more info and newer builds can be found @ <a href="http://nwgat.ninja/lftp-for-windows/">nwgat.ninja</a> 
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<b>Batch use</b>
<br>mirror from server</br>
bash.exe ./lftp.exe sftp://user:password@site:port -e "set sftp:connect-program './ssh.exe'; mirror --verbose --use-pget-n=8 -c /remote/path /cygdrive/driveletter/folder; quit"
<br>mirror to server</br>
bash.exe ./lftp.exe sftp://user:password@site:port -e "set sftp:connect-program './ssh.exe'; mirror -R --verbose --use-pget-n=8 -c /cygdrive/driveletter/folder /remote/path; quit"