It's called a Geekpod 101 and it will change your life. It's a "Super Long Life Lithium iPod Battery" that will keep most cell phones, portable playing devices and iPods charged for up to 100 hours! That's right, not 6 hours, not 10 hours, 100 hours!
It costs $69.99, but it will charge almost every gadget in your collection. For a list of all the gadgets this charger works for, just read more
The Geek 101 will power most cell phones and PDAs so long as you get the optional mobile tips pack. It also powers the Sony PSP for 15+ hours with the optional PSP cable for GeekPod. This pictured iPod battery pack also powers the Nintendo DS Lite, Game Boy Micro, Game Boy Advance SP and Nintendo DS with the optional connector cables. Will recharge and power most cell phones on the market such as the Motorola RAZR, Motorola Q, Blackberry, Nokia 6061,6030, Samsung C417,D407 and many more phones with the optional 'Mobile Tips Pack' available with a compatibility list in the Battery Pack Accessories section. Not sure what generation iPod you have? Check out this iPod generation chart.