Battery lifespan refers to the amount of time a battery can be used effectively before it starts to lose its ability to hold a charge and provide power. Full definition
However, when metallic lithium forms and deposits during charging it can lead to a reduced battery lifespan and even short - circuits. (sciencedaily.com)
You also get a predicted battery lifespan in the battery status page. (pocket-lint.com)
A new way to see inside batteries in real time as they go through charging cycles could help prevent battery fires and increase battery lifespans (treehugger.com)