AC adapter for MacBook, MacBook Pro, and MacBook Air

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Change Magsafe adapter to Magsafe2

I have and older Magsafe Adapter from 2009 MacBook pro. It was broken with the general cable issue. I have fixed it, however it's unused now. I can buy Magsafe 2 repair cable to use with my newer macbook but I don't know whether the voltage will fit. I don't want to burn my mac.

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U.S. shipping only companies are not a solution.

I've read on wiki that the voltage (not wattage!) are different. I would like to see whats inside of the original magsafe to magsafe 2 adapter. I don't need the adapter. I was asking whether I can solder the magsafe 2 adapter to older magsafe AC.

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Your Mac will only pull as much power as it needs. The voltages are the same. The difference is in the wattage. Here's an adapter you may need: http://store.apple.com/us/product/MD504Z...

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The inner large pins are V+ (14.5 / 16.5 / 18.5 VDC). Measuring with no load will give 6.86 V DC for MagSafe and about 3 V DC for MagSafe 2; the full voltage is provided after a ~40kOhm load is applied for one second.[8]

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Cheaper easier soloution

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