Compare to the original (not-made-by-me) skin and the actual, in-game HUD! All you need to do to get it is:
Everything else, though, is part of the skin! Here's an old screenshot of it, when it still had the time on it. After Googling about, I found that someone had made a Rainmeter skin for it, but it didn't look good enough, so I edited it a bit, redoing most of the artwork: The battery meter is part of another Rainmeter skin, as is the grayish bar.