“Why 5v when cars have12v systems? Isn't charging slower? Why 5v when cars have12v systems? Isn't charging slower?”

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• Most USB powered or charged devices operate at +/- 5v DC. Discovery Channel has a neat analogy on electricity: http://science.howstuffworks.com/environmental/energy/question501.htm

  Answered by cgherrera 13 years ago

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• Hi! Thanks for your question. Rocketfish takes saftey as well as performance into account when they make their devices. If you have any further questions on this issue or would like to speak with a live agent, please call: 1-888-BESTBUY

  Answered by jenBBYMobile 13 years ago

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