Commonly used for residential & commercial lighting for indoor such as

  • Office building lighting ;
  • Home /multifamily appartment lighting;
  • Hotel lighting;
  • School Library, classsroom lighting;
  • Gym fitness center lighting;
  • Hallways, corridor lighting ;