ASUS Battery Information Center. The battery pack's service life will depend on the environment temperature, humidity, and notebook PC usage. The battery capacity usage versus cycle performance attenuation follows a linear type curve. Lithium-ion (Li-ion) batteries typically have a lifespan of between 300 and 500 cycles.
1 Some state that the average human attention span is approximately 5 minutes; others state that most healthy teenagers and adults are unable to sustain attention on one thing for more than about 20 minutes at a time, although they can choose repeatedly to re-focus on the same thing.
Study: Average Attention Span Now 8 Seconds â Lower than a Goldfish. With an average of 8 seconds, down from 12. A study from Microsoft involving more than 2,000 people has found that the average attention span has dipped to a low 8 seconds â down from 12 seconds in 2000. A goldfish has an attention span of 9 seconds. There are many effects from smartphones and the like on the human body which are never written about.