Review Of How Many Watts Per Hour Do Led Light Strips Draw Ideas. Web get the wattage per foot rating of your low voltage led/cob/smd 2835 strip (example 2.6w/ft) once you have the length and wattage per foot, click the calculate in the calculator. Total power draw = 5.5 watts per foot x 10 feet = 55 watts.
Web a good quality led strip should be capable of providing 4 watts per foot or more (15 w/meter). In electrical terms, we now know that at 12v, this led strip will draw about 24 watts per reel (5 meters), or about 2.0 amps. Knowing the voltage is important for accurately figuring out how many amps your led lights will draw.
