Changing Battery In Garage Door Opener Liftmaster

Changing Battery in Garage Door Opener Liftmaster

Replacing the battery in your Liftmaster garage door opener is a simple task that can be completed in a few minutes. Here are the steps on how to replace the 9-volt alkaline battery in your Liftmaster garage door opener:

1. **Safety First**. Before starting, make sure to disconnect the power to the garage door opener by unplugging the unit or turning off the circuit breaker.

2. **Locate the battery compartment**. The battery compartment is typically located on the back or side of the motor unit. It may be covered by a small plastic cover that can be removed by hand.

3. **Remove the old battery**. Once you've located the battery compartment, open it and remove the old battery. Be careful not to touch the terminals of the battery with your bare hands.

4. **Insert the new battery**. Take the new 9-volt alkaline battery and insert it into the battery compartment, making sure to align the positive (+) and negative (-) terminals correctly.

5. **Close the battery compartment**. Once the new battery is inserted, close the battery compartment and secure it with the small plastic cover.

6. **Reconnect the power**. Reconnect the power to the garage door opener by plugging the unit back in or turning the circuit breaker back on.

7. **Test the garage door opener**. Open and close the garage door using the remote or wall-mounted button to ensure that the new battery is working properly.

**Tips:**

• Use a high-quality 9-volt alkaline battery for best results.

• Replace the battery in your garage door opener every year or two, even if it is still working, to ensure optimal performance.

• If you have any difficulties replacing the battery in your Liftmaster garage door opener, consult the user manual or contact Liftmaster customer support for assistance.