3S LiPo balance connector (JST-XH 4-pin) allows individual cell monitoring for 3-cell 11.1V LiPo packs. The most common LiPo voltage for FPV freestyle drones and RC aircraft.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Pack negative | GND |
| 2 | BAL1 | Cell 1-2 junction | I/O |
| 3 | BAL2 | Cell 2-3 junction | I/O |
| 4 | V+ | Pack positive | PWR |
3S LiPo balance connector (JST-XH 4-pin) allows individual cell monitoring for 3-cell 11.1V LiPo packs. The most common LiPo voltage for FPV freestyle drones and RC aircraft.