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Mine last about 20 minutes on no power. I think the recommend the battery be replaced every 3 years. You can run a self test with the software.
Sorry, there was a problem. Please try again later.You should be able to get 2 - 3 years of use out of new batteries, but this depends on the environment they are in and how often it is stressed.
Sorry, there was a problem. Please try again later.Our battery lasted 7 years.
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