Compare hydrogen fuel cells and rechargable batteries?

1)Hydrogen fuel cells will work as long as hydrogen is provided, rechargable batteries run out and need to be recharged 2)Hydrogen fuel cells dont get less efficient, rechargable store less electricity the more cycles they go through 3)Hydrogen fuel cells provide drinking water. 4)Hydrogen is explosive and difficult to store, rechargable have no dangerous fuels required 5)Hydrogen fuel cells produce less pd so more are needed.