0 the length of time a device can continue to work before it needs its battery to be recharged (= to have more power put into it): --
It also displays various information such as date and time, the wireless signal status, controller battery life and controller settings.
Battery life is rated at six hours of video viewing and eight hours of web browsing.
The electrolyte can not be tested by hydrometer to diagnose improper charging, which can reduce battery life.
The battery life has been enhanced to 515 hours of standby and 8 hours talk time.
Battery life can reach 20 and 35 hours respectively.
Apple's advertised battery life for continuous music playback was fifteen hours, or five hours for a continuous slideshow with music.
Rechargeable devices are now commonly implanted with a battery life in the range of 15 to 20 years dependent on use.
There were no complaints about its weight, but improvements to the battery life and a range increase to 1,000 meters were being sought.
