for usb cable only
pins 21 and 22 are shorted in cable.| Pin | Signal | Description |
| 1 | BattID | |
| 4 | FB | |
| 10 | USB Data- | |
| 12,19 | GND | |
| 15 | USB Data+ | |
| 16 | USB +5v | |
| 21,22 | charge in? |
| Pin | Signal | Description |
| 1 | BattID | |
| 4 | FB | |
| 10 | USB Data- | |
| 12,19 | GND | |
| 15 | USB Data+ | |
| 16 | USB +5v | |
| 21,22 | charge in? |