Input: AC 100-240V, 1.5A, 50-60Hz; Output: DC 20V-4.25A, 16.5A-3.65A. MacBook Pro A1398. Does not work on 2007 to 2011 model year Macbook Pro & Air! The built-in heat sink dissipates heat during charging and prevents overheating, ensuring safety, so you can use it safely.
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