Watch for these key indicators of battery deterioration:
- Reduced Flight Time: More than 20% decrease from original duration
- Physical Signs: Swelling, puffing, or damage to the battery case
- Charging Issues: Battery doesn't hold charge or charges unusually quickly
- Temperature: Excessive heat during charging or operation
- Voltage Sag: Rapid voltage drop under load
According to IEEE Spectrum, modern drone batteries typically last 150-300 charge cycles before showing significant degradation. Always follow manufacturer guidelines for battery care and replacement schedules to maintain safe operations.
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