Durable chain drive – Rugged steel construction with precision fabrication for dependable performance, use after use. Whisper Drive® Plus with EverCharge® Standby Power System – Model WD962KD; Chamberlain 3/4 hp Whisper Drive Plus w/Battery Back-up, Belt Drive – Model #WD962KD. The Good The Chamberlain Wi-Fi Garage Door Opener boasts its own Wi-Fi radio plus connection to the MyQ mobile app for remote access and operation. I purchased a Chamberlain Whisper Drive Model HD800D 1/2 HP garage door opener with a battery back up on 1.3.2006. View and Download Chamberlain HD920EV owner's manual online. Battery backup – ensures safe replacement ins-and-outs even during power failures. HD920EV garage door opener pdf manual download. When I checked the manual it sounds like something with the battery. Chamberlain Group B1381 Bright LED Lighting Smartphone-Controlled Ultra-Quiet and Strong Belt Drive Garage Door Opener with Battery Backup and Max Lifting Power, 1.25 hp, Blue 4.8 out of 5 stars 668 $289.00 $ 289 . Part of the Chamberlain Whisper Drive® family, the WD962KEV replaces the WD962KD. How do I fix this and make the noise go away. Operates the garage door opener as if the power was still on (all safety and security features still operate) For use with all Chamberlain Garage Access Systems with a Battery Backup System; Manual Chamberlain Garage Door Openers Reviews & Deals For Today. Replacement battery for Chamberlain Garage Access Systems with Battery Backup System (e.g., model WD962KD Premium Whisper Drive Plus). 1.25-HP Whisper Drive Belt Drive Garage Door Opener with Built-in Wi-Fi and Battery Back-Up Chamberlain brings quality, value and convenience together in the ultimate garage access solution. The Chamberlain Whisper Drive WD962KEV is a 3/4 HP* belt drive DC garage door opener with battery backup. Recently it has started to make a beeping noise. Compare all Chamberlain Models Side-by-Side. DISCONTINUED Chamberlain Garage Door Opener Models. The WD962KEV is the newest, most powerful model in Chamberlains DIY line. Also for: Hd930ev, Lw5000ev, Wd962kev, Wd962kpev, Wd962mlev, 349544. 00 $338.00 $338.00 Go here if you need a Manual for your Chamberlain Opener. The B970C offers innovative, high-tech features like built-in smart phone control making it easy to personalize your home and garage access setup and battery backup so you're never locked out of your home. Belt Drive Battery Backup.