What is it: The Energizer solar recharger does exactly that: it charges AA or AAA batteries using power from the sun

Features: Charges AA or AAA batteries, USB-out port to power USB devices (think cell phones, mp3 players, etc), option to charge batteries from power outlet, includes 2 Energizer rechargeable batteries, weatherproof

Availability: Summer of 2009 (debuting at CES 2009)

Price: $49.99