Can i use this A1344 60W Magsafe Power Adapter for MacBook Pro (15-inch, 2.53GHz, Mid 2009)

I recently purchased a 60W Magsafe Power Adapter, Model A1344 and a new battery Model A1281. Can both of these be used on my Macbook Pro 15"(MacBook Pro (15-inch, 2.53GHz, Mid 2009))

Model Name: MacBook Pro
Model Identifier: MacBookPro5,4
Processor Name: Intel Core 2 Duo
Processor Speed: 2.53 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 3 MB
Memory: 4 GB
Bus Speed: 1.07 GHz
Boot ROM Version: MBP53.00AC.B03
SMC Version (system): 1.49f2

Apple 45W MagSafe Power Adapter for MacBook Air

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2 Answers from the Community

  • Best Answer:

    2009 model originally used power adapter with model number A1184(60W), so electrically, this new A1344 should work. Here is the catch, if you update your mac in the following year, current 15 inch model requires charger with 85W power, so you will end up with a unusable A1344. On the other hand, 85W charger can be safely used with both old and new 15 inch model(old one will only drain 60W from it) So it will be a good back up even if you update the machine. The only down side is its slightly heavier weight and larger size.

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  • The previous answer runs counter to all the info here, and doesn't make much sense electrically. The Macbook Pro which normally expects an 85W supply will try to draw more current from the 60W supply than it can normally give, and the supply will overheat and fail early. The 60W can probably supply 70W or 75W if it has to, but will certainly overheat over time. You would be alright to run it like that for a short while, maybe 10 minutes. Or recharge the battery only with the Mac shut down.

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