Using session defined in putty (advantage: options like character set translation for that session are used):
start "window-name" "c:\programs\putty\putty.exe" -load session-name -l login -pw "password" |
start "window-name" "c:\programs\putty\putty.exe" -load session-name -l login -pw "password"
Using hostname direct (-P with port is optional):
start "window-name" "c:\programs\putty\putty.exe" login@hostname -P 22 -pw "password" |
start "window-name" "c:\programs\putty\putty.exe" login@hostname -P 22 -pw "password"