DR. BATTERY Brand New Dr. Battery Replacement Laptop Battery Compatible Dell Original Battery Part Numbers: 4ICP5/57/78 7T8CD 9077G H5CKD TXD03 Professional Series battery designed for Dell Inspiron and Vostro laptops Built with OEM-grade cells for stable output, reliable runtime, and long cycle life Integrated safety protection against over-charge, over-discharge, overheating, and short-circuit Please confirm your original battery part number and voltage before purchase