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Longman Dictionary of Contemporary English
long-life
adjective
COLLOCATIONS FROM OTHER ENTRIES
long-life milkBritish English (= specially treated milk that you can keep for a long time)
▪ I’ve got a carton of long-life milk in the cupboard.
EXAMPLES FROM CORPUS
▪ New products, including liquid crystal display televisions, long-life batteries and new materials offer promise for the future.
▪ Sceptre 404 and 505 are a mix of sable and synthetic providing a long-life brush of high quality.
▪ This fun timepiece features a talking alarm, a one-year guarantee and a long-life battery.
▪ Tofu is available fresh or in long-life packs; the fresh variety has a firmer texture.
▪ When long-life milk is packaged, it is sealed in aseptic boxes that prevent light and air from penetrating.
WordNet
long-life

adj. (of perishable goods) treated to stay fresh longer than usual; "long-life milk"

Usage examples of "long-life".

And it's only gotten worse with the onset of global positioning systems, jet airliners, communications satellites, cell phones, and long-life batteries that can power a laptop anywhere.

It's also a transmitter, powered by a small but long-life nuclear battery surgically implanted under the skin behind his right ear.

However, being intended for short missions, the shuttle was not equipped with solar panels or a long-life power source, and use of the sampling instruments and external imagers had to be limited.