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The number of charges for lithium-ion batteries

Lithium-ion batteries have a relatively long lifespan and can generally support hundreds of charging cycles. For instance, some studies have shown that lithium-ion batteries can still maintain high capacity after 450 cycles. If lower charging and discharging rates are adopted, the capacity retention rate can still exceed 90% after more than 700 cycles.

The number of charge cycles of nickel-metal-hydride batteries

The lifespan of nickel-metal-hydride batteries is relatively short, usually only lasting for a few months to about a year. However, they can be charged many times and can be recharged over hundreds of times.

The number of times a disposable e-cigarette battery can be charged

The lithium-ion battery in disposable e-cigarettes, although sold as a disposable product, can actually be charged hundreds of times. For instance, some disposable e-cigarette batteries can be recharged and used up 3 to 4 times to drain the e-liquid inside. However, there are also studies showing that their batteries can be charged and discharged over 450 times, and under specific conditions, even up to more than 700 cycles.

Factors affecting the number of charges

Charging and discharging rates: Lower charging and discharging rates help to extend battery life and improve capacity retention.

Usage habit: Frequent high-power use or over-discharge will accelerate battery aging and reduce the number of charges.

Battery quality: Batteries produced by different manufacturers vary in materials and manufacturing processes, which affects their charging cycles and lifespan.