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.
The findings revealed human attention span has fallen from an average of 12 seconds in the year 2000 to just eight seconds today. Humans now have less of an attention span than a goldfish (nine seconds average).The decrease was seen across all age groups and genders in the study.he findings revealed human attention span has fallen from an average of 12 seconds in the year 2000 to just eight seconds today. Humans now have less of an attention span than a goldfish (nine seconds average).