This Batchv2v installs VM Tools after the target VM is cloned.
If you want to install VM Tools without cloning VM, you can write c# code with converter-sdk to implement your requirement.
https://www.vmware.com/support/developer/converter-sdk/
Here is some sample code to install VM Tools on a target VM without cloning:
ConverterConversionParams conversionParams = new ConverterConversionParams();
conversionParams.doClone = true;
conversionParams.doInstallTools = true;
Welcome to send email to me (steng@vmware.com) for further questions.