![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 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](https://m.media-amazon.com/images/I/41GQzenqo9L._AC_.jpg)
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/luyl8p959x621.jpg?auto=webp&s=6a39e9bc30006b06d1414e5b5733948d9d8b0b05)
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/nyftkdhwqog41.jpg?auto=webp&s=f800bd4c7a02dd215b32ac07ca08d9e5db38c13b)
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
![Amazon.com: 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](https://m.media-amazon.com/images/I/61MRRhY1zJL._AC_SL1001_.jpg)