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The Chamberlain 4228 Replacement Battery is a 12V, 4.5 Ah AGM lead-acid battery designed specifically for Chamberlain battery backup garage door openers. It provides up to 20 emergency power cycles, ensuring your garage door remains functional during power outages. Compatible with all Chamberlain models, this OEM-quality battery offers easy installation and reliable performance, making it an essential upgrade for uninterrupted home access.

| ASIN | B00213KW66 |
| Amperage | 4.5 Amps |
| Antenna Location | Game Platform |
| Battery Capacity | 4.5 Amp Hours |
| Battery Cell Composition | Lead-Acid, AGM |
| Battery Cell Type | Lead-Acid, AGM |
| Battery Weight | 3.64 Pounds |
| Brand | CHAMBERLAIN |
| Built-In Media | Replacement Battery For Garage Access Systems |
| Customer Reviews | 4.7 out of 5 stars 7,599 Reviews |
| Global Trade Identification Number | 00012381742288 |
| Item Dimensions | 4 x 2.7 x 3.5 inches |
| Item Type Name | Battery Backup |
| Item Weight | 3.64 Pounds |
| Manufacturer | Chamberlain |
| Model Name | 4228 Replacement |
| Model Number | 4228 |
| Number of Batteries | 1 12V batteries required. (included) |
| Recommended Uses For Product | Game Platform |
| Reusability | Rechargeable |
| UPC | 012381742288 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |
| Warranty Description | 2 |
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