Liftmaster 41B591 Battery Replacement Set for 475LM Liftmaster Compatible with Wayne Dalton 9100

Compatible with Wayne Dalton 9100

LiftMaster

Frequency: 315 or 390 Mhz

Both will continue to work

Wayne Dalton Garage Door 3" Inside Sliding Side Lock

Liftmaster 41B591 Battery Replacement Set for 475LM Liftmaster Compatible with Wayne Dalton 9100Liftmaster 41B591 Battery Replacement Set for 475LM EverCharge Standby Power System Replacement Battery Set for the 475LM. Liftmaster original equipment replacement part. Don't get stuck. Make sure your batteries are fresh so you can depend on your garage door opener when the power goes out. Liftmaster garage door opener models that may be equipped with this optional battery backup system: 2500B, 3500, 3800, 8500 Includes: Pair of New Liftmaster