Today only, All4Cellular offers the refurbished Griffin PowerDuo Reserve Charger and Backup Pack for Apple iPhone and iPod in Black for $9.99 plus $2 for shipping. That's $22 below the lowest total price we could find for a new unit, although we've seen similar generic models for much less. It includes both a wall and car charger and should work with most devices that charge via USB.

Note: No warranty information is provided.