Thor Replacement Cell 10.8v 4400mah Battery Pack for Hp 2000 Laptop Computer 2000-2a22nr 2000-2a23nr 2000-2a24nr 2000-2a28ca 2000-2a28dx 2000-2a51xx 2000-2a53ca 2000-2b09ca 2000-2b09wm 2000-2b10nr 1 year warranty 6 Cells 10.8v 4400mah compatible to original equipment