Medical Definition of anaphylactic. : of, relating to, affected by, or causing anaphylaxis or anaphylactic shock.
Part of the Electronics glossary: Battery life is a measure of battery performance and longevity, which can be quantified in several ways: as run time on a full charge, as estimated by a manufacturer in milliampere hours, or as the number of charge cycles until the end of useful life.
Quick Answer. The average lifespan of a car battery under normal conditions is four years. Normal circumstances require full charge cycles and limited exposure to any extreme temperatures. Additional devices such as MP3 players and GPS also deplete the life of a battery. Continue Reading