7. The device connectors kit includes a double-sided retractable cord system with one end that plugs into the battery pack and the other end plugging into your cell phone/PDA. Nelson Rigg includes an assortment of connectors to plug in to a wide variety of cell phones, iPods/MP3 players, and PDAs. Currently the one thing the charging system won't work with is the 3G iPhone. Nelson Rigg also offers a separate rapid charge AC adapter so you can plug into a wall and charge the battery. You can also plug the USB cord into your computer and charge the battery.