The smallest and lightest Thinkpad X41 Series system battery
3.5-hour(1) average battery life
Designed so ThinkPad X41Series notebook fits in the ThinkPad X4 Dock
Over-discharge protection
Backed by IBM Service and Support
(1) These model numbers achieved Battery Rundown Time of at least the time shown during testing. A description of the testing available at ibm.com/pc/ww/thinkpad/batterylife. Battery life (and recharge times) will vary based on many factors including screen brightness, applications, features, power management, battery conditioning and other customer preference.
