Useful Capacity CompactFlash: 32MB - 1GB Current Draw 200 mA, Alkaline dry cell batteries, Approximately 5 hours (with continuous playback of 8 tracks), May vary according to usage conditions, batteries used, and type of CompactFlash used.

**In order to ensure CF memory card compatibility please make sure you're running the latest version of the system software (v1.11) on your BR-600. You can download it from here. http://www.roland.com/products/en/_support/dld.cfm?PRODUCT=BR-600.