Transformer requirement for LED lights

[calo247]

you will need a 13.5v power supply if that is what came with the bar. your other leds state they can run off a 12v supply so i would get a 12v supply, it will be well above the cut-off voltage for the bar and should run it fine. just get a big enough supply to power all of it, just add up the wattage of all the leds you need to run and double it (power supplies run most efficiently around 50-60% load)

be very careful with dimming leds. it is critical you have a driver that can handle dimming, most cheap ones can not