![Dale on Twitter: "Flipping the board over reveals the battery. It's a CR2032 button cell, but annoyingly it has tabs spot-welded to it, and must be desoldered. You can buy these batteries Dale on Twitter: "Flipping the board over reveals the battery. It's a CR2032 button cell, but annoyingly it has tabs spot-welded to it, and must be desoldered. You can buy these batteries](https://pbs.twimg.com/media/Edsw26jXsAE5Bt5.jpg:large)
Dale on Twitter: "Flipping the board over reveals the battery. It's a CR2032 button cell, but annoyingly it has tabs spot-welded to it, and must be desoldered. You can buy these batteries
![synthesizer - DX7 BATTERY CHECK = 4.3V instead of 3V even after replacing it with new compatible battery - Music: Practice & Theory Stack Exchange synthesizer - DX7 BATTERY CHECK = 4.3V instead of 3V even after replacing it with new compatible battery - Music: Practice & Theory Stack Exchange](https://i.stack.imgur.com/ekgGx.png)
synthesizer - DX7 BATTERY CHECK = 4.3V instead of 3V even after replacing it with new compatible battery - Music: Practice & Theory Stack Exchange
![synthesizer - DX7 BATTERY CHECK = 4.3V instead of 3V even after replacing it with new compatible battery - Music: Practice & Theory Stack Exchange synthesizer - DX7 BATTERY CHECK = 4.3V instead of 3V even after replacing it with new compatible battery - Music: Practice & Theory Stack Exchange](https://i.stack.imgur.com/aLCcs.jpg)