Energizer announced today the introduction of the Energi To Go Portable Power for iPod. The battery-powered device, which promises 46 hours of playback time with iPod nanos, will be available at retail nationwide this fall.

The Energi To Go is powered by two Lithium AA batteries. The device features a control chip that maximizes power transfer to the iPod. In testing with Energizer e2 Lithium AA batteries, the Energizer Energi To Go charger provided more than 46 hours of music playback on the iPod nano and more than 32 hours of music playback on the iPod with video.

“For many consumers, digital music players are an essential,” said Mike Rivard, Energizer General Manager, New Products. “This new Energizer Energi To Go Portable Power for iPod allows them to know that whether they’re on a plane, at the beach, or anywhere in between, their music will keep going. ”

The Energizer Energi To Go Portable Power for iPod features a licensed Apple iPod tip and is adjustable so that it’s compatible with iPod (with & without video) and iPod nano. The MSRP for Energizer Energi To Go iPod Portable Power Source is $29.99 and includes the charger and two Energizer e2 Lithium AA batteries.

For maximum performance, Energizer recommends powering Energizer Energi To Go Portable Power for iPod with Energizer e2 Lithium batteries.