Amnergy&reg; Battery for Toshiba Notebook Batteries Z830-10P Z835-P330 PA5013U Pa5013u-1brs Z935 Series 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.