Specifications: Model: 61++ 01AV427 SB10K97585 polymer ; T470 battery delivers 11.1V voltage and a 72Wh 6600mAh capacity, ensuring extended usage laptop. Cells: 6-cell. Color: Black Wide Compatible with ThinkPad: This battery is specifically Compatible with Lenovo ThinkPad T470 T480 T570 T580 P51S P52S TP25 A475 A485 Compatible with Lenovo ThinkPad laptop battery Compatible with Lenovo ThinkPad Part Numbers: It also fits for multiple OEM: 01AV422 01AV423 01AV424 01AV452 01AV490 SB10K97579 SB10K97580 SB10K97581 SB10K97597 SB10K97581 SB10K97597 SB10K97582 SB10K97583 SB10K585 SB10K97584 SB10K97585 SB10K97661 TP00088A SL10P41432 4X50M08810 4X50M08812. Before purchase, verify your laptop's battery model for a perfect fit Enhanced Performance and Long-Lasting Power: Engineered for superior battery life, this 72Wh 6-cell battery offers 30-50% more capacity than standard batteries, ensuring extended productivity. The high-quality cells provide stable voltage 11.1V and reliable powe