Liftmaster 475LM Evercharge Battery Back-Up System
The Liftmaster 475LM Evercharge Battery Back-Up System will give you the peace of mind of operating your garage door system during a power outage. These replacement batteries are compatible with Liftmaster models 2500, 3500, 3800 and 8500 garage door openers. This reliable battery back up gives you up to 20 cycles when the power goes out. The Liftmaster 475LM is simple to install as it sits on top and plugs right into the back of the garage door opener. For low headroom installations, it can be mounted to a joist/rafter on the ceiling.
- Operates the garage door opener as if the power was still on (all safety and security features still operate)
- Audible signal sounds when door is moving under battery power
- Bright LED lights let you know when the Battery Backup is charging, in use, or when the batteries need to be replaced
- Combatable with LiftMaster® models 2500, 3500, 3800 and 8500 garage door openers
MILLS COUPLE –
HAPPY STARS
I was surprised when my wife installed it herself, she said it was super easy, we are more than happy with it, it works well and I bet we will be just fine.
REVIEW BY MILLS COUPLE / (POSTED ON 9/6/2019)
SAM BRUE –
ITS GOOD
product is quite light and easy to install, didn’t have any troubles or ask the neighbors for help, lol. it’s system is running as desired and it worked good
REVIEW BY SAM BRUE / (POSTED ON 9/6/2019)
NICKI DELMO –
SO FAR SO GOOD
great item, always charged and good to go, it was pretty simple to install and we are having a great experience, hope things stay like this for a long time tho.
REVIEW BY NICKI DELMO / (POSTED ON 9/6/2019)