Chamberlain 4228 Replacement Battery for Garage Access Systems

A dead battery in your garage door opener can really interfere with plans for your day, but you can avoid that by keeping the Chamberlain 4228 Battery on hand. It is a replacement for the battery in your garage door opener. The Chamberlain replacement battery recharges for up to 20 cycles without grid power and allows you to get in, even when the power goes out. It is compatible with any of Chamberlain's brand of battery-backup garage door openers.

Chamberlain 4228 Replacement Battery for Garage Access Systems: Replacement battery for Chamberlain garage access systems with battery backup Garage door opener battery operates garage door opener as if power was still on All safety and security features still operate when relying on backup battery power Charges for up to 20 cycles without grid power Compatible with all Chamberlain openers that have a battery-backup feature