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New and reliable 3V lithium battery for Roland DDR-30 "Alpha Drum".
Available as a single unit or as a 5-pack.
This high-quality lithium battery is designed to replace the internal backup battery in your Roland DDR-30 "Alpha Drum" is a digital PCM drum module.
Voltage: 3V / Condition: new.
⚠️ In the Roland DDR-30, the battery is soldered to the main board. If you’re not experienced with soldering, have a professional do the replacement.