Description: Capacity: 3600 mAh Voltage: 11.1V (10.8V) Number of cells: 3 Cells technology: Li-Poly Warranty: 12 months Cells manufacturer: Green Cell Colour: Black Overdischarge protection: Yes Overcharge protection: Yes The possibility of return: Up to 30 days Product code: LE149 Manufacturer: Green Cell Work time: from 1.5 up to 4h Series: Polymer Compatibility list: Compatible with following battery models : 42T4688,42T4689,42T4690,42T4691,42T4820,42T4821,42T4832,42T4833,51J0497,51JO497 Compatible with following devices : Lenovo ThinkPad T400s,Lenovo ThinkPad T410s,Lenovo ThinkPad T410si