The Genie 38518R.S is a Replacement outer housing assembly for the Genie BBU battery backup unit. Constructed from Plastic. Compatible with Genie BBU Battery Backup Unit (select Genie garage door opener models with integrated battery backup). Mounting: Matches original BBU mounting configuration.
A: The BBU (Battery Backup Unit) is Genie's integrated battery backup system that allows select garage door openers to continue operating during a power outage.
A: The housing assembly is the outer plastic enclosure or case for the BBU module. It protects internal battery backup components from physical damage and environmental exposure.
A: Replace it when the original housing is cracked, broken, or damaged to the point where it no longer properly encloses and protects the BBU components.
A: The .S suffix in Genie part numbers denotes a service or replacement part for the aftermarket or service channel.
A: No. This is a housing or enclosure replacement only. The internal battery and electronic components are separate items and are not included with this housing assembly.