The HP MC96 96W Smart Storage Cache Battery Cell 876850-001 881093-210 is a high-quality server component designed for HP servers in the ProLiant DL product line. This unit provides smart storage cache capabilities and is specifically designed to work with HP servers. It offers reliability and performance for enterprise networking and server applications. Additionally, it is important to note that this product includes a California Prop 65 warning due to the presence of chemicals known to cause cancer and birth defects.