Keyspan is now shipping retractable charging cables for most popular cell phones. The cables allow a cell phone to be charged from the USB port of a PC or Macintosh and are designed for use with Nokia, Motorola, Ericcson, Siemens, Sony, Samsung, LG Mobile, Sanyo, and Kyocera cell phones. Keyspan has also released AC and DC adapters that allow cell phones to be charged from a power outlet in a building, car or boat.