Previous 1 2 Next 27 Replies Latest reply: Aug 9, 2012 5:05 AM by gordonoga
giguerem Level 1 Level 1 (0 points)

Hi !

 

Do you think a 4 amp charger for iPad 3 could speed up the charging time?

 

It's dangerous. Ipad support ?

 

Thank's


iPhone 4, iOS 5, iPhone 4S
  • imobl Level 5 Level 5 (4,415 points)

    Best charger to use with you new iPad 3 is the one that

    came with it.

  • tyler39 Level 2 Level 2 (360 points)

    Since the iPad only draws 1 amp(10watts) it may cause the capacitors the leak excess voltage. Conclusion A 4 amp chager may cause a voltage spike destroying the iPad. I would suggest using the adapter that came with the IPad.

  • Rudegar Level 7 Level 7 (21,390 points)

    "Since the iPad only draws 1 amp(10watts) it may cause the capacitors the leak excess voltage. Conclusion A 4 amp chager may cause a voltage spike destroying the iPad. I would suggest using the adapter that came with the IPad."

     

    no this is 100% wrong

     

    it's 5volts and watt == volt * amps

     

    so ipad draws 2 amps

    and it's draws! not being feed

     

    it draws the amps out of the charger as much as it require

    if the charger is able to supply 4amps or 40MEGA amps dont mean anything at all

     

    it's all down to ohms law

     

    volt spikes have nothing to do with how much amp a device can supply

  • giguerem Level 1 Level 1 (0 points)

    iPad use 2,1 amps charger. Not 1 amp: 5volt * 2,1 amps = 10,2 watts

    Theorically, it should not be any danger. 5 volt * 4,2 amps = 20,8 watts

    In theory, it's voltage can be problematic.

    The amp is the flow.

    Question: Does iPad supports 4 amps ?

     

    The iPhone accept 2 amps charger's iPad !

     

    Thank's

  • Rudegar Level 7 Level 7 (21,390 points)

    I doubt it

     

    it will draw as much amps as it is made to draw

    when more is drawn the volts automaticly starts to lower

     

    so if it was able to support higher amps then they had to supply a

    measuring the volt levels at charging times to adjust it's internal resistence

    to make sure it didn't draw too much so the volt levels would get too low

     

    doubt apple would include that system when their chargers only supply 10watt

  • giguerem Level 1 Level 1 (0 points)

    I believe that Apple provides a 10 watt charger to save $$$$.

    I always use the chager's iPad for my iphone and ipod

    I'm septic.

    I would like to test it.

       

    Thank's

     



  • Nathan-D Level 3 Level 3 (895 points)

    I know that using the iPad charger on my phone carges the phone faster than if I use the one that came with the phone.

  • Philly_Phan Level 6 Level 6 (12,055 points)

    IF the charger has been manufactured properly, it absolutely positively will not harm the iPad but that's one heck of a big "IF," especially since a 4A charger will not provide any benefit whatsoever.  4A is capability, not actual charge current.  The iPad circuitry determines the actual current.

  • Philly_Phan Level 6 Level 6 (12,055 points)

    giguerem wrote:

     

    I believe that Apple provides a 10 watt charger to save $$$$.

    Are you willing to risk voiding your warranty and damaging your iPad to prove it?

  • tyler39 Level 2 Level 2 (360 points)

    Come on. I'm not gonna do math after 48 hours of no sleep. I do know though that higher amped 3rd party chargers do damage devices. I repair them all the time.

  • tyler39 Level 2 Level 2 (360 points)

    Oh and its not the amps that kill it. It's the leaky compacitors that spike the voltage beyond 5 volts

  • Philly_Phan Level 6 Level 6 (12,055 points)

    tyler39 wrote:

     

    I do know though that higher amped 3rd party chargers do damage devices.

    It's not the amerage capability that causes the damage.  It's poor design and/or manufacturing techniques.

  • tyler39 Level 2 Level 2 (360 points)

    Hence why I said compacitors that leak excess voltage.

  • Philly_Phan Level 6 Level 6 (12,055 points)

    tyler39 wrote:

     

    Hence why I said compacitors that leak excess voltage.

    Agreed.  I posted before I saw your comment.  My position is that even lower-amperage devices can cause damage if poorly designed and/or manufactured.

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