Apple MacBook Pro Power Supply MA357LL/A 661-3994 A1172

 Original Apple 85W Power Adapter

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Apple Model #: A1172

P/N #: MA357LL/A  661-3994 661-4259
 

Input: 100-240V   50-60Hz  1.5A

Output: 18.5V  4.6A   85W

Genuine

Original (not replacement ac adapter)

Apple 85W MagSafe Power Adapter

for

MackBook or MacBook Pro

Use an extra adapter for home or work. Apple's new, innovative AC adapter is made specifically for your new MacBook Pro.

The 85 Watt MagSafe Power Adapter features a magnetic DC connector that ensures your power cable will disconnect if it experiences undue strain and helps prevent fraying or weakening of the cables over time. In addition, the magnetic DC helps guide the plug into the system for a quick and secure connection.

When the connection is secure, an LED located at the head of the DC connector will light; an amber light lets you know that your portable is charging, while a green light tells you that you have a full charge. An AC cord is provided with the adapter for maximum cord length, while the AC wall adapter (not provided) gives users an even easier and more compact way to travel.

Designed to be the perfect traveling companion, the adapter has a clever design which allows the DC cable to be wound neatly around itself for easy cable storage.

This power adapter recharges the lithium polymer battery while the system is off, on, or in sleep mode. It also powers the system if you choose to operate without a battery.

Compatible with MacBook Pro.