Just when we thought we’d seen every iPhone battery case, along comes the Third Rail.  And yes, it will shock you because it’s that good.

Unlike other iPhone cases, which have a single built-in battery, the Third Rail case uses a modular system that allows you to detach the battery portion and charge it independently.  As a result, multiple batteries can be charged and swapped out without having to remove the case from the iPhone.  The batteries can be stacked on top of one and other for added juice, though a single battery, which contains 1250mAh should be enough for a full charge.  And because they’re stackable, partially charged batteries can be combined to charge one to a full charge. Each battery weighs 1.4oz, and a micro USB plug lets you charge other devices, assuming they support that type of plug.  Lastly, if a new iPhone arrives, which it will this September, you’ll simply need to buy a new case.

For $89.99 you’ll score the case and one battery.  Additional batteries can be purchased separately for $59.99.

In an ideal world hot swap locations could be setup through airports and other places with a high level of foot traffic allowing you to swap out your battery on the fly.

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Christen Costa

 
Grew up back East, got sick of the cold and headed West. Since I was small I have been pushing buttons - both electronic and human. With an insatiable need for tech I thought "why not start a blog focusing on technology, and use my dislikes and likes to post on gadgets."