MacBook Pro power on 12VDC sailboat

In order to run your charts on the sailboat for 8 hours you need to plug it in.

MacBook Pro operates on 18 VDC.
There is a possibility it would run on 12 VDC, but I don't want to try.
The MacBook Pro 110VAC power supply uses 85 Watt.
Draw: (85 Watt/110 Volt) = 0.77 to 0.9 Amps (conversion waste)
So the basic alternator with 2 Ampere charging should sustain it when motoring.
Of course you need a 12 VDC to 110VAC inverter (100W) that costs about $35.


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