I use a MacBook Pro as my my main computer, plugged into a desktop set-up. Like any right-thinking geek with such an arrangement, I removed the laptop’s battery to prevent it suffering from being charged all the time — the MacBook Pro is never used away from mains power and can’t be accidentally unplugged.
I only switched to Mac OS relatively recently (I ran Windows XP via Boot Camp for a spell), but in the few months I have been using it, one constant complaint has been about speed. Mac OS X 10.5.X seemed very slow in some circumstances and I was seeing the spinning beach ball far more often than I would see the hourglass in Windows (when simply switching to an open Firefox tab, for example).
After simply blaming this on the vagaries of Mac OS for a few months, something occurred to me this morning. I vaguely remembered reading a while ago about how MacBooks run slower when the battery is removed. Since I wasn’t a Mac user at the time, I didn’t follow the story that closely and assumed it only affected the new unibody MacBooks (which were launched around that time). I was wrong. (more…)