Tablet Li-Ion Batteries extend system usage up to 7.5 hr.
Press Release Summary:
Offering respective system run times of 3.5 and 7.5 hr, ThinkPad® X41 Tablet 4 Cell and 8 Cell rechargeable system batteries can replace original system batteries or be swapped in as spares. Both utilize Li-Ion technology and feature over-discharge protection. Four-cell battery is rated at 14.4 V, 1.9 Ah, while 8-Cell battery is rated at 14.4 V, 4.5 Ah and has notched design to accommodate tablet screen swivel hinge. Both versions can be recharged in 4.3-12 hr.
Original Press Release:
ThinkPad X41 Tablet Li-Ion Battery Options can Extend System Usage up to 7.5 Hours
Overview
The ThinkPad® X41 Tablet 4 Cell and 8 Cell Li-Ion Batteries are rechargeable system batteries that can replace your original system batteries or be swapped in as spares. The high-capacity ThinkPad X41 Tablet 8 Cell Li-Ion Battery delivers up to 7.5 hours1 of system run time. These 4-cell and the 8-cell batteries can be recharged in 4.3 to 12 hours1, depending on the ThinkPad system usage.
The ThinkPad X41 Tablet 4 Cell Li-Ion Battery features:
Li-Ion technology
Four-cell, rechargeable system battery, 14.4 V, 1.9Ah
3.5-hour1 average battery life
Standard system battery specifications
Over-discharge protection
The ThinkPad X41 Tablet 8 Cell Li-Ion Battery features:
Li-Ion technology
Eight-cell, rechargeable system battery, 14.4 V, 4.5Ah
7.5-hour average battery life
Notched design to accommodate tablet screen swivel hinge for notebook or convertible tablet function
Standard system battery specifications
Over-discharge protection
Technical support:
Call the Support Center at 800-426-7378
or
Request technical information at http://www.lenovo.com/think/support
Key prerequisites
The ThinkPad X41 Tablet Li-Ion Battery options are supported on all models of the ThinkPad X41 Tablet systems (machine types 1866 and 1867).
Planned availability
June 2005
1 These model numbers achieved Battery Rundown Time of at least the time shown during testing. A description of the testing is available at http://www.lenovo.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 preferences.