Ipad won't charge in car but iphones will

Discussion in 'iPad Mini Forum' started by BatEars, Dec 20, 2012.

  1. BatEars
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    BatEars iPF Noob

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    Hi just wondering if anyone knows why my iPhone will charge through my car stereo but not my ipad mini. It obviously the same voltage because you can use the same socket transformer and just change the USB cord so I don't understand why :/ thanks guys
  2. KevinJS
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    KevinJS Super Moderator Staff Member

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    It's hit and miss with car chargers. Some supply enough power, others don't.

    Sent from my iPad using iPF
  3. scifan57
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    scifan57 Super Moderator Staff Member

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    It's likely because the iPad mini has a larger battery than the iPhone, requiring more power to charge properly than your car charger can supply. Your iPad will charge, but at a much slower rate.
  4. Wolfpuppies3
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    Wolfpuppies3 iPad Junkie

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    You need 5 watts to charge the mini. Less than that makes the charging time really looooooong.
  5. Skull One
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    Skull One iPad Junkie

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    The issue is the amperage involved. iPhone can charge at an amperage as low as .25. The iPad Mini, if memory serves wants a minimum of .5 amperage. Your car stereo is probably putting out .4 amps or below to comply with the older USB 1.X and 2.0 standard.

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