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31
Battery Backup
STEP 1 Install the Battery
To reduce the riskof FIRE or INJURY to persons:
l DisconnectALL electric and battery power BEFORE performing ANY service or maintenance.
l Use ONLY Chamberlain part # 41A6357-1 for replacementbattery.
l DO NOT dispose of battery in fire. Battery may explode. Checkwith local codes for disposal
instructions.
ALWAYS wear protective gloves and eye protection when changing the battery or working around
the battery compartment.
The battery backup allowsaccess in and out of your garage, even when the power isout.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 every2 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 ofthe 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.
6. Plug in the garage door opener.
7. Wait for the green Battery Status LED to start flashing before proceeding to testthe battery.
STEP 2 Test the Battery
1. Unplug the garage door opener. The battery status LED will either glow solid orange
indicating opener is operating on battery power or will flash indicating low battery power.
NOTE: Make sure the garage door opener is unplugged.
2. Open and close the door using the remote control or door control.The garage door opener
mayrun slower ifthe battery is not fully charged. The battery will take 24 hours to fully charge.
3. Plug in the garage door opener. Verify the battery status LED 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 daysof 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 maximumbattery life and prevent damage, disconnect the battery when
the garage door opener is unplugged for an extended period oftime, such as a summer or winter
home.
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