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.
Although there is no global consensus on the prevalence of attention-deficit hyperactivity disorder (ADHD) in children, adolescents and/or adults, meta-regression analyses have estimated the worldwide prevalence at between 5.29% 1 and 7.1% in children and adolescents, 2 and at 3.4% (range 1.2â7.3%) in adults.3 2.lthough there is no global consensus on the prevalence of attention-deficit hyperactivity disorder (ADHD) in children, adolescents and/or adults, meta-regression analyses have estimated the worldwide prevalence at between 5.29% 1 and 7.1% in children and adolescents, 2 and at 3.4% (range 1.2â7.3%) in adults. 3 2.