M-256E: Replacement Batterry July 28, 2023 01:10 Updated Follow The Part number for the battery for the M-256E card is CR-2016. These can be obtained at electronic stores, as well as the Roland Parts department. Related articles TD-17: When performing a Backup to an SD card, what are the different "Banks" for? GR-50: Technical Specifications U-20: Save and Load to RAM Card
