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. If the battery is at fault, then it's time to get a new one; remember to find out if it's under warranty.