Chamberlain LiftMaster 3850

WITH EVERCHARGE BATTERY BACKUP BUILT IN.

For a higher level of security and uninterrupted convenience, we offer a garage door opener that continues working, even when the power goes out.

The EverCharge Battery Backup System will operate the garage door opener 40 cycles within a 24-hour period and recharge automatically when th epower comes back on. Plus, it’s the only opener with our patented EverCharge Battery Backup System built right in.

Ultra-quiet DC belt drive system. Variable speed soft start/soft stop. Audible signal tells you the power is out and EverCharge battery is in use.

• 200-watt lighting
• Meets all UL325 requirements
• Lifetime motor and belt warranty

LiftMaster 3850, the only professionally installed opener with fully integrated EverCharge Battery Backup.

ACCESSORIES INCLUDED
		Premium Remote Innovative design automatically streams brilliant blue lights from the push-button windows when you pass your hand over the remote.
		Smart Control Panel Displays time, temperature and diagnostic messages in 3 languages. A motion sensor turns opener lights on “hands-free” and a convenient “learn” button easily programs remotes.