The shorter the strip, the real power will much closer to its rated.Īnd again, some maker will use different resistors to adjust the strip output wattage. A 5meter long strip compare to a 1meter strip, same model, the real power will be 40%-50% less. The long the strip, the less real power it produce. In real, once the strip be made into a long run, there is voltage drop, which will cause the lost of the power. NOTE: This method the data get is rated power consumption. –We can calculate each strip’s power by knowing the LED Type and its rated power for each LED. The formula to calculate is Power Consumption = Wattage of each LED*LED QTY of strip Length.įor example, for 100cm long SMD3528, 150LED/roll model, it’s 30LED per 100cm, so its power consumption is 30*0.08= 2.4Watt. Step 1: Calculate the power consumption of the strip you want Small Pixel Pitch LED Modules (P1.25-P2).Decorative LED Light Strings & Lanterns.
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