This command will teleport you to a set of batch coordinates, these are not the same as the warp command coordinates. For the batch X and Z coordinates, 12 is the center of the map and 18Y is sea level. The command 'batch 12 18 12' would teleport you to the center of the map at sea level.
batch [batch x] [batch y] [batch z]
| Batch X | The batch X coordinate you wish to teleport to - batch coordinates are different to the warp command coordinates. |
| Batch Y | The batch Y coordinate you wish to teleport to - batch coordinates are different to the warp command coordinates. |
| Batch Z | The batch Z coordinate you wish to teleport to - batch coordinates are different to the warp command coordinates. |
batch 12 18 12
The above command would teleport you to the center of the map.