Chamberlain B4505T Smart Garage Door Opener.
Chamberlain B4505T — 1.25 HP ultra-quiet belt-drive with MyQ, built-in Wi-Fi, and battery backup. Successor to the discontinued B970 in the premium MyQ + battery-backup slot.
The Verdict.
Gavler Meta-Score
“The right Chamberlain pick for buyers who already have a porch camera and don't need the B6753T's integrated cam — full MyQ feature parity at $30 less. Successor to the discontinued B970.”
The Gavler Verdict
Precision Engineering
MyQ Wi-Fi Built-in
Full MyQ ecosystem — smart-app, Amazon Key in-garage delivery, geofencing, scheduled close, Tesla / GM in-vehicle MyQ integration on newer model years.
1.25 HP Ultra-Quiet Belt-Drive
1.25 HP DC belt-drive delivers the same noise envelope as the B6753T — Chamberlain-tier ultra-quiet suitable for bedroom-adjacent garages.
Battery Backup Included
Battery backup is standard — carries the opener through power outages and meets California Senate Bill 969 compliance for new residential installs.
Technical Specifications
The Scoreboard
Chamberlain's successor SKU to the discontinued B970. Expert consensus reflects full MyQ feature parity + ultra-quiet belt-drive + battery backup; community scores reflect positioning against the $30-cheaper B6753T (with integrated camera) which is the better deal when buyers don't already have a porch cam.
Cast Your Vote
Do you think Chamberlain B4505T Smart Garage Door Opener deserves the #4 spot in Best Garage Door Openers?
Best Price Availability.
Prices checked April 2026
Global Critique
“The B4505T is Chamberlain's current premium MyQ belt-drive — the successor SKU to the discontinued B970 in this slot.”
“Full Chamberlain feature parity without paying for the integrated security camera surface — the right pick when you already have a porch cam.”
“MyQ remains the most mature smart garage ecosystem — Amazon Key in-garage delivery, geofencing, and scheduled close all work reliably.”
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