Since this is HN, he probably is. And not only that, he is probably going to select this as his hill to die on. Good luck.
Li-Ion batteries at that! Ibdon't see any reason why regulator wouod object to that. Also, those batteries cost close to nothing, so yeah, just use as consumables...
I think the point was that the only reason burned fuel weighs nothing is because we throw out the waste into the atmosphere.
Filled with toxic substances, no less. There’s probably some treaties that would frown upon that.