Wahl Micro Groomsman Pro Battery Replacement: A Comprehensive Guide

Wahl Groomsman Battery for 9816 9916 9920 9925
Wahl Groomsman Battery for 9816 9916 9920 9925 from www.thepartsbiz.com


Keeping your Wahl Micro Groomsman Pro in top shape is essential for maintaining precise grooming. One crucial aspect is the battery, which may need replacement over time. In this article, we will provide you with a comprehensive guide on how to replace the battery in your Wahl Micro Groomsman Pro, ensuring it stays in excellent working condition.

Why Replace the Battery?

As time goes by, the battery in your Wahl Micro Groomsman Pro may start to lose its efficiency. This can result in reduced operating time and overall performance. Replacing the battery will help restore its full functionality, allowing you to achieve the desired grooming results without any interruptions.

Step-by-Step Battery Replacement Guide

Step 1: Gather the Required Tools

Before you begin, make sure to gather all the necessary tools. You will need a small screwdriver, a new compatible battery, and a clean cloth for handling the device.

Step 2: Remove the Trimmer Heads

To access the battery compartment, you need to remove the trimmer heads. Gently twist the heads counterclockwise and pull them away from the device. Set them aside in a safe place.

Step 3: Unscrew the Battery Cover

Using the small screwdriver, carefully unscrew the battery cover located at the bottom of the device. Take your time to avoid damaging the cover or the surrounding components.

Step 4: Remove the Old Battery

Once the battery cover is off, you will see the old battery. Gently lift it out using your fingers or a small tool. Be cautious not to damage any other parts of the device during this process.

Step 5: Insert the New Battery

Take the new compatible battery and insert it into the battery compartment, ensuring it fits securely. Make sure the polarity is correct, aligning the positive and negative terminals accordingly.

Step 6: Screw the Battery Cover Back On

Once the new battery is in place, carefully screw the battery cover back on. Make sure it is tightened securely but avoid overtightening to prevent any potential damage.

Step 7: Reattach the Trimmer Heads

Now it’s time to reattach the trimmer heads. Line up the heads with the device and twist them clockwise until they are securely in place. Ensure they are properly aligned to avoid any operational issues.

Step 8: Test the Trimmer

Before storing the device, test it to ensure the new battery is functioning correctly. Turn it on and check if it operates smoothly without any issues. If everything is working as expected, proceed to the final step.

Step 9: Clean and Store the Device

Use a clean cloth to wipe away any fingerprints or residue from the device. Store it in a safe and dry place, away from extreme temperatures or humidity, to maximize its lifespan.

Step 10: Regular Maintenance

To keep your Wahl Micro Groomsman Pro in optimal condition, perform regular maintenance. Clean the trimmer heads, lubricate the blades, and recharge the battery as recommended by the manufacturer.


Replacing the battery in your Wahl Micro Groomsman Pro is a simple process that can significantly improve its performance and longevity. By following this comprehensive guide, you can ensure a seamless battery replacement experience, allowing you to enjoy precise grooming for years to come.