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.
A well cared for battery will last longer, but all batteries eventually must be replaced. Battery life can vary anywhere from six months to two years or even more. When a phone starts acting up, the first step is to find out whether the battery or the phone is at fault.