| General | Part number | 41U3196 |
| Description | T400/T61 4 cell lithium Ion battery | |
| Power management | Battery type(s) | 4 Cell Lithium-Ion |
| Battery | Battery Types | 4 Cell Lithium-Ion |
| Battery Voltage | 14.4 V | |
| Power | 2.6 Amp/Hr | |
| Limited warranty[7] | Limited warranty period | One year |
| Technical Information | Supported Software Applications | ThinkPad R61 14-inch wide models, R61i 14-inch wide models, R400, T61 14-inch wide models, T400, ThinkPad External Battery Charger (40Y7625) |
| Environmental Information | Maximum Operating YYYY | 95 % |
| Maximum Operating Temperature | 35 C | |
| Minimum Operating HumidityXXX | 8 % | |
| Minimum Operating Temperature | 5 C | |
| Architecture | Depth Metric | 39.8 mm |
| Height Metric | 22.6 mm | |
| Height US | 0.89 in | |
| Weight Metric[2] | 0.220 Kg | |
| Weight US[2] | 0.49 lbs | |
| Width Metric | 206.7 mm | |
| Width US | 8.14 in | |

