OP-Z, how long does the battery last? November 29, 2019 16:27 Updated average 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?