At 8 am, September 25 this year, the licensed version of iPhone 4 is on hot sale, the majority of domestic "iPhone fans" line up overnight for iPhone 4. According to incomplete statistics, the sale of the licensed iPhone 4 a month, has reached hundreds of thousands of sales. This large number of user groups, once again let parts supplier blood boil. The majority of Apple accessories manufacturers quickly started to develop into human and material resources related peripherals around the iPhone 4. The demand for skilled mining people and fought for several years in the battery industry in Shenzhen Jie U.S. special Company, first brought us this iPhone 4 battery sets of products.

The iPhone 4 sets of special high-capacity battery, can greatly improve the iPhone 4 of standby capacity, improve the game iPhone 4 hours, but also for the majority of business people can bring plenty of "energy."

First we look at the U.S. special batteries Kit feature sets and parameters, this product is built-in 1,500 mAh battery, the input / output voltage of 5V, in line with domestic consumption standards. When the iPhone 4 sets of insert batteries after it will not affect the synchronization between with iTunes, everything simply press a button switch.

The overall external battery very good workmanship, casing with a high hardness of the engineering plastics, while using grinding process, feel very comfortable. IPhone 4 battery sets and a very close fit, if the iPhone 4 frosted film affixed to both sides, it may prevent normal insertion of the situation, Xiao Bian on two occasions during the trial plug difficulties arise, the final tear membrane and the back shell membrane screen before it could be used.

As built a capacity of up to 1500 mAh battery, so the thickness of 5mm, while the iPhone 4 is the world's thinnest smart phones; built-in 1400 mAh battery, body thickness of only 9.3mm. When using the battery cover when, iPhone 4 will grow to 14mm in thickness, this way they lose the characteristics of ultra-thin, but it has more full of feeling and 2900 mA when the strong battery life(iphone covers). Battery cover and insert the other brands in a similar way, the product uses a separate design, the upper part and lower part is connected to snap, snap when gently press the lower area, they can separate the top cover. Products, mold making process is relatively good, the seams less glitches.

Built-in Apple 30PIN data line interface, this will not prevent users to synchronize with the iTunes. Apple 30PIN cable directly to the battery cover can be charged, and access to power, the power set of the first battery charge(battery charger), press to open the key switch to the iPhone 4 after the charge, LED indication, etc. will be cycling.

The battery cover on the back with four blue LED lights, the working principle is simple, when a light is on, power is less than 25%, two lights, the power of 25% -50%, three lights, the power 50% -75%, four lights, the power of 75% -100%. When set to the iPhone with the battery charge, even on Apple 30pin cable is automatically converted to a spare battery, press the button switch can be synchronized with iTunes.

Based on the measured use of U.S. special kit for the iPhone 4 sets of rechargeable batteries time and time consistent with the original power supply, when the iPhone 4 less than 10% capacity, through the battery cover charge for the iPhone can charge in 3 hours to 98%. And because the battery cover has been constant current charge for the iPhone, so the loss of iPhone battery is not built-in battery sets. Users do not need to worry about that using the iPhone battery cover will reduce the life of the built-in battery. From: wholesale iphone cases

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