Liftmaster 475LM EverChargeTM Battery Backup System allows you to still come and go through your home’s primary access point, your garage door, when the power goes out.
Liftmaster 485LM EverChargeTM Battery Backup System allows you to still come and go through your home’s primary access point, your garage door, when the power goes out.
The Liftmaster 485LM EverChargeTM Battery Backup System can be used with the Liftmaster Model 3850(available separately, Liftmaster 3850 Model)
The Liftmaster 475LM EverChargeTM Battery Backup System for use with the Liftmaster 3800 is also available.475LM Battery Backup
