New Replacement Battery
Compatible with:
- Yamaha DX7II, DX7s, DX11
- Yamaha RX5, RX7
- Yamaha DMP7
- Yamaha TX802 and TX Series
Important Installation Notes
This battery must be soldered directly to the circuit board inside the instrument.
- If you are not experienced with soldering, it’s best to have the replacement done by a qualified technician.
- Avoid overheating the battery during installation — excessive heat may cause it to explode.
- Make quick solder joints and use a heatsink when possible.
- Most service centers can perform this replacement quickly and easily.
⚠️ Backup your data first!
Before removing the old battery, save all your programs and sequences. Once the battery is removed, the instrument will reset to its factory settings and all custom data will be lost
| Condition | Brand New (New) Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more |
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Product safety information may be available here.

