Will charging my iPhone ruin my car battery if its off?

I'm currently in NJ and I'm one of those thousands that has its power out with no hope of it turning on soon. Inside my car I have a zagg dual USB car charger. If I plug in my phone or tablet to charge will it ruin my car battery if its not running on gas?

No. The worst thing that could possibly happen is that you'll run down your car battery to the point where your car won't start, and then you'll have to get your battery charged again or jump start your car.

People forget and leave their headlights on all the time and do the same thing, but it doesn't ruin the battery.

  • Will using a knockoff iphone charging wall adapter ruin my iphone? I know that knockoff iphone chargers are bad for your iphone, but will a knock off wall adapter have any effect or harm the iphone?
  • Will this ruin iPhone battery? I try to charge my phone battery up to 100% every charge, but sometimes if I need to go somewhere and use my phone, ill disconnect it when it is around 20-80%, come back pretty soon, and connect it again. Does doing this ruin the battery?
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