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Old 08-14-2013, 08:37 AM   #21
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Originally Posted by jpons View Post
My 20 foot Safari has three 12v outlets and what I have done is purchase a few of these chargers with dual 3Amp outputs. Not only will they charge the iPhones faster, but they can also charge high drain devices like iPads easily. I use these in conjunction with a plethora of different cables (USB, USB Mini, USB Micro, iPhone 30Pin and iPhone Lightning) to charge all sorts of stuff. What I like about using the 12v chargers is that I can use them with or without shore power and without having to use an inverter.
FWIW, I believe the outputs are 3A TOTAL, one 1A and one 2.1A.
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Old 08-14-2013, 08:53 AM   #22
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Originally Posted by wayneskid View Post
FWIW, I believe the outputs are 3A TOTAL, one 1A and one 2.1A.
Yes, you are correct, the specs are "Input: 12-18V DC, Output: DC 2.1A + 1A (Total 3.1A Output)" I did not mean to imply that it was two 3A outlets. What this means is that you do not want to plug in two high drain devices on one of these, for example two iPads, as they will charge slowly. However I have been fine plugging in an iPad and an iPhone into one of these.

There are other adapters out there with higher amps, but I have not tried them.
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Old 08-14-2013, 10:56 AM   #23
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Handy tip is to mark the adapter so you know which side is the 2.1a.

I found myself mixing the up before I did that.

The stock labels on mine required you to pull out the adapter and even then it was difficult to see.
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Old 08-14-2013, 10:29 PM   #24
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I use a white USB cord for the 2.1A side and a black cord for the 1A on my dual adapter for my iPhone and iPad. Makes it easy to keep things straight.
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