Oil mining and oil well in Alberta, Canada

The video covers the status of batteries, a question about rental pricing, and includes various notes and comments.

What does it mean when the batteries are described as 'completely'?

How would you determine the appropriate amount to rent out?

What significance does a question mark hold in communication?

What could be the implications of the phrase 'so. Yeah there.' in a conversation?

What does the phrase 'Still in there.' suggest about the context?