A:Answer Unfortunately, there is no standard method of measuring battery life, the way there is, for example, CPU performance. This means it is impossible to compare one company’s computer’s battery use vs. another. Some manufacturers do provide details on how they measured it, but this is a rarity. The best way to find this information is to search out reviews by trusted tech publications, where they give detailed explanations of their procedures, as well as comparisons to comparable models.
