Liftmaster 485LM OEM Battery Backup Garage Door Opener
- Always charged and ready, the EverCharge powers the garage door up to 20 full cycles when the power goes out..
- Audible signal sounds when door is moving under battery power. All safety and security features still operate..
- Bright LED lights let you know that the EverCharge battery is operable, when it is in use, or when the batteries need to be replaced..
- Same as part number 41A6357-1, 485LM and 4228.