The most reliable way to choose a battery is not by the laptop's name but by the code on the old one — something like ASUS C41N1541 or HP SR04XL: the same series often has several different batteries. Capacity is given in mAh or Wh, and the two are not directly comparable, so compare like with like. Some items are marked “original” — on those the connector and housing shape match the factory part.
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The most reliable way to choose a battery is not by the laptop's name but by the code on the old one — something like ASUS C41N1541 or HP SR04XL: the same series often has several different batteries. Capacity is given in mAh or Wh, and the two are not directly comparable, so compare like with like. Some items are marked “original” — on those the connector and housing shape match the factory part.