Instructions / Assembly
30
Battery Backup
STEP 1 Install the Battery
To reduce the riskof FIRE or INJURY to persons:
l Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.
l Use ONLY Chamberlain part # 41A6357-1 for replacement battery.
l DO NOT dispose of battery in fire. Battery may explode. Checkwith local codes for disposal
instructions.
ALWAYS wear protective glovesand eye protection when changing the battery or working around the
battery compartment.
The battery backup allows accessin and out of your garage, even when the power is out.The battery
does not have to be fully charged to operate the garage door opener. When the garage door opener is
operating on battery power,it will run slower and the battery status LED will glow solid orange, a beep
will sound approximately every 2 seconds.The following features are unavailable when operating on
battery power:
l Garage Door Opener Lights
l Unattended close devices and features (e.g.MyQ
®
Smartphone Control and Timer-to-Close)
Battery Status LED
1. Unplug the garage door opener.
2. Open the light lens on the right side panel of the garage door opener. Use a Phillips head
screwdriver to remove the battery cover on the garage door opener.
3. Partially insert the battery into the battery compartment with the terminals facing out.
4. Connectred (+) and black (-) wires from the garage door opener to the corresponding terminals
on the battery.
5. Replace the battery cover and plug in the garage door opener.
6. Wait for the green Battery Status LED to start flashing before proceeding to test the battery.
STEP 2 Test the Battery
1. Unplug the garage door opener. The battery status LED will glow solid orange indicating opener
is operating on battery power or will flash indicating low battery power.
2. Open and close the door using the remote control or door control.
3. Plug in the garage door opener. Verifythe battery statusLED is flashing green, indicating the
battery is charging.
1 2
3
Charge the Battery
The battery charges while the garage door opener is plugged into an electrical outlet.The battery
requires 24 hours to fully charge. A fully charged battery supplies 12Vdc to the garage door opener for
one to two days of normal operation during an electrical power outage. After the electrical power has
been restored, the battery will recharge within 24 hours.The battery will lastapproximately 1 to 2 years
with normal usage. To obtain maximum battery life and prevent damage, disconnectthe battery when the
garage door opener is unplugged for an extended period of time, such as a summer or winter home.