Battery type: Li-ion; Voltage: 10.8V; Capacity: 4400mAh/48Wh; Cells: 6-cell
Compatible Models: Fit for Lenovo ThinkPad T470 T570 T480 T580 A475 A485 P51S P52S TP25 Series
Replace Part Numbers: 61+ 61 61++ 01AV422 01AV423 01AV424 01AV425 01AV426 01AV427 01AV428 01AV452 01AV490 01AV491 01AV492 SB10K97579 SB10K97580 SB10K97581 SB10K97584 SB10K97585 SB10K97597 SB10K97661 4X50M08810 4X50M0881 4X50M08812
100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. The actual operation time will depend on how much electricity is required by the device and how you use it
For first use, please discharge the battery to 5%(not to 0%) and then charge to 95%, and cycle 3-4 times.