Recommended BetaLED® Lumen Depreciation (TD-13)

BetaLED Recommended Lumen Depreciation (LD) Factors (TD-13) are calculations derived from our LED chip manufacturer’s lumen maintenance data and long-term lumen maintenance projection. Refer to our map and zone charts to select the appropriate lumen depreciation factor based on your anticipated application life, average ambient nighttime temperature, product family and selected drive current.