Product name：HP 4321 Laptop Battery

Detailed information：4321; CellType:li-ion; Such as CE and ROHS certifications; and multi-protection features, brand services, direct factory prices!

Product name：HP PROBook 4320s Laptop Battery

Detailed information：PROBook 4320s; CellType:li-ion; Such as CE and ROHS certifications; and multi-protection features, brand services, direct factory prices!