TechRestore has started offering a new overnight iPod battery upgrade service for all full sized iPod models. The service includes the replacement of the standard iPod battery with a TechRestore high capacity battery with up to 20-hours of playback time. The upgrade is available starting today at a cost of US$49.00 for iPod owners located in the continental United States. The service includes overnight pickup of the users iPod at their location, installation of a replacement high capacity iPod battery and return overnight shipping to the users location. The user’s old iPod battery is then recycled in conjunction with the Rechargeable Battery Recycling Corporation.