I'm not quite so sure about that. The prices have remained relatively stable, but the capacities have gone up. I think on a per Wh basis they may have actuall

I'm not quite so sure about that. The prices have remained relatively stable, but the capacities have gone up. I think on a per Wh basis they may have actually gotten cheaper still. That means that you've gotten more battery life and/or more useful power in the devices that are using the batteries.