Servo Motor Voltages: 12V vs. 14V Explained

In summary, servo motors are often labeled as "12V" but their datasheets may refer to tests and torque ratings at 14V. This is because a 12V servo expects to operate on a minimum of 12V for a longer lifespan, but can operate faster at higher voltages with a shorter lifespan. Lead acid batteries maintain 12V when loaded, but can have 14V while being charged.
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TL;DR Summary
12V servos using 14V in datasheet?
I would like to understand why servo motors often state they are a "12V servo" but then in the datasheet they will refer to tests and torque ratings at 14V? I'm assuming 14V is chosen due to common lipo battery voltages, but then why call it a 12V servo motor?
 
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Can you please link to an example datasheet.

A 12V servo expects to operate on a minimum of 12V, and will have a long life. If you operate it at higher voltages it will operate proportionally faster and have a shorter life.

Lead acid batteries maintain 12 volts when loaded, but they have 14 volts while being charged.
 
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Baluncore said:
Can you please link to an example datasheet.

A 12V servo expects to operate on a minimum of 12V, and will have a long life. If you operate it at higher voltages it will operate proportionally faster and have a shorter life.

Lead acid batteries maintain 12 volts when loaded, but they have 14 volts while being charged.

Thanks, that makes sense. Here's what I was looking at previously (not exactly a datasheet):

https://au-m.banggood.com/JX-CLS-12...8xP1Bzmidg_f6FRu1ElzfUR6AE46JRFRoCom8QAvD_BwE
 
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"Voltage must be lower than 14V" 12V nominal and 14V is the max.
 

1. What is the difference between 12V and 14V servo motor voltages?

The main difference between 12V and 14V servo motor voltages is the amount of electrical power supplied to the motor. 12V motors receive 12 volts of electrical power, while 14V motors receive 14 volts. This difference in voltage can affect the speed, torque, and overall performance of the servo motor.

2. Which voltage is better for servo motors, 12V or 14V?

The answer to this question depends on the specific needs and requirements of your project. Generally, a 14V servo motor will have a higher power output and can handle heavier loads, making it better for larger and more demanding applications. However, a 12V servo motor may be more suitable for smaller and simpler projects.

3. Can I use a 12V servo motor with a 14V power supply?

It is not recommended to use a 12V servo motor with a 14V power supply as this can potentially damage the motor. The motor is designed to operate at a specific voltage, and using a higher voltage can cause it to overheat and fail. It is always best to use the recommended voltage for your servo motor.

4. How does the voltage affect the speed of a servo motor?

The voltage supplied to a servo motor directly affects its speed. Generally, a higher voltage will result in a faster motor speed, while a lower voltage will result in a slower speed. However, factors such as motor design and load can also impact the speed of a servo motor.

5. Are there any safety precautions to consider when working with servo motor voltages?

Yes, it is important to always follow the recommended voltage for your servo motor to prevent damage or safety hazards. Additionally, when working with higher voltages, it is important to use proper insulation and safety equipment to avoid electric shocks. It is also recommended to consult the manufacturer's instructions and guidelines for specific safety precautions.

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