www.batterytech.com IBM: ThinkPad G40 Series Notebook Battery Lithium Ion (Li-Ion) IB-G40L 2.75" Height x 5.75" Width x 9.25" Depth 1.5 lb 11.1 V DC Battery Technology, Inc Rechargeable Notebook Battery BTI Yes 4400mAh 1 Year Limited
$113.99
Here are other products you may be interested in.