In ideal conditions, your battery will retain 80% of its original capacity after 400-500 charge and discharge cycles. So this means if you're using your Gemini Light twice a week, every week of the year, your battery should last 4-5 years.

When capacity degrades to 80% of its original capacity, it's time for a new battery.

Pro tip: Store your battery in cool, dry conditions at a 50% charge for optimal health.
 

Related Questions

How do I store the battery long-term?

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