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  1.    #1  
    Last night my battery was getting low & I had 10 mins before I left the house (to watch fireworks!). So, I threw my Pre on the Touchstone & scored about a 10% increase in the battery. But was wondering, does the phone charge faster if plugged into the the AC adapter & straight to the power outlet?

    Just wonderin'.....
    Last edited by sherryterry1; 07/05/2010 at 09:39 AM. Reason: spelling
  2. mfaye9's Avatar
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    #2  
    Ya. I would also like to know this
    I love my Pre :P



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  3. cas_esq's Avatar
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    #3  
    Official documentation says the Touchstone is just as fast. Anecdotal evidence suggests USB charging may be slightly faster, but I haven't seen any comparisons posted here.
  4. #4  
    I haven't done any actually testing of this but I have noticed that when my phone is on the wall charger it gains more charge than laying it on the Touchstone. So I usually plug it in if I'm going somewhere and if I'm just hanging out at the house I'll have it on the touchstone throughout the day.
  5.    #5  
    I think all of us "forget" at times to put the phone on the TS & then realize we have to scoot out the door & won't have power access...so I'm glad I'm not the only one wondering...
  6. #6  
    Quote Originally Posted by Stevesrjr86 View Post
    I haven't done any actually testing of this but I have noticed that when my phone is on the wall charger it gains more charge than laying it on the Touchstone. So I usually plug it in if I'm going somewhere and if I'm just hanging out at the house I'll have it on the touchstone throughout the day.
    Same here. Faster on the wall charger. Even tho I haven't time it, but it seem to get more power.
  7. Jimbode's Avatar
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    #7  
    I have used the battery monitor while charge on TS and USB. It's the same, about 48% per hour (standard battery).
  8. #8  
    I always heard that Touchstone was slower at charging, but never looked into it. Make sure if you are charging via USB that the cord is hooked into a wall outlet and not the computer.


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  9. Jimbode's Avatar
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    #9  
    The TS just causes things to heat up quicker, other than that, same charge rate.
  10. #10  
    If anyone is also wondering about charging via computer... I know for a fact-that's the slowest. I believe charging using touchstone or wall charger are almost the same. Maybe a little more/less.
    Cheers!
  11. #11  
    ya computer is slowset the othet two seem about even
  12. #12  
    Makes sense. USB cannot pull the same 1 amp as a wall outlet.


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  13. #13  
    wall imo .
  14.    #14  
    Quote Originally Posted by Abyssul View Post
    I always heard that Touchstone was slower at charging, but never looked into it. Make sure if you are charging via USB that the cord is hooked into a wall outlet and not the computer.
    I never charge via the USB/Computer, always TS or via a power outlet/Pre AC adapter. (and occ. the car charger..)

    Thanx for the comments thus far....confirms my suspicions, power via the wall outlet seems to be faster....
  15. acidhax's Avatar
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    #15  
    For me, the wall charger is faster than the touchstone. Not by much, but it is faster.
  16. #16  
    Quote Originally Posted by sherryterry1 View Post
    ...does the phone charge faster if plugged into the the AC adapter & straight to the power outlet?
    The cable is faster. On long road trips, with GPS navigation and Pandora running, the charge rate is very slow. We plug directly into the phone otherwise one phone would die before the other was fully charged.

    -Jay
  17. #17  
    I had a lot of unplanned testing over the last 5 days, and this is what I found:

    Direct charge from wall into port was fastest and generated less heat. Touchstone was probably close, I would estimate about 80 to 85% charge rate when compared to the 'direct from wall'. I was using my pre+ (VZW) as a mobile hotspot. I had up to 3 devices sharing at one time. I would get the high temp warning (yes, there is a patch to allow the high temp warning, it isn't stock) pretty quick. I was sitting on a back porch in the shade, and the ambient air temp was about 80 to 83 degrees, and it would overheat on the touch stone pretty quick. So I went to direct from the wall (DFW), and it would last a little longer before the warning, and the charge % would actually go up whereas it seemed to stay steady on the TS.

    But as the day grew warmer, even the DFW would hit the hot alarm. So, I got a freezer pack out of the freezer and put a paper towel between it and my Pre...kept it cool enough! Later, it got too warm to stay out on the deck so I came in and set my pre on the TS and set the TS on a floor air register, so the cool air from the A/C in the house kept it cool.
    Sent from my slowly diminishing intellect

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  18. #18  
    My numbers are from using the "Battery Moniter" app.

    Touchstone and USB Wall charger are both right around 50% per hour. USB from computer around 40% per hour. And best is my iGo charger in my car, it does about 62% per hour (but using it always gives me heat warnings).

    I really wishes there was a way to determine what amperage the chargers were putting out, I would love to know what my iGo does.
  19. Leke's Avatar
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    #19  
    Wall charger is faster, TS was mainly established as a kewl cosmetic alternative
  20. #20  
    TS just as fast as wall charger, I can have both Pandora and the Nav app running while driving and my TS keeps my Pre at 100%. Very efficient way to charge my Pre and I don't have to deal with cable thingy.
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