Chamberlain Garage Door Opener Battery Change

This DIY explains how to replace the back-up battery in a garage door opener. Located in the motor unit, the battery supplies power to the opener if the power goes out. Test the battery yearly according to the instructions in your owner's manual. If the battery status light indicates a low battery charge when you unplug the garage door opener to test the battery, plug the garage door opener back in and see if the battery charges within 48 hours.

If the battery hasn't charged after 48 hours, replace it with the manufacturer-approved.This basic repair procedure works for common Craftsman, LiftMaster and Chamberlain garage door openers. Warning: Undertaking repairs or maintenance to appliances or power equipment can be hazardous.

Garage Door Opener Battery Liftmaster

Should you choose to undertake repairs or maintenance, you are assuming the risk of injury to your person or property. In an effort to reduce the risk, use the proper tools and safety equipment noted in the applicable guide and follow all instructions. Do not proceed until you are confident that you understand all of the steps and are capable of completing the repair. Some repairs or maintenance, however, should only be performed by a qualified technician.

Chamberlain Garage Door Opener Battery Change Remote

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