From the Autodesk App Store:
This tool is designed to reload links in the current project or in a batch of Autodesk® Revit® files.
This will save a lot of time.
About This Version
Version 1.0.0, 10/30/2018 – Initial Release
Batch reload_Links is brought to you by BIM SOFT SOLUTIONS. It’s priced at US $5.99/month or $14.99/year.
This add-in is available in versions compatible with Revit 2019, 2018, 2017, and 2016.
There’s more information available on the Autodesk App Store.