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The dream of portable computing became reality in 1975 with IBM’s release of the 5100, the world’s first packable PC. Featuring a five-inch display and lacking a battery, the system weighed 55 pounds but was only the size of a modest suitcase, which made it an incredible feat by the standards of the era. Briefcase computers with batteries didn’t appear until the early 1980s, and the laptop as we know it today, with flip-up display and tray-sized chassis, wasn’t envisioned until the 1982 release of the Grid Compass 1101, a now little-known device sold primarily to governments (it was even used on the Space Shuttle). Today virtually every notebook is a clamshell — even 2-in-1s revert to that common design in laptop mode — and all have a battery. Yet the evolution of portability is far from over. Portable systems continue to shrink as their endurance increases. To take a look at how far notebooks have come, and gain insight on where they might go, I’ve analyzed the last three years of battery life tests at Digital Trends. The results prove notebooks have never been better, but some still have a long way to go. Testing Explained We’ve used a common battery life test at Digital Trends for several years. It’s a simple exercise that involves running Peacekeeper’s web browsing on loop until a notebook’s battery is dead. We then record how long the system lasted.

Several years ago we used a program called Battery Eater, which could be used in idle mode, to make a run time assessment. Microsoft added a battery life report to Windows 8, however, so we’ve used that ever since. You can generate the same form of report on any Windows 8 (or newer) laptop by opening the command line interface and typing “powercfg /batteryreport” without the quotation marks.

An average is the easiest figure to examine when trying to gain an overall sense of system performance over time, even if it’s not always the most accurate or insightful. To start off, have a look at this comparison of average battery life for all laptops and notebooks we’ve reviewed from each year. Note that we’ve included 2-in-1s, but did not include portable all-in-ones like the Lenovo Horizon 27. The trend here is obvious. Though the improvement seems to stall a bit in the 2013 to 2014 range, the overall increase in battery life is significant. In 2012 we recorded an all-system average of three hours and 49 minutes, but by this year that increased to six hours and 21 minutes, for a total improvement of about two and a half hours.

Taking the gaming notebooks out of the picture does make the improvement over time smoother, as there’s now a sizable leap from 2013 to 2014, which was not the case before. These figures show that average endurance has climbed from four hours and 27 minutes to an incredible six hours and 59 minutes, which once again is a gain of about two and a half hours. Median battery life While an average can be insightful, it can be thrown askew by particularly high or low results. It’s possible that the battery life of a typical system is actually much worse than these numbers imply, and boosted by a few exceptionally good results, or vice-versa. Taking a look at the median would let us hunt down just such an issue.

These results mostly don’t show any evidence of the average being thrown off, since the median is usually close to the average. The exception is this year, 2015, where the median is over an hour behind the average result. So far in 2015 we’ve seen several systems with endurance nearing or topping 10 hours, which absolutely destroys the best previous systems, but there are also some notebooks that haven’t witnessed as much improvement. Which brings us to the next point. The gap between best and worst is growing A recently as 2012, the best notebooks on the market could manage five hours of life on a good day. Life spanning a workday was unheard of outside of notebooks that could equip an optional extended life battery. As a result the range between the systems with the best and worst endurance was rather slim and, according to our records, was once below two hours.

The range between best and worst doubled from 2012 to 2013. This sudden spike coincides with Haswell, better known as 4th-generation Core, which proved far more efficient than previous chips. With one exception, the Toshiba Kirabook, no notebook we reviewed in 2013 lacking a 4th-gen Core processor scored better than six hours of life, and most were below five hours.

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A smaller increase appeared in 2014, which again makes sense, because Intel (mostly) didn’t release a new architecture. The latest Broadwell architecture was technically available as Core M in a couple notebooks, one of which, the Lenovo Yoga 3 Pro, we reviewed. But it did not score well in our endurance test because of its small battery. Now, of course, the 5th-generation has launched en masse — and it’s paying off with excellent life for some notebooks. Others, though, have failed to bottle Intel’s lightening. Certain manufacturers have taken the more efficient processors as an opportunity to reduce battery size and save weight, resulting in extremely thin systems. Whether the choice makes sense is arguable, since thinner and lighter systems look better and are easier to carry, but it certainly doesn’t look good in battery tests. The improvements are real, but you still need to buy the right notebook Our benchmark history shows a huge gain in battery life over the past few years. In 2012 the best entries could just barely crawl above five hours, but now the best can manage over ten hours. That’s the difference between a notebook that conks out after a half-day of use and one that lets you end a workday with a couple hours to spare. There’s been a huge gain in battery life over the last few years. As the growing range of results proves, you’re not guaranteed to reap the rewards of this general gain. While you’re likely to see a major leap from a three- to five-year-old system if you buy any comparably priced modern notebook, there are still models that fall behind the curve, so careful selection is needed if you value portability. This is true even among mobile systems, as some of the biggest disappointments in 2015, from an endurance perspective, have been small entries like the Asus T300 Chi. Never let it be said that modern notebooks haven’t improved over their predecessors. It’s true that most aging systems are adequate, but new models are a big improvement, and better battery life is a major reason why.

