Tekkeon today announced myPower, a new all-in-one iPod accessory that combines a case/portable dock with a built-in rechargeable battery. The US$89.95 device adds 32 extra hours of battery life to 4G iPods, 20 extra hours to 3G iPods, and 28 extra hours to iPod minis. myPower includes a FireWire port and a USB 2.0 port to sync an iPod, as well as a line out port and 5V charging output for charging a mobile phone or other devices.