Dell Alienware Alpha ASM100 Console 3V CMOS Coin Cell Jackted Battery H3GDV" is a replacement battery designed specifically for the Dell Alienware Alpha ASM100 gaming console. This 3V CMOS coin cell battery is responsible for maintaining the system's BIOS settings, such as date and time, when the console is powered off. The jacketed design helps protect the battery and ensures a secure fit within the console. The part number H3GDV guarantees compatibility with the Alienware Alpha ASM100 model, making it an essential component for users needing to replace a depleted or malfunctioning CMOS battery.