Confirming batteries are toast- results listed

After over night charge my battery volt readings
Battery 1 - 6.14
Battery 2 - 6.10
Battery 3 - 6.18
Battery 4 - 6.06
Battery 5 - 6.12
Battery 6 - 6.20

All 6 reads 36.5

I think battery's are 5 years old US Battery 2200.

Selling cart as is, will have discount for new battery allowance, if toast.