1. Determine the load first: Identify the thrust or torque required for the equipment under both normal and extreme operating conditions—do not simply look at the ESC’s rated current.
2. Check load current: Refer to the load test data for the specific Maytech motor at the intended operating voltage to determine the continuous and peak current requirements.
3. Select the ESC: The ESC’s continuous current rating should be at least 1.2–1.5 times the actual continuous current. The peak current rating must be sufficient to handle short-duration spikes, such as those occurring during startup, rapid acceleration, or motor stall.
4. Verify voltage: The ESC’s maximum voltage rating must exceed the battery’s fully charged voltage. If the system includes braking or regenerative energy recovery, be mindful of any specific voltage limitations.
5. Ensure proper cooling and protection: Rated current specifications typically assume active cooling (water or air). For applications involving water exposure, select an IP68-rated unit; if cooling is insufficient, the ESC must be derated. 

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