Note: My connection issue prior was due to SFTP password containing special characters and needed them specified as HEX values for the script to work. Thanks to this group for helping me there.
New verbose is below:
C:\Program Files (x86)\WinSCP>winscp.com /script=ecc-sync-inv-price.txt batch abort confirm off Searching for host... Connecting to host... Authenticating... Using username "Yesco". Authenticating with pre-entered password. Authenticated. Starting the session... Session started. Active session:  Yesco@220.127.116.11 Comparing... Local 'X:\ECCINV' => Remote '/live/ECCINV' Synchronizing... Local 'X:\ECCINV' => Remote '/live/ECCINV' X:\...\ecc-inv-price.csv | 343 KB | 5268.0 KB/s | binary | 100% Network error: Software caused connection abort