... .Grade A Cells 3.No memory effect Laptop Battery for HP Business Notebook Battery NC4200Condition: 100% New Warranty: 12 months The ... compatibled with well-known brand notebooks including: IBM, Sony, Toshiba, HP, Acer, Compaq, DELL, Lenovo, Asus, and so on. So far ... stored in a cool, dry, clean place at about a 50% capacity level. 3. Leaving a battery in a laptop while ...