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Apple MD712LL-A Power Adapter
When purchasing a replacement AC charger, choosing the Apple brand one is the best one to choose. If you decide to buy an non-Apple adapter, it is imperative to note both the volts and amps outputs. The Apple MD712LL-A power adapter provides two functions, to charge any and all batteries and powering the laptop. Because Apple has been known to use a single AC adapter that can be used on other units, be sure you choose the right one. A universal power adapter can be used but only if necessary.
Clues to watch for to know your laptop charger is going to die
- Your Apple battery refuses to charge every time
- The majority of Apple power chargers get warm when they are plugged in for a period of time
- The unit will not run without the battery installed
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