He's wrong on the "leave your laptop plugged in always" point, but presents a bit of a false dichotomy. Your battery will last longer than three years if you k

He's wrong on the "leave your laptop plugged in always" point, but presents a bit of a false dichotomy. Your battery will last longer than three years if you keep it below 80% State of Charge. A battery below 80% has nearly no loss of capacity over time. If you have a good laptop with a removable battery, taking it out once it reaches 80% will extend its life by years. http://www.slate.com/id/2234009/ http://www.slate.com/id/2234009/ http://www.batteryuniversity.com/print-partone-19.htm http://www.batteryuniversity.com/print-partone-19.htm