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.
This battery has a long service life and can be used for over five years.
I replaced it with a long-life LED bulb.
長生き refers to a long human or animal life, not to equipment or devices.
Compound of 長 (long) and 寿命 (lifespan). A straightforward technical term with no special historical derivation.