Bought CC C200 from Amazon (£4.69 from 3rd party seller, but fulfilled by Amazon)
Does give AC charging =)
Need to do some more testing, as I get AC charging using the "curly" HTC cable I got with the CC C200, with one of the other USB car chargers I have + want to double check that phone doesn't drain, using GPS even with AC charging
From the testing done so far, even with AC charging - it doesn't provide enough power to run GPS (CoPilot), without losing charge & was running Core Control - using 2 cores
Going to test another car to start ruling things out =(
I use CoPilot (v8) quite a bit, mine manages to hold charge and stay topped up.
I think being in (not very sunny UK) helps as if the One X is in direct sunlight it will warm up, add charging and use and you have a recipe for heat.
Maybe try directing an AC vent on to your handset.
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