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Liftmaster/Chamberlain/Sentex Garage Door Openers

4.6 out of 5 stars 153 ratings

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Brand Liftmaster/Chamberlain/Sentex
Battery Description Lithium
Batteries 1 12V batteries required.

About this item

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  • For use with the lift master 3800 and 8500 jackshaft garage door opener and estate series models
  • Audible signal sounds when door is moving under battery power
  • Simple to install, it sits on top of and plugs right into the back the opener
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Product description

For use with the lift master 3800 jackshaft garage door opener and estate series models 2500, 2500b, 2500d, 3500, 8500always charged and ready, the ever charge powers the garage door opener to open and close the garage door up to 20 full cycles when the power goes out. Audible signal sounds when door is moving under battery power. Bright LED lights let you know that the ever charge is operable, when it is in use, or when the batteries need to be replaced. All safety and security features still operate. Simple to install. It sits on top of and plugs right into the back the opener. For low headroom installations, the ever charge can also be mounted to a joist/rafter on the ceiling.


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