May 20

Third Rail Case Adds Removable Battery to iPhone

Posted in: Accessories and Peripherals, iPhone, Today's Chili

The Third Rail battery piggy-backs onto its own iPhone case

The Third Rail case is much less dangerous than it sounds. Instead of being a huge metal beam that carries a gazillion volts with the dual purpose of powering underground trains and terrifying children, the Third Rail is an accessory battery pack for your iPhone.

It’s not just another chunky juice-pack style case, either. While the case itself remains permanently attached to your iPhone, the battery is removable. When needed, it piggy-backs onto the case and provides its electrical replenishment. This cuts down on bulk and also lets you carry more than one spare.

The Smart Battery, as it is called, has a pair of USB ports on it, too. One is for charging the battery, and the other is for juicing any other USB-powered devices you might have.

I used to use a small, plug-in external battery for my iPod Touch, and while it was super-handy, it hung from (and often detached from) the dock connector. The Third Rail system seems to combine the best parts of power cases and external batteries.

The “Slim Case” will cost $40, and a battery costs $60. You can also opt for the kit with everything , including cables, for $90.

Third Rail product page [Third Rail. Thanks, Ashley!]

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