How long can three white LEDs off AA batteries?
Hello. Make a point of sale design and the need to integrate LED 3 white. The thing is, we want to take batteries. What would be good if I need to know the battery LED perhaps a period of 3 months? Anyone?
Select the LED, looking forward three months and multiply by the size of batteries needed. example (other components) to 3 mm below the white 1.5mc Current 20mA typical to say 3V (two batteries) Each cell gives Duracell graph shows that 30 MW will be 100 hours. You need a large number of batteries last 3 months! You can: 1) reduce the current and power of light to prolong life 2) have a timer to turn off the night / 3 empty) lights, may be more attention to energy saving.
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Tags: electronics, led, leds, lighting, white