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You should patent that. So what's happening, I think, in a second, you know, it's changing the current through the systems, becoming lower and lower as the battery is almost at its peak charge so it doesn't draw as much and it's probably hearing that little whine if you have really good hearing and you can hear that, you know, you have to probably put it next to your ear. Other things do that, so I'm trying to think now. We probably do it with a bottle airplane. I'm trying to think now. We're charging the batteries on it. Yeah, but that's just the thing with electronics that happens.