“The base model is planned to have a 150-kWh battery pack with an expected range of 500-plus miles from a single charge”
Model S = 100 kWh -> 350 something miles range (give or take a few dozen)
Model H = 150 kWh -> 1.5 * 350 = 500+ miles range
duh! So obvious...
You never went to elementary school? l2math bro
(I honestly wouldn't be surprised if that's how they got their specs)