Third Rail System for iPhone - Extra Juice for Your Smart Devices in an Ergonomic Package

Third Rail System for iPhone - Extra Juice for Your Smart Devices in an Ergonomic Package

The main feature of the Third Rail Slim iPhone case is the slide-on battery which fits in at the back of the case. The Lithium-ion 1,250mAh battery has a set of five lights which display the level of charge for the device. Still, is it worth its S$159 price tag? We find out.

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