Dynabook Portégé Z40L-N Review: Replaceable Batteries, High Price
Back in, say, 2001, business travelers would hop on an international flight not just with their laptop, but with three or four spare batteries also tucked into their attaché case. The extra batteries could add roughly 6 pounds to your load, but it was a necessary evil—each of those batteries would probably only offer about three or four hours of run time, barely enough to update your Lotus 1-2-3 spreadsheet. Coming up with novel ways to keep track of which batteries were charged and which were s