Battery Replacement Instructions
1. Disconnect power to opener.
2. Using a Phillips head screwdriver, remove the battery cover
on the motor unit.
3. Remove old battery and discard.
4. Partially insert new battery into motor unit with terminals
facing out.
5. Connect red (+) and black (-) wires from motor unit to
corresponding terminals on battery.
6. Replace battery cover.
7. Reconnect power.
LEAD
RETURN
RECYCLE
Pb
To reduce the risk of FIRE or INJURY to persons:
• Disconnect ALL electric and battery power BEFORE
performing ANY service or maintenance.
• Use ONLY LiftMaster 485 Series batteries for replacement.
• DO NOT dispose of battery in fire. Battery may explode.
Check with local codes for disposal instructions.
ALWAYS wear protective gloves and eye protection when
changing the battery or working around the battery
compartment.
WARNING: This product can expose you to chemicals including
lead, which are known to the State of California to cause cancer
or birth defects or other reproductive harm. For more informa-
tion go to www.P65Warnings.ca.gov
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