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.
Confidence votes 261K. The lifespan of a cordless phone battery depends on the quality of your cordless phone. If properly charged and used with care, the average life span is 1-3 years.hare to:   As of my experience and information from battery manufacturers the average life span of batteries is around 18 months or more if used properly.