<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Lithium-ion_battery" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Lithium-ion_battery</a><p>Battery life<p>On average, lifetimes consist of 1000 cycles, although battery performance is rarely specified for more than 500 cycles. This means that batteries of mobile phones, or other hand-held devices in daily use, are <i>not expected to last longer than three years.</i>