🔑 Unlock peace of mind, even in a blackout!
The CHAMBERLAIN Liftmaster 485LM Battery Backup is a reliable solution for maintaining access to your garage door during power outages. This OEM product is compatible with various models and ensures you can come and go without interruption. Weighing just 3.13 pounds and featuring a compact design, it’s easy to install and offers long-lasting performance.
| Manufacturer | Liftmaster |
| Brand | CHAMBERLAIN |
| Model | 475lm |
| Item Weight | 3.13 pounds |
| Product Dimensions | 4 x 4 x 4 inches |
| Item model number | 485lm |
| Batteries | 1 12V batteries required. |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 485lm |
| Special Features | The Liftmaster 485LM EverChargeTM Battery Backup System can be used with the Liftmaster Model 3850(available separately,, Allows you to still come and go through your home’s primary access point, your garage door, when the power goes out. |
| Amperage | 4.5 Amps |
| Voltage | 12 Volts |
L**D
Plug and Play
Exact replacement for the Liftmaster. Silenced the annoying alarm after loss of power for a few days. System is working well with the new backup battery and alarm is silent. I would recommend this for replacement if required.
A**R
easy to install
Battery was perfect, easy to install
M**E
Well made!
Works fine, and is easy to replace!
D**E
Works perfectly well.
This is battery was a perfect replacement for the original Liftmaster battery which was inoperable after about 5 years, the expected time of its demise. It looked new, even if its manufacture date was about a year old which is no problem for a lead battery that has not seen any service, and it was in a Liftmaster box, with labelling on the battery which looked exactly like the original. Both are made in China, and it seems either original or made by the same company that sells directly to Lifemaster. Of course, since I just installed it, I can't comment on duration of life, but its surface voltage was correct, and it operates the door without problem with the AC disconnected from the motor.The battery was shipped promptly and came in good time, properly packaged.Based on service rates where I live, between the call and the extra markup on the battery if you buy it through dealers or servicemen, you'll probably save $150-$200 to do it yourself which is an absolute snap. I think any one of my five cats could have done it: Just remove one Phillips screw, pull the battery half out, disconnect the terminals, insert new battery halfway in the housing, reconnect the terminals, which are size coded to you can't get it wrongly, and push the battery home, close the door and reinsert the single screw. It takes all of a few minutes tops. Because this is a low voltage circuit, you don't need to turn off the power, and you are in no proximity to high voltage wiring. After you have successfully installed the battery, the low voltage beeping should go away, and you should have no more orange or red warning lights on the chassis. After you have had the battery in service for 24 hours, disconnect the motor by pulling out the AC power cord, simulating a power failure, and run the door up and down a couple of times to be sure that the battery is working properly with a load BEFORE you throw the shipping box away.BOTTOM LINE: ENTHUSIASTICALLY RECOMMENDED WITHOUT RESERVATION.
J**H
Perfect
Came in clutch when our old battery for our garage died. Really easy to replace.
"**"
Exact replacement for garage door opener battery
Exact replacement for the battery in my garage door opener. Quick delivery and item arrived in great condition.
G**R
Nice... fair price.
TY
M**R
Replacement battery for garage door
Received this replacement back up battery for garage door .delivered as ordered in a timely manner. Was easy to install following instruction. Would buy again.
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