Apple recently launched a USB power adapter take-back program, to exchange third-party products that might have safety issues ( http://bit.ly/13BumMa ).
I can tell you firsthand that Ventev (a division of TESSCO Technologies), which makes chargers for any solution, is one company whose products are much less likely to be turned in.
The Wallport r2200 ($30) charges any two USB devices simultaneously, including a pair of tablets that require a 2.1 amp charge vs. lower power devices like many smartphones that only require 1 amp of power.
New is the Powercase 2000 ($89.99) for the iPhone 5, which has a 2000mAh battery built into the case to provide six to eight hours of extra power.
Also new is the pocket-sized Powercell 5000 ($54.99), weighing just 5.3 ounces with a pair of USB ports to charge two devices at the same time.
Both the 5000 and 2000 will hold their charge for six months before a USB charge is needed. www.ventev.com
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