DR. BATTERY Brand New Dr. Battery Replacement Laptop Battery Compatible Lenovo Original Battery Part Numbers: 00HW020 00HW021 SB10F46458 SB10F46459 Professional Series battery designed for Lenovo ThinkPad P40 Yoga and ThinkPad Yoga 460 Series laptops Built with OEM-grade cells for stable performance and long battery life Integrated safety protection against over-charge, over-discharge, overheating, and short-circuit Please confirm your original battery part number and voltage before purchase