What is the service life of a NiMH battery?

NiMH batteries are known to have a high capacity, measured in the number of (charge) cycles of the battery. For NiMH batteries, this is typically between 700 – 1000 cycles.

If the NiMH battery is repeatedly deeply discharged, performance starts to decline after 200 to 300 cycles. On average, NiMH batteries have a lifespan of about 2 to 3 years.

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