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Battery Backup
Install the battery
1.1 Unplug the garage door opener.
1.2 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.
1.3 Partially insert the battery into the battery compartment with the terminals
facing out.
1.4 Connect red (+) and black (-) wires from the garage door opener to the
corresponding terminals on the battery.
1.5 Verify the battery wires are seated in the channel and replace the battery cover.
1.6 Plug in the garage door opener.
1.7 Wait for the green Battery Status LED to start fl ashing before proceeding to test
the battery.
Channel
To reduce the risk of FIRE or INJURY to
persons:
• Disconnect ALL electric and
battery power BEFORE performing
ANY service or maintenance.
• Use ONLY Chamberlain part
# 41A6357-1 for replacement battery.
• DO NOT dispose of battery in fi re.
Battery may explode. Check with local
codes for disposal instructions.
Test the battery
2.1 Unplug the garage door opener. The
battery status LED will either glow
solid orange indicating opener is
operating on battery power or will
fl ash indicating low battery power.
2.2 Open and close the door using the
remote control or door control.
2.3 Plug in the garage door opener.
Verify the battery status LED is
fl ashing green, indicating the battery
is charging.
1
2
Battery
Status LED
* The garage door opener may run slower
if the battery is not fully charged. The
battery will take 24 hours to fully charge.
NOTE: Make sure the garage door
opener is unplugged.
ALWAYS wear protective gloves and
eye protection when changing the
battery or working around the battery
compartment.