Rough guess (based on info here: https://demaco-cryogenics.com/blog/energy-density-of-hydrogen/ https://demaco-cryogenics.com/blog/energy-density-of-hydroge...)

Rough guess (based on info here: https://demaco-cryogenics.com/blog/energy-density-of-hydrogen/ https://demaco-cryogenics.com/blog/energy-density-of-hydroge...) if stored at 700bar is 400L. Which doesn't sound right. Can someone correct me please?