Division 2 DETERMINATION OF THE ELECTRIC POWER CONSUMPTION OF THE LEDS

The electric power consumption of the LEDs for each of the lighting functions concerned is to be determined as the multiplication of the battery voltage and the electric current of each lighting unit with the number of lights of each lighting unit, according to the formula:

$\mathrm{PLED\; =\; U\; \times \; I\; \times \; n}$ ;

PLED

electric power consumption of an LED lighting function (W);

U

battery voltage (V) This value can be measured with a multimeter;

I

electric current (A). This value can be measured with a multimeter;

n

number of lights in function.

The measurement of the power consumption of the LEDs may be done separate from the NEDC hot test (see point 4 of this Annex).