Industrial Gas Cylinders

• Size K industrial gas cylinder -

• Size 300 gas cyl [1]
• 300 cyl - 9"x55" - 8500 liter. 0.7 kg. $400 [2]
• Need 40 of these for 28 gal fuel tank for a box truck.
• No problem! 2 only needed for home storage of 5 kWhr.

Sourcing

• $300 for 300 cf, about 40 liter internal volume [3]
• 660 gal 150 psi $3500 [4]. About 7000 gallon STP - 3x more cost than industrial gas cylinders.
• 300 cf is 2200 gallon STP [5]

China

• $110 in MOQ 10 50 liter 200 bar. [6]
• $175 in MOQ 100 80 liter 200 bar [7]

Links

• Compressed Air Energy Storage Calculations