NB-7L Rechargeable Li-Ion Battery NB7L for Canon Powershot G12 G10 G11 SX30 IS
Amazon.com: Kastar Battery (1-Pack) for Canon NB-7L, CB-2LZE Work with Canon PowerShot G10, PowerShot G11, PowerShot G12, PowerShot SX30 is Digital Cameras : Electronics
Canon Powershot G12 Digital Camera Review | ePHOTOzine