Dell XPS 14 battery lasts 43 hours during web browsing test thanks to VRR

The new Dell XPS 14 for 2026 is now available, and with reviews popping up, one in particular has caught our attention for showcasing seriously impressive battery life. As seen in the review from Hardware Canucks, testing a model with an Intel Core Ultra 7 355 'Panther Lake' processor, measuring battery life with 'simple web browsing' with a peak display brightness of 150 nits, the Dell XPS 14 managed to achieve a seriously impressive runtime of 43 hours and 3 minutes.

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This is almost triple the runtime of the MacBook Air 15's 14 hours and 30 minutes running the same test, showcasing that battery life on a Windows-based laptop has come a long way in recent years. However, there is one caveat to the 43 hours: VRR, or Variable Refresh Rate. Although VRR is a common feature in many modern displays, especially those built for gaming, the Dell XPS 14's display takes this one step further by offering a 1 Hz battery-saver mode.

Yes, this means the display refreshes its image only once per second, and it's best suited to mostly static workloads, like working in a spreadsheet. This is why the Dell XPS 14 was able to run for over 43 hours; however, the overall efficiency of the new Intel Core Ultra processors also played a big role.

And with that, looking at continuous 4K video playback on YouTube, the Dell XPS 14 still handily beat the MacBook Air 15 with an M5 chip, with 20 hours and 21 minutes of runtime compared to 14 hours and 2 minutes on the MacBook Air. However, Apple's M5 chip took the lead during the gaming stress test, running for over 4 hours compared to 2 hours and 30 minutes on the Dell XPS 14.

Beyond its impressive battery life, the Dell XPS 2026 has been widely praised for its design improvements over previous XPS models, strong gaming performance, and overall efficiency.