Liftmaster 485LM replacement battery
The lift master 485LM Integrated BBU replacement battery model is integrated with a standby power system for use exclusively with the LiftMaster model 3850 garage door opener. It operates the garage door opener as if the power was still on and all safety and security features still operate while on standby power. The system and opener are on one logic board, resulting in better performance in standby power mode and improved battery recovery system using the 485lm by liftmaster.
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