166899-001 HP 3V Lithium Coin Cell CMOS Battery

The 166899-001 HP 3V Lithium Coin Cell CMOS Battery provides a reliable 3‑volt power source designed to maintain CMOS memory settings in HP equipment. This compact, button‑style lithium cell offers stable voltage and long shelf life, ensuring consistent operation of BIOS and real‑time clock functions. Its standard 166899‑001 part number simplifies identification and replacement in compatible HP devices. The battery’s low self‑discharge rate and robust chemistry make it suitable for both new installations and maintenance of legacy systems requiring dependable backup power.