Amnergy New Battery for HP Compaq 584037-001 Fits MU06 593553-001 593554-001 WD548AA WD549AA WD548AA#ABB HSTNN-LB0W 636631-001 593550-001 ; 6 Cell, 5200mAh Amnergy Brand Battery Is Designed Using the Best Cells and Latest Safety Features to Work as a Perfect Replacment for the Original Battery. Guaranteed to Meet or Exceed Original Specifications. Premium Quality, 100% OEM Compatible. Brand New, Protective Retail Packaging, Each Product is Sealed with Anti-Static Shield Sleeve. Lithium Ion (Li- ion) Battery, Rechargable with No Memory Effect.