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Apple MacBook Pro MD103LL-A Power Adapter
The Apple MacBook Pro MD103LL-A power adapter has two main uses, to charge up the main battery and to provide a source of power for the unit. Because Apple has been known to use a single AC adapter that is most likely used on other laptop models, be certain to thoroughly note the part number that is needed for this model. If buying off-brand, it is imperative to note the output of amps and voltage. A universal power adapter is another possibility if you absolutely need to. Upon choosing a replacement AC adapter, choosing the Apple brand one will probably be the safest way to go.
Warnings of a weakening laptop charger
- The unit will not operate using just the AC power adapter
- Most Apple AC adapters can get quite warm when plugged in for any length of time
- Battery does not charge at all
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