top price Liftmaster 475LM Evercharge Battery Back-Up System
Amazon: Customer Reviews: Liftmaster 475LM Evercharge Battery 5 stars. "Replacement for 1st generation garage door opener battery" Father in law has the 1st generation of battery backup Liftmaster garage door openers. Newer
Works with LiftMaster® models 2500, 3500 and 3800 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 EverCharge® is charging, in use, or when the batteries need to be replaced.
Liftmaster 475LM Evercharge Battery Back-Up System
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Liftmaster 475LM Evercharge Battery Back-Up System Features :
- Works with LiftMaster® models 2500, 3500 and 3800 garage door openers
- Operates the garage door opener as if the power was still on
- Audible signal sounds when door is moving under battery power
- Bright LED lights let you know when the EverCharge® is charging, in use
- Bright LED lights let you know when the EverCharge® when the batteries need to be replaced
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