Thread: Unbriking Kindle DX
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Old 09-28-2012, 10:04 AM   #77
knc1
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Quote:
Originally Posted by cavorite View Post
@knc1 - I've been using a spare ipad charger, which has a higher output current spec to allow the ipad to fast charge. I believe this is equivalent to the high current usb ports on the macbook pro I have. Now have the DX connected to the mac in order to have a reinforced ground for the TTL converter, as geekmaster suggested.

Nice "solution" to the charger problem from Amazon...
Isn't that a nice solution?
Hey, if its broke, don't ship it.

What your doing should be alright, those are probably 300ma maximum ports - just like the macbook "high current" port.
The Kindles (the few models I know about) can handle a 500ma charge rate.
The Amazon charger can output 800ma - and the firmware wasn't written to detect/correctly handle an "over current" condition.

The Kindle battery (at least the ones used in models capable of using 3G) can source/sink a 3amp (3000ma) current. So even the Kindle's "fast charge" wall charger wasn't coming close to "fast charging" that battery.
Last edited by knc1; 09-28-2012 at 10:08 AM.
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