Nothing is worse than having an amazing smartphone with little or no battery power. Seeing the dreaded "20% battery remaining" pop up as soon as you leave for the day is something I never want to see. Having a portable iPhone charger handy can keep your iPhone charged when it matters most. There are many portable iPhone chargers which can keep your iPhone charged when you are away from the USB or wall outlet, but which is the best? Below are four general categories of portable iPhone chargers to help you make your decision easier.
Standard Car Charger
Car chargers have been around long before the iPhone and continue to be a popular choice. Often times accessory packages include a car charger, which means in most cases users have a car charger for their iPhone from the start. While the car charger is a staple in portable chargers, its functions are quite limited. It's most obvious restriction is the fact you have to be in or around your vehicle to power up.
Battery powered charger
Battery powered mobile device chargers simply transfer the power from standard batteries (such as 2 AA) to your iPhone. Generally, they are relatively cheap to buy plus easy to keep charged. Simply pop in the 2 AA (or similar) batteries and you're ready to go. One tip for if you plan on using a battery-powered charger regularly is to use rechargeable batteries. This will save you countless trips to a store as well as save money over time.
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