iExpander is an iPhone case that incorporates an auxiliary battery that doubles the life of a full charge, a microSD card for additional storage (an app will transfer files between the iPhone's internal storage and the memory card), and an improved flash for the camera.
The iPhone 5 version also features a built-in adaptor allowing the use of 30-pin accessories. A Lightning connector is included on the side of the case.
iExapnder will incorporate a supercapacitor from Sydney-based CAP-XX as part of its flash system to deliver more light when shooting photos and videos.
"BriteFlash is the perfect solution for high-power LED flash in smartphones, and the iExpander is a great example of how it improves the user experience," said Peter Buckle, vice president of sales and marketing for CAP-XX.
Mr Corry said "To meet our iExpander design objectives, we had to jam a lot of electronics into a small area, so finding thin components like the HS206 supercapacitor was essential."
The iExpander adds just 6.3mm to the thickness of the iPhone, which to the best of his knowledge makes it the thinnest iPhone battery case.
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Mr Corry is running a Kickstarter appeal to raise funds for the mould tooling, approvals, finishing the app, and ordering parts and materials in sufficient volumes to keep the final price down.
As of this writing almost $US39,000 has been pledged.
The largest pledge so far is $US1300, for which someone will receive a distributor pack of 20 iExpanders. Most popular are the $US70/$US75 pledges in return for one iExpander.
A total of $US125,000 in pledges must be made by October 21 if the project is to proceed.
