4S LiPo balance connector (JST-XH 5-pin) for 4-cell 14.8V packs used in larger FPV drones, RC aircraft, and RC cars requiring higher power density than 3S.
| 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 | BAL3 | Cell 3-4 junction | I/O |
| 5 | V+ | Pack positive | PWR |