Kuna iya mamakin ko fitulun gubar sun ƙone kamar tsoffin kwararan fitila. Maimakon mutuwa ba zato ba tsammani, hasken wuta a hankali yana rasa haske. Teburin da ke ƙasa yana nuna ƙasa da 1% na LEDs sun kasa bayan sa'o'i 10,000. Yawancin LEDs sun wuce sa'o'i 20,000-60,000, yayin da kwararan fitila na yau da kullum suna wucewa kawai sa'o'i 1,000. Nau'in BulbAverage Lifespan (hours) LE
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