I doubt it, because those small batteries are designed for very low leakage, and that implies that they have a rather high internal resistance if they are running very lean on the KOH, water, and whatever else they put in there.
i would figure that you need minimum 40-60 hours discharge rate to get the nameplate rating on the amp hours. (as you might know, lead acid is 20 hours, but the 8 hour discharge is as high as 90% of the 20 hr discharge total amp hours)
Do you have a battery to test the short circuit current? the short circuit current should be as high as it is for nickel cadmium batteries, as it is a very similar chemistry.
So far i've seen Silver oxide are best for high drain devices due to it's voltage stability. My app calls for drains of perhaps 20 minutes at a time max, mostly it's an intermittent drain. I'm just hoping to characterize the battery run time. A discharge rate of .3C is kinda large. I don't know the internal resistance of the chemistry. If it has low then the impact of a higher discharge rate is mitigated.
well that explains it right there.
so if you need 100 h discharge you'd better have a KOH battery and you're going to get 60% of nameplate amp hours.
i'd be willing to bet most watch batteries are NaOh because its cheaper, and according to the pdf much easier to seal.
and if the only thing you can get is NaOH silver oxide batteries then you'd best have enough capacity for 1000 hour operation.
I figured these cells were a couple orders of magnitude better than that.