The ThinkPad Battery 47 (4 cell) ThinkPad Battery 47+ (6 cell), ThinkPad Battery 47++ (9 cell) are rechargeable batteries that use Lithium-Ion technology. They can be used as a replacement for aging...
Up to 1/3 more capacity than the standard system battery. This high capacity battery has an extended area on the back edge and fits in the standard ThinkPad T40/R50 system battery slot. Its...