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EV Charger Maintenance: What You Need to Know

ev charger maintenance

EV Charger Maintenance: What You Need to Know

Electric vehicles (EVs) are becoming more popular every year, and with that comes an increased need for EV charger maintenance. Proper maintenance of your EV charger is essential to ensure that it is working correctly and providing a reliable charge for your electric car. In this article, we'll cover what you need to know about EV charger maintenance, including common issues and best practices.

Regular Cleaning

One of the easiest ways to maintain your EV charger is to keep it clean. Dirt, dust, and debris can accumulate around the charger and plug, which can cause problems with the charging process. Here are some tips for regular cleaning:

  • Use a soft, damp cloth to wipe down the charger and plug.
  • Avoid using abrasive cleaners or solvents, which can damage the charger.
  • Clean the area around the charger regularly to prevent debris from accumulating.

Checking for Damage

Another important aspect of EV charger maintenance is checking for damage. Any damage to the charger or plug can cause problems with the charging process, so it's essential to check for signs of wear and tear. Here are some things to look out for:

  • Cracks or other damage to the charger housing
  • Signs of corrosion on the plug or connector
  • Worn or frayed cables

If you notice any of these issues, it's best to have your charger inspected by a professional.

Firmware Updates

EV chargers are controlled by firmware, which is essentially software that runs on the charger's computer. Manufacturers periodically release updates to improve performance, fix bugs, and enhance features. It's essential to keep your charger's firmware up-to-date to ensure it's operating at its best. Here's how to update the firmware:

  • Check the manufacturer's website for firmware updates.
  • Follow the instructions provided by the manufacturer to download and install the update.
  • Be sure to follow any safety precautions provided by the manufacturer during the update process.

Power Supply Check

Finally, it's essential to check the power supply for your EV charger. A stable power supply is critical for charging your electric car, so it's essential to make sure everything is working correctly. Here's how to check your power supply:

  • Check the circuit breaker for your charger to make sure it's not tripped.
  • Make sure the outlet your charger is plugged into is functioning correctly.
  • Have an electrician inspect your wiring and electrical panel to make sure everything is up to code.


Proper maintenance of your EV charger is crucial for keeping your electric car charged and ready to go. Regular cleaning, checking for damage, firmware updates, and power supply checks are all essential aspects of EV charger maintenance. By following these best practices, you can ensure that your EV charger is working correctly and providing a reliable charge for your electric car.

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​Darrin Adamson
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Matthew Cornish
​Supply specialist