The lithium batteries are expected to last approximately 5 years so should last long than the other type batteries but like any battery they will eventually die and need to be replaced.
Battery size for chamberlain garage door opener.
Mighty max battery ml5 12 12v 5ah chamberlain 41a6357 1 garage door opener battery brand product.
Chamberlain liftmaster craftsman 4228 replacement battery for battery backup equipped garage door openers packaging may vary 4 6 out of 5 stars 2 028 29 06 29.
The majority of garage door opener transmitters taken the smaller circular lithium batteries instead of the larger aa or 9 volt batteries.