Do you want to buy a spare battery for your laptop? If so, you can consider this IBM ThinkPad T400 R61e R400 41U3197 42T5229 battery for your laptop. It will certainly make your laptop regain energy by the use of the high capacity battery. It is extremely powerful while remaining cost effective, you can maximize your laptop's convenient portability and recharge this top-quality batteryeasily. It provides you with the strong battery life, which is great to solve the problems of the short life and poor performance. Besides, it will certainly make your laptop regain energy by the use of the high capacity battery. Come to order it now!                                    Features             With advanced cell technology and quality parts<br>
 Manufactured to the highest quality available and with true enhanced performance<br>
 Powered by high quality cells<br>
 The replacement laptop battery recharges while it is installed and the computer is connected to AC power<br>
 Durable and high-effective <br>
                                                            Specifications             Dimensions     8.78 x 2.95 x 1.18" / 22.3 x 7.5 x 3 cm (L x W x H)    <br>
 Weight     4.13 oz / 117 g    <br>
 Color     Black    <br>
 Voltage     10.8V    <br>
 Cell     9cell    <br>
 Capacity     7800mA    <br>
 Compatible with     IBM ThinkPad T400 R61e R400 41U3197 42T5229      <br>
                                                             Package Includes            1 x Battery<br>
1 x User Manual<br>