Tips: Please check carefully about your laptop model name/battery part number/battery shape and size to make sure you purchase the correct battery. Specification: Battery type: Li-ion Voltage: 11.4V Capacity: 24Wh (Is 61，NOT 68/68+/68++) Cells: 3Cell recharge cycles: 500 Operation time: Around 1-2.5hours Replacement for Part Number: 01AV423 4X50M08810 61 01AV422 SB10K97579 SB10K97580 01AV424 SB10K97581 01AV452 SB10K97597 01AV490. 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.
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