Toshiba Secondary 6-Cell Li-Ion Battery Pack for Portege R400

Toshiba offers extended battery life with the new Toshiba Secondary Li Ion Battery Pack that is designed for Portege R400 tablet PCs.
This 6-cell rechargeable, removable Lithium Ion battery, maximizing 4000mAh power, gives you high power of battery life for long meetings, flights and if you have work load.It easily connects to the bottom of the notebook for quick change-outs and its contoured design raised the back of PC so that you can do comfortable typing without any stress. The rubber feet prevent the sliding and your notebook stays put on the desktop provides you a clear typing surface. Its weight is less than one pound. You can take it with you everywhere you want and it also covers less space in your carrying case.
Features:
It almost doubles your battery life when you used with the primary battery.
It is easily connects and disconnects to the bottom of the tablet PC.
Recharge while connected to the notebook.
Its weighs less than a pound so you keep it anywhere.
One year limited warranty.

Specifications:
Number of battery cells: 6
Capacity: 10.8V x 4000mAh
Dimensions and weight: 11.97"(W) X 4.65"(D) x 1.01"(H); 0.96 lb
Compatible with Toshiba Portege R400 series Tablet PCs.
The extended battery life provides you easiness and comfort for you and your work. You enjoy your work with extended battery life and without any stress.