1. Possible Causes
-Long-term overcharging or over-discharging leads to battery aging
-Extreme temperatures affect performance
-Battery cycles are nearing the designed lifespan
2. Usage Tips
-Avoid deep discharges to extend battery life
-Keep the working temperature around 25℃ ± 5℃
3. Next Steps
If the capacity drops significantly, contact the manufacturer for professional inspection and maintenance.





