Liftmaster 475LM Evercharge Battery Back-Up System
Liftmaster 475LM Evercharge Battery Back-Up System
  • Works with LiftMaster® models 2500, 3500, 3800 and 8500C garage door openers 
  • Operates the garage door opener as if the power was still on (all safety and security features still operate)  
  • Audible signal sounds when door is moving under battery power
  • Bright LED lights let you know when the Battery Backup is charging, in use, or when the batteries need to be replaced
  • (Garage Door opener not included)

 Liftmaster 475LM Instruction Manual

  • Item #: Liftmaster 475LM Battery Backup

Liftmaster 475LM Evercharge Battery Back-Up System

Price: C$114.95
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