The payback calculation was a direct reply to the concern that VPP use will wear out the battery too fast. The only reason it was done was to show that if VPP w

The payback calculation was a direct reply to the concern that VPP use will wear out the battery too fast. The only reason it was done was to show that if VPP would trigger often enough to meaningfully harm the pack, it would also pay you more than enough to replace it. In practice, VPP will be rare, and thus the payouts will be low. But so will the harm caused to you by participating, assuming you already own a suitable system.