T8EM-48FR17-XXBYP-LED-YYY, where XX = CCT, YYY = represents pack size
Over 90 minutes back up working time with 400 lumen output
The battery is conditioned before testing and the battery terminal voltage (BTV) for the specified discharging time is recorded. The lighting load is powered at the recorded BTV and the luminous flux of the sample is measured according to the appropriate IES standard for the light source under test.
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