With a 1200mAh rechargeable battery inside, a Dock Connector on top, and a USB port on the bottom for recharing, RichardSolo's new Smart Backup Battery Pack ($50) for the current-generation iPod family, fifth-generation iPod and past iPod nanos promises to deliver up to twice the run time depending on your iPod model. Packaged with a wall charger and USB recharging cable, the Smart Backup Battery Pack is roughly the same width as the third-generation…
