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Apple does offer a one year warranty, so if you are the first buyer, you should be able to register and get them to replace the battery for free. I don't know exactly when they discontinued selling that model, but start with trying to register that device to you at support.apple.com using the serial number from the box. You might need to call into support or ...


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Yes and no. If you get an apple certified charger, it will most probably only damage your battery as much as the apple charger, if not less. However, if you want to buy those cheap or even expensive chargers from a non certified producer, there is no telling what it might do to your phone.


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I vote no on the cheap cord. Went from 24hr battery life to 5. Forgot to plug it in one night bought a cheap one at the convenience store on the way to work. Charged a quarter of the way and stopped charging. Once home used apple charger ever since but battery life is terrible now. iPhone 5


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I disagree with parts of Nathaniel's answer. The normal iphone charger is 5W and just over an amp. Using an iPad charger, either the 10W or newer 12W will absolutely charge your iphone faster. In fact, almost twice as fast. However there's some speculation that it may shorten the battery's lifespan. I've had no problems using an iPad charger on my 5S and ...


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Any charger circuit has inner impedence,the wattage bigger,the inner impedence Will be smaller,the voltage drop while charging also smaller,the result is a charging time litter bit longer.On other side,the inner impedence contain resistance,it cause the charger warm ( temperature rise),so if you use the 5w Charger to charge an iPad,you can feel the adapter ...


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The battery doctor HD app by KS moblie tells me the charging current for my iPad 2. However the battery doctor app for iPhone 4s does not appear to give this information.


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There are 3 kind of USB hubs. Unpowered Non-powered, or passive, USB hubs do not have an external power source and only pull power from the computer's USB port, limiting the maximum pwoer to single USB (splitting). Powered Powered, or active, USB hubs use an external power source to bring each hub port to the same energy level as an on-system port, ...



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