2025-07-23 08:59:14
source:cck-light
Yes, but the decay is very slow. High quality LED lights only reduce brightness by about 10% after 5000 hours (about 2 years), which is enough for ordinary households to use for 10 years. If it suddenly darkens, it may be due to a faulty drive power supply. Replacing the power supply is more cost-effective than replacing the entire lamp.
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