In terms of power only, the Dewalt 5Ah is the better battery as it will last longer. With an extra amp-hour of power, the battery will last longer between charges. The only difference between the 4Ah and the 5Ah is the power of the battery. What is the difference between 4Ah and 5Ah XR batteries? Is it worth upgrading from 4Ah to Dewalt XR 5Ah Dewalt 20V?ĭewalt makes a full range of XR batteries, from 4Ah to 10Ah, but is it worth upgrading from the 4Ah to the 5Ah, for example. With its longer life, the 20V MAX XR battery is aimed at the professional market, where long battery running time is valued over weight and size. Which you choose will depend on your intended use of the battery. There is a compromise here, either longer life and more weight or shorter life and less weight. The XR version is cheaper than the Compact despite the longer working life, selling at around $86. The XR batteries have improved internal components and give 33% more working time than the equivalent MAX batteries. It doesn’t sound like much, but the extra weight makes a difference if you use the battery tool for long periods.Īs we discussed above, a 4 Ah battery could last 4 hours at a discharge rate of one amp per hour, but inefficiencies reduce this. It is 7 inches long and 3 inches high, weighing 1.42 pounds. The 20V MAX XR is physically larger and heavier than the Compact version. However, the XR offers power ratings of up to 10 Ah, which for most people is way more than they need.įor the DIYer, the MAX Compact versions of the Dewalt batteries offer enough power in the smaller and lighter packs than the more powerful XR variants. The MAX version of the Dewalt batteries is the older design, which the XR improves on. While the 4.0 Ah MAX Compact battery retails for around $98, the XR 4.0 Ah equivalent can be found for less than $90. Of course, you would expect this extra performance to come at a cost, but surprisingly not. The only difference is that the XR version lasts longer. The MAX and XR batteries are compatible by keeping the dimensions similar and retaining the same connection system. The power increase has been achieved through improved technology rather than increasing the capacity of the existing battery. The Compact version is two inches smaller in height and length and 0.3 pounds lighter than the XR version. However, there are 20V MAX Compact versions, which are smaller and lighter than the equivalent XR batteries. Even more surprising is that the XR version is just 0.1 pounds heavier than the MAX version. Surprisingly, considering the 33% extra runtime, the XR version of the battery is only slightly larger than the MAX version. You know the Energizer will last much longer, and that is because of design efficiencies.īuy Dewalt 20V Max XR for 33% longer running time:Ĭheck Price at Amazon Physical size and weight However, thanks to design improvements and increased efficiency in power delivery, the XR batteries will last up to 33% longer than the MAX batteries of the same size.Ī good comparison is between a dollar store battery and an equivalent brand name battery such as Energizer. In a perfect world, two 4Ah batteries will last the same amount of time. In comparison, the MAX range only has 4Ah, 3Ah, 2Ah, and 1.5Ah versions. The amp hour rating determines how long a battery will last, and the XR range features 10Ah, 8Ah, 6Ah, 5Ah, 4Ah versions. A quick comparison of Dewalt 20V MAX and XR 4Ah Battery Capacity The term XR stands for “Extended Runtime”, and the high-capacity lithium-ion XR batteries give a 33% increase in battery life. The main difference is the additional power the new XR batteries offer. Differences between Dewalt 20V MAX and XR?įirst, it’s good to remember that the MAX and XR batteries and tools are interchangeable, which means whichever battery you buy, it will work with both model ranges. Dewalt has introduced the 20V XR battery range to enhance the already good MAX products, and this article looks at the differences.Īfter reading this article, you will know which type of battery will suit your needs and why. Battery technology is improving all the time and making battery-powered tools more affordable and reliable.
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