Оригинальный сообщение: Michael Miller ,
http://mikegyver.com/Magsafe-car-adapters/90w-all-in-one/ i run a solar panel to a battery with a dc charge controller. That way the battery smooths out the DC power for the macbook. brunton charge controller solaris 26 watt foldable. Do yourself a favor and look into ares / powerpoles so you never have to worry about which direction to wire everything.