The phrase "battery expires" is grammatically correct and can be used in written English.
It is commonly used when referring to the lifespan of a battery, meaning the period of time in which it can maintain its charge. Example sentence: I need to replace my phone battery because it has expired and can no longer hold a charge.
An irresponsibly piloted semi-professional 2kg drone, whose battery expires mid-flight above a crowd, might cause injury.
Each Droplet also has a limited lifespan of around a year; once the battery expires so too does the button.
The buyer also notes that the 9-cell battery expires just under the four hour mark when running only Hulu, with normal web browsing and music playing extending it out a bit to around four and half hours.
Scientists were trying to gather data from all 11 lander instruments before the 60-hour battery expired.
One bird (logger 27) did not leave the cave before the GPS battery expired and so only acceleration data were available from this bird.
Such devices need to be replaced every five or six years, when their batteries expire.
Sprint PCS said that it, like Verizon, had backup batteries at each cell site, but when those batteries expired, so did the sites.
Search teams have been racing against time to locate signals from the flight recorders before their batteries expire after about one month.
Padilla courted the newcomers assiduously, working his cell phone so hard that the batteries expired every few hours, according to an aide.
The energy saving modes are defined for graceful shutdown of the system as battery capacity expires; thus, we do not consider these modes in these experiments, which focus on steady state ("fully powered") operation of the tracking system.
However, the bombs failed to explode as planned, because the battery had expired due to long periods of storage.
