Switch off your apple laptop ac adapter when you are not using the laptop to prevent overheating.Always put first the DC output plug into the laptop’s power jack before putting the input plug on the power outlet.Leaving a battery in a laptop while using MacBook Pro 17 Inch A1297 ( Early 2011) adapter for long periods of time will keep the battery in a constant state of charging up and that will reduce the life cycle of the battery.Make sure your new MacBook Pro 17 Inch A1297 ( Early 2011) computer charger has the same plug (adapter tip) as the original one and outputs the same voltage as the original one. Each laptop computer requires a unique voltage, current and connector.MacBook Pro 17 Inch A1297 ( Early 2011) Laptop AC Adapter Maintenance Tips

MacBook Pro 15 Inch A1286 (2009 Version).MacBook Pro 15 Inch A1286 (2008 Version).This MacBook Pro 17 Inch A1297 ( Early 2011) Laptop AC Adapter Fits the Following Models: This Apple MacBook Pro 17 Inch A1297 ( Early 2011) Adapter Replaces the Following OEM Part Numbers: High quality, plus cheap price, your best buy MacBook Pro 17 Inch A1297 ( Early 2011) power supply. The universal 100/240V power input means you can use the Apple MacBook Pro 17 Inch A1297 ( Early 2011) Laptop Battery Charger around the world with an appropriate plug adapter for whatever region you are traveling to. Designed exclusively for use with Apple notebooks, this MacBook Pro 17 Inch A1297 ( Early 2011) AC Adapter is totally compatible with original equipment, can work as genuine parts.

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