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Battery type for key fob

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Old May 26, 2016 | 07:27 PM
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Default Battery type for key fob

Hi -
I have a key fob for my 2000 Vette (bought used) which isn't working and I want to replace the battery. The one that's in it is a CR2450N. Some posts say it should be a CR2450. (They ARE slightly different).
Can someone please verify which battery is correct.
Thanks very much.
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Old May 26, 2016 | 07:33 PM
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The owner's manual says to use CR2450. Not sure exactly what the differences are, but I would use what the manual says.
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Old May 27, 2016 | 09:14 AM
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Just replaced both of mine last week. (cr2450) mine is also a 2000. I bought mine at Batteries Plus Bulbs. the cost was just under 10$.
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Old May 27, 2016 | 09:34 AM
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If it currently has CR2450N but the owners manual specifies CR2450 then it's safe to say you can use either one. I tried googling and the most I could come up with is "there is a difference, I just don't know what".
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Old May 27, 2016 | 11:45 AM
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Originally Posted by thisMSGgood4me
Good find. So the dimensions are slightly different but they're both 3v Lithium batteries. The description for the cr2450n states: "This CR2450N Lithium Coin Cell Battery is 3 volt. These cells have a special groove on the negative side of the battery that is required for certain devices." so it looks like the groove is the biggest difference which shouldn't really matter in the fob I don't imagine.
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