Third Rail System user reviews (for iPhone 4)

Cons The battery does like a 40% charge, the battery is not reliable and it does very quickly, it's super awkward to use when the battery is on, it costs way more than it should, the case scratches the iPhone when taken on and off, the charge feature works lik on November 3, 2011 by sellphones2493  | Read full review

Cons i wish the included usb adapter cable was a little bit longer - but I just use one that I already have on August 30, 2011 by iphonefan1  | Read full review

Cons Product received today from TR. Charged the battery to full capacity in short order. Attached it to my four-month-old iPhone 4 with up to date iOS software, flicked the switch on the TR case to allow charging but ... no charging. Flicked the switch in the on July 19, 2011 by CnetFan20111  | Read full review

Cons With the battery attached this case is no thinner than any of the other battery cases on the market.
You have to keep track of the extra battery. Instead of it being attached to the phone at all times.
Looks ugly with battery on. 1980's anyone? on June 24, 2011 by phonemaster23  | Read full review

Cons none observed yet that i can think of. works as expected and promised. on May 23, 2011 by wiscoguy1  | Read full review

Cons seems like a horrible idea- fragile, cumbersome, silly, pointless are all words that come to mind on May 12, 2011 by eli_stuy  | Read full review