Liftmaster 485LM EverChargeTM Battery Backup System allows you to still come and go through your homeÍs primary access point, your garage door, when the power goes out.
- For use with LiftMaster® models 3850, 8360 and 8550 garage door openers
- Operates the garage door opener as if the power was still on (all safety and security features still operate)
- Standby Power System and opener are one logic board, resulting in better performance in Standby Power mode
- Improved Battery Recovery System
- (Garage Door opener not included)
- Free shipping
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