Chamberlain/LiftMaster/Craftsman 4228 Replacement for Battery Backup Equipped Garage Door Openers is ranked 1st in opener system parts based on our comprehensive analysis.
Reviewed by more than 2,204 consumers, more than 87% of the reviews about this Chamberlain opener system part had positive sentiment, meaning that these customers would probably advise purchasing this product when asked about a recommended opener system part.
$16.67 (as of 19/07/2018 20:19 PDT details )Features:
- 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 Door Openers with a Battery Backup System
- 12 Volt
- 5 Ah for use in Emergency Lighting
- Replacement Battery for Battery Backup Equipped Garage Door Openers
- Helps prevent lock outs
- 4.5 Ah for use in Emergency Lighting
- For use with all Chamberlain Garage Door Openers