It’s the first device of Canonical’s Ubuntu “converged” lineup alongside its European partner, BQ (no word yet from Canonical about United States release, or partners).The tablet computer, the BQ Aquaris M10 Ubuntu edition, is running the latest Ubuntu software that supports both desktop and “true tablet experience” with compact screen-friendly user interface and touch support. It’s worth noting that BQ is also selling an Android version of the said tablet.

If you’re not familiar with Ubuntu, you can watch the video below; it shows the Ubuntu phone from BQ.In essence, the Ubuntu edition of the BQ Aquaris M10 is the “tablet” version of the Ubuntu smartphone, but in addition, it will also serve to consumers the “PC experience” of the operating system. The key advantage of the BQ Aquaris M10 Ubuntu Edition is its “convergent” support, meaning, consumers can transform it into a desktop (or laptop-like) computer by simply connecting a bluetooth mouse and keyboard to it. With the said setup, users will experience the full PC version of the Ubuntu on a tablet computer. Canonical added that users can also connect the tablet to an external display “for a full-sized PC experience.”

The Ubuntu Aquaris M10 features a 10.1-inch touchscreen display and it’s powered by the MediaTek Quad Core MT8163A processor (up to 1.5GHz); it ships with 7280mAh battery, front and back-facing camera, front-facing speakers, and micro HDMI and micro SD card slots, the latter is for additional storage.

Chrome is somehow both the best and the most utterly broken browser available to Web users today. It’s fast, it’s effective and it makes your computer run like complete garbage, but Google is implementing fixes as quickly as it possibly can to stymie the frustration.

The latest improvement should help save your laptop battery while you’re out and about. According to the Google Chrome Blog, the Chrome team has been working with Adobe to make pages with rich content, such as Flash, run more efficiently within the browser.“When you’re on a webpage that runs Flash, we’ll intelligently pause content (like Flash animations) that aren’t central to the webpage, while keeping central content (like a video) playing without interruption,” explains Google.

“If we accidentally pause something you were interested in, you can just click it to resume playback. This update significantly reduces power consumption, allowing you to surf the web longer before having to hunt for a power outlet.”This new feature is already enabled by default in the latest Chrome desktop beta, but should roll out to regular users as well in the near future. If you want to go ahead and manually enable it, head to Settings > Show advanced settings > Privacy > Content Settings and tick the following bubble:

February is a big month for Samsung. The company is expected to launch the next generation of its flagship smartphones, the Galaxy S7, at an event in Barcelona on February 21. So the Galaxy S7 and other future Samsung products are the topic of a growing number of rumors and reports. And some pretty interesting ones have surfaced this week.

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As Chris Smith reports for BGR, Samsung’s Galaxy S7 is expected to be better than the iPhone in an area that’s extremely important to users: its battery capacity. Rumors have claimed that the Galaxy S7 is going to have a bigger battery than the Galaxy S6, and Russian mobile blogger Eldar Murtazin — who’s been a source of accurate leaks about unreleased smartphones in the past — has tweeted that the Galaxy S7 will be able to play video for more than 17 hours straight with the screen set at full brightness. The blogger says that the phone will have a battery somewhere in the neighborhood of 3,500 mAh, while existing rumors have said that the S7 would have a 3,000mAh battery and the S7 Edge would have a 3,500mAh battery.

As Benjamin Mayo reported for 9to5Mac in 2015, the iPhone 6s Plus’s battery was rated at 2,750mAh, and the iPhone 6s was reported to feature a 1,715 mAh battery. If Samsung upgrades the battery of the Galaxy S7, its phone’s battery will be significantly longer-lasting than that of the current iPhone, which is an important consideration for users who depend on their smartphones for numerous apps and communication features throughout the day.

As Bridget Carey reports for CNET, it looks like the Galaxy S7 and the LG G5 are going to be unveiled on the same day. Both companies will unveil their flagship smartphones at the beginning of Mobile World Congress in Barcelona, which will make February 21 a big day for fans of Android smartphones.

While LG’s flagship line isn’t quite as popular as Samsung’s, the G5 could give the S7 some healthy competition. The LG G5 is expected to feature a metal body and a removable battery, plus thin bezels that’ll give it a smaller footprint than other phones with 5.6-inch screens. Users are also reportedly going to be able to add storage via a microSD card slot, and LG may even be opting for a dual camera system for improved mobile photography capabilities.

The Galaxy S7 may not be the only device that Samsung reveals later this month. As James Vincent reports for The Verge, one of the latest rumors about Samsung’s plans for its February 21 event has indicated that the company will unveil a 360-degree camera alongside the Galaxy S7. According to the rumor, the device is called the Gear 360, and is likely based on the Project Beyond camera that Samsung announced in 2014 and hasn’t mentioned since.

The camera is expected to feature a compact, spherical design, capable of capturing 360-degree imagery with two 180-degree fisheye lenses. It will reportedly pair with smartphones via Bluetooth, and will be equipped with an internal battery and storage. Users will be able to stream live footage to a connected smartphone, though it’s not clear yet whether the device will be able to stream to the Gear VR.