PRAM Battery MacBook Pro Core Duo 15 Inch


I have had my Mac for 4 years and no problems with the PRAM battery. I am planning to replace the hard drive soon and considering replacing the PRAM battery at the same time.

1: Do you know the life of a PRAM battery i.e. is it a good idea to replace it even though it appears to have no problems (bearing in mind the battery's age)?

2: Your replacement PRAM batteries are marked 'Used' on the web site with a six month warranty. What total life can I expect from one purchased from ifixit?

Kind regards


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Hello Richard, To answer your questions in order

1. I don't know about others but I have always heard the expected life span of a PRAM battery was 5 years.

2. Any used battery is a guess--it might last 5 yrs and it might need to be replaced under warranty. If you are planning to keep the computer more than 6 months I would get a new battery. Less than that your current battery should be fine.

Good luck whatever you decide. Ralph

MacBook Pro 15" Core Duo Model A1150 PRAM Battery Replacement

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I generally get 3-4 years out of a pram battery, never had more than that.

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Richard will be eternally grateful.
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