Power is the most important commodity for road warriors. Run out of electricity and your mobile devices become useless. Enter Charge4All, which has just released a new product called the Portable Charging Mat that lets you charge up to four devices at once via single power source.

The $39.95 multi-charger comes with four charging ports and five of the most popular smart charging plugs, including iPod/iPhone, Mini USB, Micro USB, Samsung SCH, and LG Chocolate. As a result, the device supports the charging of all iPhones/iPods and most cell phones, mp3 players, Bluetooth devices, PDAs, digital cameras, portable GPS's, etc. 

It features a soft, silicon mat that cushions devices and rolls up for quick and compact packing.

Powered by the included AC adaptor, the company offers up to 29 additional smart plugs that adapt to almost all handheld devices for $4.95 each. In addition, a car adaptor is available for charging devices on the road.