Elite-strap with battery appears to be a thing they try and up-sell you with upon ordering.

Needs to have a front battery in order to flog a back-battery?

What else could they do? They're already big in AI. Just more share-buy-backs to pump the price most likely?

Seats there are so uncomfortable you're probably better off standing. At least you can move about a bit. Important if you're in your gimp suit.