Specification: Battery type: Li-ion Voltage: 11.4V Capacity: 2.1Ah / 24Wh (61,NOT 61+/61++/68/68++) Cells: 3Cell recharge cycles: 500 Operation time: Around 1-2.5hours Replacement for Part Number: 61 01AV422 01AV423 01AV424 01AV425 01AV426 01AV427 01AV452 01AV490 01AV452 4X50M08810 SB10K97579 SB10K97580 SB10K97581SB10K97597 Compatible Models: (NOTE: this battery will NOT fit for the T460S T470S T480S laptop). Fit for Lenovo ThinkPad T470 T570 T480 T580 A475 A485 P51S P52S TP25 Series.
