Amazon.com : UltraPro Canon BP-511/BP-511a/BP-512 High-Capacity Replacement Batteries with Rapid Travel Charger for Canon Digital Cameras : Digital Camera Accessory Kits : Electronics
Canon BP-512 Battery
Two 2 Battery + Charger for Canon BP-508 BP-511 BP-512 BP-514 BP508 BP511 BP512 | eBay