Knowledge

Home/Knowledge/Details

How Long Do LED Lights Last? Signs It’s Time for a Replacement

LED lights are known for their impressive lifespan, typically lasting 15,000 to 50,000 hours (or even higher for premium models). Here's what that means in practical terms and signs it's time to replace them:

 

1) Lifespan Explained:

15,000 hours: ≈ 5.7 years (at 7 hours/day)

25,000 hours: ≈ 9.5 years (at 7 hours/day)

50,000 hours: ≈ 19 years (at 7 hours/day)

 

2) Why They Eventually Fail:
LEDs themselves (diodes) rarely burn out suddenly. Failure is usually due to:

Driver/electronics failure (power supply component).

Heat damage (poor ventilation/cheap design).

Component degradation (capacitors, resistors).

Slow decline in light output over time.

 

3) Signs It's Time to Replace LED Lights:

Flickering or Flashing:

Cause: Failing driver, loose wiring, or incompatible dimmer.

Action: Check connections first. If persistent, replace the fixture/bulb.

Significant Dimming:

Cause: Natural phosphor degradation or failing components.

Action: Replace if brightness drops below 70% of original output.

Partial Dark Spots:

Cause: Individual diodes burning out in multi-LED arrays.

Action: Replace if uneven lighting is noticeable.

Color Shift:

Cause: Phosphor coating degradation, turning white light blue/purple.

Action: Replace if color quality matters (e.g., task lighting).

Buzzing/Humming:

Cause: Failing driver or incompatible dimmer switch.

Action: Replace bulb/fixture if sound is disruptive.

Complete Failure:

Cause: Driver burnout or electrical fault.

Action: Replace after checking your circuit breaker.

Frequent Burnouts:

Cause: Voltage spikes, poor fixture ventilation, or low-quality LEDs.

Action: Invest in higher-quality replacements and ensure proper airflow.

Tips to Maximize LED Lifespan:

Buy Quality: Choose reputable brands (e.g., Philips, Cree, GE).

Ensure Ventilation: Avoid enclosed fixtures unless rated for it.

Use Compatible Dimmers: Opt for LEDs labeled "dimmable" with LED-specific dimmers.

Avoid High-Temp Areas: Heat shortens lifespan (e.g., near ovens).

Bottom Line:
While LEDs last years longer than incandescent/halogen bulbs, they do wear out. Replace them when you notice flickering, dimming, color shifts, or dead sections. Quality LEDs often outlive cheaper ones by years-investing upfront pays off! you can know more on http://www.benweilight.com

 

LED panel light