"I am," he confirms. Good- Raven isn't asking too many questions about it, because he's not in the mood to go into it.

Then Raven asks how long he'll take to charge, and he pauses. Technically, it'll take quite some time to get fully charged- considering he let himself run out- but the idea of spending so long in this place willfully...

"I'll be functional again in an hour."

Not the whole truth, but not a lie either. He will be functional again... just not fully charged.