UltraPro BP-808 High-Capacity Replacement Battery with Rapid Travel Charger for Canon FS10 FS11 FS100 FS21 FS22 XA10. Also Includes: Camera Cleaning Kit, Camera Screen Protector, Mini Travel Tripod - Walmart.com
Canon FS-100 Flash Memory Video Camcorder W/ Battery No Charger | eBay
Amazon.com : Replacement for Canon FS100 Battery and Charger with Car Plug and EU Adapter - Compatible with Canon BP-808 Digital Camcorder Batteries and Chargers (Decoded 890mAh 7.4V Lithium-Ion) : Electronics