Recently I was sent a new accessory for the iPhone 4, at first glance it looks like just another iPhone 4 case, however it features a power pack and USB output, this gives your iPhone 4 over double its usual battery life and can also power for 5V devices via its USB port.
According to the specs on the back of the packaging the product weighs 74 grams (roughly half the weight of the iPhone 4), it features a 2000 mAh Lithium-ion battery and can be charged via the iPhone 4′s standard charger, this battery will give you upto 390 hours of standby time, 31 hours of audio play, 9 hours of video play, 8 hours of internet use via WiFi, 6.5 hours of internet use via mobile data and upto 6.5 hours of talk time.
When you open up the packaging you can instantly see and feel the great build quality, the product itself is made from a firm plastic material and has a rubberized finish, the top of the case easy pulls off and allows you to slide in your iPhone 4, once in you re-attach the top of the case for a tight and secure fit.
Once you have fitted the case / battery pack you will note that the manufacturer has taken care to ensure you have access to all of the physical buttons and the camera, also the casing should help to reduce the dreaded iPhone 4 deathgrip reception issues and when we tested voice and audio functionality the microphone was still as clear as usual and audio playback was not muffled.
As mentioned before you can charge your iPhone 4 power pack via the standard iPhone 4 charger, whether the iPhone 4 is fitted or not, if your iPhone 4 is running out of charge you can simply switch on the power pack, which then ensures the power pack’s battery is depleted, not your handset’s. There is an LED which lights up green when the pack is in use and red when it is charging.
There is a USB port on the side of the product which allows you to charge and use devices which require 5V, I tested this with my iPod Nano and BlackBerry Bold 9700, both of which worked just as it does when you charge your products via a computer’s USB port.
Overall I think that the iPhone 4 Power Pack with USB Output is a very well-built product which will prove to be very useful if you run out of charge on a regular basis, not only this but it will protect the back and sides of your iPhone 4 if it is dropped and should combat “antennagate”, you can buy yours for $30 here, we have embedded a video demonstration below.
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