Testseek.com have collected 9 expert reviews of the Third Rail System for iPhone 4/iPhone 4S and the average rating is 76%. Scroll down and see all reviews for Third Rail System for iPhone 4/iPhone 4S.
(76%)
9 Reviews
Average score from experts who have reviewed this product.
Abstract: Compared to some of its competitors, the iPhone 4’s battery life is surprisingly good. But few of us would complain about squeezing a few more hours between recharges. And, of course, many iPhone 4s have been in use for over a year now, so their batter...
Innovative iPhone 4 case that's protective, but thin and light. Detachable battery recharges the phone as well as other devices via a miniUSB port. Eliminates the need for the large and heavy allinone power cases
Proprietary case designs requires use of its own USB cable for connected charging and syncing. Convenience comes with a high price tag
Extremely slim and low-profile. Long-lasting battery. Batteries can be daisy-chained. Charges multiple devices through micro-USB port.
Provides less power than some other cases. Expensive.
If you want the extra juice of an iPhone 4 battery case without the bulk, the Third Rail System can't be beat—but the most power-hungry should look elsewhere. ...
Abstract: Third Rail Mobility describes the battery system as an all-in-one solution, combining the features of a traditional protective case with a battery, external charger, and universal USB charger. The Third Rail System is composed of two main pieces, each...
The stylish and compact Third Rail Slim Case for iPhone 4 with Slide-on Smart Battery is the most flexible and innovative juice pack option to date. The pack's detachable batteries can also power other mobile devices and can be stacked together to increas
The Third Rail case's included battery provides only enough power to charge an iPhone 4 up to about 65 percent. Also, it continues to discharge even when the phone's battery is already full. The package is rather bulky when used as a juice pack and the ca
The Third Rail Slim Case for iPhone 4 with Slide-on Smart Battery is arguably the best mobile juice pack on the market. It's especially useful if you also have other mobile devices.
The stylish and compact Third Rail Slim Case for iPhone 4 with Slide-on Smart Battery is the most flexible and innovative juice pack option to date. The pack's detachable batteries can also power other mobile devices and can be stacked together to increas
The Third Rail case's included battery provides only enough power to charge an iPhone 4 up to about 65 percent. Also, it continues to discharge even when the phone's battery is already full. The package is rather bulky when used as a juice pack and the ca
The Third Rail Slim Case for iPhone 4 with Slide-on Smart Battery is arguably the best mobile juice pack on the market. It's especially useful if you also have other mobile devices....
Slim and smooth case provides protection and extra grip; Smart Batteries are ultra light, stackable and can be used in a number of different configurations; Smart Batteries can charge other devices; Build quality is superb
Currently comes in black only; Fit is very precise, you won't be able to use a back protection film on the iPhone 4/4S
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(90%)
Published: 2012-02-01, Author: Howard , review by: technoodling.net
Hot swappable battery. If I don't need the battery, it goes off the case leaving my iPhone still relatively slim, Smart Battery can be used to charge other devices
A bit expensive, When the battery is placed on the slim case, it takes a few seconds before the iPhone starts charging
