September 29, 2026
This replacement battery provides standby power to your garage door opener so you can open and close your door up to 20 times during a power outage.
It’s designed to fit Chamberlain® and LiftMaster® garage door openers that feature an integrated battery backup system—no special tools or wiring required. Simply plug it into your unit’s designated battery compartment.
Built to deliver reliable power for 1 to 2 years, depending on usage and environment. When it’s time to replace, your garage door opener will alert you with a warning signal.
Swap your old battery with this one in just minutes. Instructions are typically included with your opener or available through Chamberlain support.
This 12V, 5Ah battery is maintenance-free and spill-proof, giving you a safe and worry-free experience.
| Specification | Details |
|---|---|
| Type | Sealed Lead-Acid (SLA) |
| Voltage | 12V |
| Capacity | 5Ah |
| Compatibility | Chamberlain® Battery Backup Openers |
| Lifespan | 1–2 years (average use) |
| Usage During Outage | ~20 full open/close cycles |
| Installation | Tool-free; plugs directly into opener |
| Maintenance | Maintenance-free and spill-proof |
Your garage door opener beeps every 30 seconds
The battery status LED light turns red
It’s been more than 2 years since the last replacement
Replacing your battery ensures your garage door opener is always ready, especially in emergencies.
If your garage is the primary entry point to your home, this replacement battery is a must-have. Don’t wait until the next storm—replace your backup battery regularly and keep your garage system ready at all times.
Keep Your Garage Door Running During Power Outages
By Family Garage Door Repair – Charlotte, NC
When the power goes out, your garage door shouldn’t become a problem. That’s where the Chamberlain Battery Backup Replacement 4228 comes in—a reliable power source designed to keep your garage door opener functioning even when your home loses electricity. At Family Garage Door Repair of Charlotte, NC, we offer expert installation and replacement of this essential backup battery, so you’ll never be left out in the cold.
The Chamberlain 4228 Battery Backup is a 12-volt, 5-amp-hour (5Ah) sealed lead-acid battery designed to provide backup power for Chamberlain and compatible LiftMaster garage door openers. This battery ensures your garage door will continue to open and close properly for up to 20 full cycles during a power outage, offering peace of mind and continued access to your home.
Compatible with a range of battery backup-equipped openers, the 4228 battery fits into the system seamlessly and starts working immediately when it senses a power loss.
Never worry about getting stuck inside or outside during a storm or power failure. The 4228 provides short-term power, allowing your garage door opener to run for hours after the lights go out.
The 4228 ensures a perfect fit for Chamberlain and LiftMaster garage door openers with battery backup systems. Models that support this battery include those from the LiftMaster Elite and Chamberlain MyQ product lines. If you’re not sure if your unit is compatible, our team is here to help.
The Chamberlain 4228 is sealed, rechargeable, and designed to last up to 3–5 years with normal use. It’s a low-maintenance power source that you can depend on, without the need to check water levels or perform regular maintenance.
While the battery itself is simple to install, Family Garage Door Repair of Charlotte offers professional battery installation to ensure everything is set up correctly. We’ll test the system, install the battery, and verify everything is working properly before we leave your home.
| Specification | Details |
|---|---|
| Battery Type | Sealed Lead-Acid (SLA) |
| Voltage | 12 Volts |
| Capacity | 5 Amp Hours |
| Compatibility | Chamberlain and LiftMaster models |
| Backup Runtime | Up to 24 hours or 20 cycles |
| Maintenance | Maintenance-free design |
| Lifespan | 3 to 5 years |
| Part Number | 4228 |
We’re your local garage door experts, and we proudly serve Charlotte, NC, and surrounding communities. Our professional technicians specialize in all types of garage door repairs and upgrades, including battery backup installation. With us, you can expect:
Our goal is to ensure your garage door remains a reliable entry point to your home, no matter what the weather—or power grid—is doing.
If you’re unsure, give us a call, and we will inspect and test your backup system for free.
Don’t wait for a power outage to realize your garage door opener’s battery is dead. Call Family Garage Door Repair of Charlotte today, and we’ll help you stay prepared with a fully functional Chamberlain 4228 Battery Backup.
Contact us now to schedule an appointment or request a free estimate.
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