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Best external battery for MacBook Pro 17?

S

sparklight

macrumors newbie
Original poster
Nov 12, 2012
7
1
Redding, California
I need a good, strong external battery to use with my MacBook Pro at a tradeshow. Need to run for about 10 hours on the combination of internal and external battery. Wifi OFF, that's a huge power savings. This is a 17”, the kind that wants an 85 W charger (though I can get away with a 65 W), and I'm reading that not all external batteries can handle this load. And, as a side benefit, I'd like to be able to charge my iPhone from it.

Looking for recommendations! Also, I'm assuming not all batteries come with a MacBook style connector – is this true, or is there some universal adapter system such that any external battery could serve?

Thanks to all,
Ken
 
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