Ordered sometime in June? The good news is I received a Headway pack (36V 20ah) before the end of Feburary. The bad is that I ordered two packs (36V 20ah and 10ah), so I'm guessing (as there is no invoice or note enclosed) that the other is one of the missing packs. I did receive two chargers, both probably functionally the same, but curiously different in that the output cord and plug are quite different.

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But then one is Chinese and one English:

And don't bother trying the URL.

Since the battery has no plug at all, I guess it doesn't matter what's on the chargers.

And, drum roll, the insides:

Oh, the voltage was 42.0 on arrival.