(meter-specs 'eps)
->`((battery-component stored-charge 10 20 t) ...)
Values are of the form: (metered-component metered-quantity delta-x delta-y large-p)
Metered-component could be a (terminal component) pair.
Metered-Quantity is the name of the quantity.
Delta-X and Delta-Y are the offsets from the bottom right
corner of the metered component.
Large-p is true if this specification is for the
large display.