Chamberlain 4228 Replacement Battery for Garage Access Systems

The Chamberlain G4228 Replacement Battery Backup ensures your garage door opener functions seamlessly even during power outages. With this product, all safety and security features remain operational as if the power were still on. The battery backup weighs 1.5 kg and measures 9 x 7 x 10 cm.

• This rechargeable battery with 5000 mAh capacity provides extended power backup
• It is a suitable replacement battery for compatible Chamberlain systems
• The ergonomically designed battery helps avert lockouts