C-rating indicates a battery’s maximum continuous discharge rate. For example, a 2000mAh battery with a 20C rating can safely deliver 40A continuously (2000mAh × 20C = 40,000mA or 40A).
Typical C-ratings:
- Photography drones: 15-25C
- Racing drones: 75-150C
- General purpose: 25-50C
Higher C-ratings allow for more powerful performance but may reduce flight time. Choose based on your drone’s requirements – racing drones need higher C-ratings for quick acceleration, while photography drones can use lower C-ratings for longer flight times.
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Last Updated: August 20, 2025
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