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TF300TL Car Charger

Discussion in 'Android Devices' started by LoneWolffe, Jul 23, 2013.

  1. LoneWolffe

    LoneWolffe Newbie
    Thread Starter

    The stock charger runs 15V 1.2A and 5V 2A. As far as I can tell, it charges at 15V when plugged into the base, charging the base, which charges the tablet in turn. Plug in just the tablet and it switches to 5V.

    Just bought a PNY 2.1A charger and was disappointed to find it wasn't charging the base. Well, duh, it's only 5V. It charges the tablet, bypassing the base, but somehow seems to drain the base as well?? Odd. Not sure if worth keeping just to charge the tablet.

    Has anyone come across a car charger that mimics the stock dual voltage charger? That is, I'm looking for a charger that take the 12-18V from the car and puts out 15V or 5V, depending on what's plugged into it. May not even exist.

    "There's no such thing as a fool-proof system. Someone will make a better fool, tomorrow."
     



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  2. peterc10

    peterc10 Android Enthusiast

    As I said before both the tablet and base uses 15v, according to the ASUS manual. I assume you have the tablet plugged into the base and the base to the charger? In that case the base is being drained because it is charging the tablet and the little 5v charger you have isn't man enough to keep up with either of them.
     
  3. Harry2

    Harry2 Extreme Android User

  4. peterc10

    peterc10 Android Enthusiast

    Good point Harry. As I understand it the Asus charger needs USB3 in order to decide whether to send 15v or 5v. That means it can be used with the tablet and keyboard on 15v and 5v for any USB device. A while ago I tried using a USB2 extension lead with the short Asus lead, and it only sent 5v to the tablet, which meant it would not charge.
     
  5. LoneWolffe

    LoneWolffe Newbie
    Thread Starter

    Hmm, need to check the tablet on the car charger to see this. Was using what was apparently bad information from another app telling me tablet voltage was 4.5V while on the dock. Now, off the dock and 95%charged it says 0.01V riiiiight.
     
  6. peterc10

    peterc10 Android Enthusiast

    The voltage needed to charge the battery has nothing to do with the voltage it is running on.
     
  7. LoneWolffe

    LoneWolffe Newbie
    Thread Starter

    oh well, still gonna keep the 5V charger for my smartphone. just have to not run out of power on the road with the tablet, i guess.
     
  8. peterc10

    peterc10 Android Enthusiast

    No you won't try this one or this one or this one

    All say they produce 15v 1.2A, so they should be OK, but the last one looks better built but more expensive
     
    wetbiker7 likes this.
  9. wetbiker7

    wetbiker7 Extreme Android User

    Nice. Thanks for taking the time to look these up. :)
     
  10. peterc10

    peterc10 Android Enthusiast

    Your welcome. I had seen them before on the Amazon UK site so it was an easy search on Amazon.com to find them. I may get one myself in case I need it.
     
  11. wetbiker7

    wetbiker7 Extreme Android User

    I may decide to get one too. It's always nice to have car charger for a device. :D They can come in very handy.
     
  12. LoneWolffe

    LoneWolffe Newbie
    Thread Starter

    i haven't even been able to do any looking up. leaving the country (US) for Peru in just 20 days. i could use a car charger i think. thanks for taking the time to post the links.

    i found a car charger for my hp probook 15.6" laptop a couple years ago. indispensable!
     

ASUS Transformer Pad 300 Forum

The ASUS Transformer Pad 300 release date was April 2012. Features and Specs include a 10.1" inch screen, 8MP camera, 1GB RAM, and Nvidia Tegra 3 T30L processor.

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