OP-Z - how long does the battery last? March 24, 2021 20:56 Updated average battery life under normal operation is about 6 hours on a fully charged battery. Related articles can i purchase a replacement battery from teenage engineering? OP–Z - how can i use it in a daw for midi / streaming audio / recording? OP-Z, how to chain patterns? OP-Z - does it sample? OP-Z, how to export projects?