CasePower A4i

Macworld Australia Staff
25 May, 2012
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CasePower A4i



One of the most compact, stylish battery cases we’ve seen


Interference with camera flash; side panels are flimsy



Let us start off by saying that, to date, a lot of battery cases for iPhone have been let down by the heft of clunky designs and unappealing styles. What’s the point in having a fully charged battery when your iPhone looks as if it’s been swallowed whole by a large mound of plastic?

We were pleasantly surprised, then, to get our hands on the CasePower A4i case for iPhone 4/4S. Compared to other competitor models, this one looks good – really good.

The A4i is made of durable, high- shine black plastic and comes with three interchangeable side panels in black, clear or blue. This is a nice touch to customise the case. Once the two components are fitted to your iPhone it’s hard to tell there’s an inbuilt battery at the back.

Getting started is a cinch: Dock your iPhone onto the external battery and attach the side panel, which snap-locks the handset and case together.

Charge the 1500mAh battery using the USB cable included (which can also be used to sync and transfer data between your phone and Mac) and you’ll get almost twice the amount of power from your phone.

We do have a few minor gripes, however. Although the back component of the case features a cut-out for the iPhone camera and flash, in our testing we found that the case interfered slightly with the flash function and this altered the appearance of photos.

Also, the side panels are quite flimsy, so take due care when fitting and removing the A4i from your phone.

Macworld Australia’s buying advice.

This is a solid product that does what it promises; its design keeps the integrity of the iPhone’s slim form and, aesthetically, it’s modern and stylish.



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