Here's some data on the LED driver, DL-200W-V56A-MXG, that powers the 200 watt Unit Farm UFL3000 grow light. Done is the manufacturer and they claim 93.5% efficiency at 230VAC. LED current is adjustable from 2.6 Amps (123 Watts) to 5.6 Amps (200 Watts).
3 pictures of the UFL3000