|May 14, 2011, 02:12 AM||#1|
2-3 meter sync cables that charge full speed?
Can't find any that are worth a sh. Griffin makes one that's stupid thick, with stupid fat plugs that won't fit through any case, so who wants that garbage. Obviously ohm's law gives us some problems so keeping the same gauge wire while maintaining the necessary current may not be possible.. but I don't buy it yet. 2 amps .. is kind of considerable, but 16 gauge has to be overkill, i.e. the griffin.
Does anyone have a 2-3 meter cable, identical to the 1 meter Apple cable save for length, that charges the ipad at full speed? I would love you if you point me to it.
P.S. ..I guess I should explicitly say that I am using the ipad charging brick, and I already have a third party extra long cable that does not charge at full speed. I'm seeing lots of other similar complaints from others about this too.
|May 14, 2011, 08:47 AM||#2|
The only one's I've seen are the thick Griffin one's that you've mentioned. Instead of spending $30 on a cable I decided to spend $1.99 on a walmart extension cord and use my normal cable.
|May 17, 2011, 05:41 PM||#3|
|May 18, 2011, 12:48 PM||#6|
You might try trying a 3rd-party power brick.
The iPhone looks at the voltage coming in on the two data pins and that's what sets the charging rate -- 1A when powered from AC, 500mA when powered from USB.
I assume the iPad works similarly -- 2A vs 1A.
Given Apple's precision their own power brick is probably calibrated for their own charging cable and any difference in cable could be triggering the lower charge rate.
Again, we're talking about the voltage on the data wires, not the charging wires, and with the iPhone, a difference of less than 1 volt is enough to trigger the change.
A different power brick might have a little more 'slop' on the data wire output that the difference in cable won't trigger the lower charge rate.
Something to try anyway.
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