The actual plubusses were batteries, and the actual data was mAh/$. I have found that the relative mAh/$ for various brands stays fairly stable over time even a

The actual plubusses were batteries, and the actual data was mAh/$. I have found that the relative mAh/$ for various brands stays fairly stable over time even as the price changes, so the data is valid. I've a plumbus change positions relative to another once over two years since I wrote most of my battery reviews.