Description
Liftmaster 485LM OEM Battery Backup
****THIS IS A LIFTMASTER BATTERY NOT A GENERIC REPLACEMENT****
MODEL 485LM EverCharge Integrated Standby Power System For use exclusively with the LiftMaster garage door operators (3850/8550)
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.
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