![AC Adapter for Boss Drum Machines DR-670 DR-202 DR-3 Wall Charger Power Supply : Musical Instruments - Amazon.com AC Adapter for Boss Drum Machines DR-670 DR-202 DR-3 Wall Charger Power Supply : Musical Instruments - Amazon.com](https://m.media-amazon.com/images/I/61VF3NXan-L._AC_SL1280_.jpg)
AC Adapter for Boss Drum Machines DR-670 DR-202 DR-3 Wall Charger Power Supply : Musical Instruments - Amazon.com
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Amazon.com: Replacement Backup Battery for the following Boss products: DR-660 Dr.Rhythm, Dr-670 Dr.Rhythm, SE-50 Stereo Effects Processor & SX-700 Studio Effects Processor : Musical Instruments
![My Boss DR-670 had a “BAK BATTERY LOW” error, and the manual said take it to an authorized repair dealer. Fourteen screws later, and I find a common CR2032 battery. Why don't My Boss DR-670 had a “BAK BATTERY LOW” error, and the manual said take it to an authorized repair dealer. Fourteen screws later, and I find a common CR2032 battery. Why don't](https://external-preview.redd.it/XszEP05D2sifoxGHxw47hzuZrYnhBtLi58WRUvL1dIU.jpg?width=640&crop=smart&auto=webp&s=746d1f1bb897cbc9c1392d4c3e0c99e7f294f079)
My Boss DR-670 had a “BAK BATTERY LOW” error, and the manual said take it to an authorized repair dealer. Fourteen screws later, and I find a common CR2032 battery. Why don't
![My Boss DR-670 had a “BAK BATTERY LOW” error, and the manual said take it to an authorized repair dealer. Fourteen screws later, and I find a common CR2032 battery. Why don't My Boss DR-670 had a “BAK BATTERY LOW” error, and the manual said take it to an authorized repair dealer. Fourteen screws later, and I find a common CR2032 battery. Why don't](https://preview.redd.it/hldz4fk34gw51.jpg?auto=webp&s=54b6d74ee6061c6f3cbf18ef39f376d76e5f7b54)