Mid 2009 Model A1278 / 2.26 or 2.53 GHz Core 2 Duo processor EMC 2326

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pram battery MacBook mb991

MacBook Pro 13" Core 2 Duo Models mb991

hi.is there any pram battery in macbook pro mid2009?

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Apple MacBook Pro "Core 2 Duo" 2.53 13" (SD/FW) Specs

Identifiers: Mid-2009 13" - MB991LL/A - MacBookPro5,5 - A1278 - 2326*

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There is no replaceable PRAM battery in this model. This model uses a capacitor on the logic board to hold the PRAM settings.

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No - the "regular" battery provides that function.

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Yes, you need to unsolder it. It is located right next to the trackpad connector. It looks exactly like a small watch battery with solder tabs. Be very careful, too much heat and the logic board trace will lift.

"I am looking at a small battery soldered onto the A1278 logic board right now as I type. All macbooks and macbook pros have batteries, but most are on a pigtailed connector either taped to the logic board or hidden under the optical drive. The sizes range from a 1/4 dime to a quarter. The types are lithium although the smallest almost seem like alkalines?"

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