While changing an old backup battery keep in mind that OEM Chamberlain batteries are more expensive than random replacement backup batteries out there. If you want OEM explicit, know that you’ll pay for the brand name. No matter what you decide to go for, both OEM and random backup batteries should fit perfectly into the housing. Look for the positive and negative terminals and connect them as described in the manual.
Note: when buying a replacement battery, packaging may vary, however, the battery itself (physically) should be the same as the original. Dimensions and specifications should be the same as the original.
Replacement Battery Specifications
Make sure that the replacement battery has the same voltage (V) and nominal capacity (Ah). For battery backup equipped garage door openers, the owner should replace the batteries from time to time, depending on usage. The backup system is preventing lockouts and helping the garage lighting.
Replacement batteries usually have 4.5 Ah with a 12 Volt output. They are physically the same and easy to replace. Replacement battery for Chamberlain should fit most LiftMaster models as well, and vice-versa.
Chamberlain garage door opener batteries are made in the U.S.A. The company logos clearly stamped on the battery. If you purchase a replacement battery from another manufacturer, you won’t be able to see the “Chamberlain” logo, and it may not be Made in the U.S.A.
Chamberlain garage door opener with battery backup comes in handy in case of a power outage. Depending on the model, battery backup powers up your garage door enough for careless day-routine.
As we have written already, a replacement battery should fit both LiftMaster and Chamberlain openers. In case of any issues with the old battery, replace your battery. You can choose an OEM battery pack, which is better in many ways, but you can also look for a good-quality replacement battery that comes cheaper compared to the original.
Battery Replacement Instructions
How to replace the battery? Let’s see how to change the battery in the garage door opener…
- First, disconnect power to the opener/operator. Then, using the Phillips head screwdriver, remove the battery cover on the motor unit.
- Disconnect the battery. Remove the old battery and partially insert the new battery into the motor unit with terminals facing out.
- Connect red (+) and black (-) wires from the motor unit to corresponding terminals on the battery.
- Verify the battery wires are seated in the channel.
- Replace the battery cover and reconnect power.
We hope that you’ve learned how to change the battery in your garage door opener. Written for you above was a step by step guide on replacing your chamberlain battery. Take a closer look at the install manual to find out what size battery your garage door opener take.