長ちょう寿じゅ命みょう

noun, noun which may take the genitive case particle 'no'

long operating life; long service life; long life

Technical term used for equipment, devices, or components that last a long time in operation. Not typically used for biological lifespan.

• このバッテリーは長ちょう寿じゅ命みょうで、5年ねん以い上じょう使つかえます。

  This battery has a long service life and can be used for over five years.

• 長ちょう寿じゅ命みょうのLED電でん球きゅうに交こう換かんした。

  I replaced it with a long-life LED bulb.