X1 Lithium Battery

The battery charge of the X1-Lithium will last in the range of 24 - 30 hours. There is no "battery memory," so you cannot damage the battery by charging it frequently for short periods of time or by charging it continuously.

You can fully recharge the X1-Lithium in approximately two and one-half hours.

You can write wirelessly using the X1-Lithium while the X1 is plugged into power and is charging.