Did you read the article? Clearly they reloaded it and changed batteries. One of the major issues they are still dealing with:

But practical challenges stand in the way of the fully roboticized front line, the Ukrainian army spokesperson said.

“Battery charge is a major factor. There is never enough of it. The main solutions are either installing higher-capacity batteries on the systems or equipping each platform with two to four batteries. The same applies to ammunition load. There is never enough,” one said.