This battery backup is compatible with LiftMaster garage door openers models 2500, 3500, 3800, and 8500. It operates the garage door opener seamlessly, even if the power is out. You can have peace of mind knowing that you'll never be locked out of your home in the event of a power outage.
This item is discontinued and no longer available.
| Size | 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38 |
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