At a glance

The ThinkPad X40 Series 4-Cell Li-Ion Battery (92P1009) is a small, lightweight system battery that can replace the original system battery or be swapped in as a spare.

Warranty

1 year Limited - customer carry-in exchange

Packaging

You will receive one box containing the following items:

• Battery
• Publications

Product dates

• Availability date: February 2004
• Discontinued, no longer availabe: December 2007
  • A replacement product is not available.
  • This option may be available via the Lenovo Option Continuation Program (OCP) at: www.lenovo.com/optionscontinuationprogram

Technical specifications

Technical information

• 4 cells
• Lithium Ion (Li-Ion)
• 1.9Ah

Performance Specifications

• Battery life: 3.5 hours average without recharge
• Output voltage: 14.4 V DC (nominal)
• Charge time
  • 3.5 to 6 hours depending on the ThinkPad system usage
    

Physical, environmental, and compatibility specifications as known at time of announcement

Weight

• 0.44 lbs; 200 g

Height

• 0.50 inches; 12.7 mm

Width

• 8.13 inches; 208.5 mm

Depth

• 1.75 inches; 44.75 mm

Operating temperature

• Between 5 degrees Celsius and 35 degrees Celsius
• Between 41 degrees Fahrenheit and 95 degrees Fahrenheit

Relative humidity

• Operating: between 8% and 95%

Shock

• 50cm free drop

Vibration (Random RMS)

• 1.04 G (2 Hz to 200 Hz)

Agency approvals

• CE MARK, UL-1950, C-UL, ACA/C-Tick

Hardware compatibility

	Parts information
	Lenovo Support: Batteries: Reference Guide - A list of other batteries
	Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.
	All Day Computing (www.lenovo.com/alldaycomputing) - Information on batteries, including estimated battery life, and power adapters