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The Lenovo Solar PC Concept feels like a device whose time has come

You might be surprised to learn that the first laptop with built-in solar panels is nearly 15 years old. But to me, the bigger shock is that with all the recent advancements in photovoltaic cells, manufacturers haven’t revisited this idea more often. But at MWC 2025, Lenovo is changing that with its Yoga Solar PC Concept.<br /> Weighing 2.6 pounds and measuring less than 0.6 inches thick, the Yoga Solar PC Concept is essentially the same size as a standard 14-inch clamshell. And because its underlying design isn’t all that different from Lenovo’s standard Yoga family, it doesn’t skimp on specs either. It features an OLED display, up to 32GB of RAM, a decent-sized 50.2 WHr battery and even a 2MP IR webcam for use with Windows Hello.<br /> However, all those components aren’t nearly as important as the solar cells embedded in its lid. Lenovo says the panels use Back Contact Cell technology so that its mounting brackets and gridlines can be placed on the rear of the cells. This allows the panels to offer up to 24 percent solar energy conversion, which is pretty good as that matches the efficiency you get from many high-end home solar systems. Furthermore, the PC also supports Dynamic Solar Tracking to automatically adjust the cells’ settings to maximize the amount of energy they can gather.<br /> <br /> Lenovo says this means the Yoga Solar PC can generate enough juice to play an hour of videos after only 20 minutes in the sun. But what might be more impressive is that even when the laptop is indoors, it can still harvest power from as little as 0.3 watts of light to help top off its battery. Finally, to help you understand how much power it&#39;s gathering, Lenovo created a bespoke app to track how much light the panels absorb.<br /> Unfortunately, Lenovo doesn’t have any plans to turn this concept into a full commercial device. But after playing around with it, I was pleasantly surprised to see how solid and sturdy its chassis felt. Unlike a lot of prototype devices, the Yoga Solar PC Concept doesn’t feel like that much of a stretch technologically compared to other notebooks on sale today. Its PV cells sit safely behind a sheet of glass (or possibly plastic, Lenovo wouldn’t confirm which one) while also adding a bit of distinctive visual flair.<br /> However, the biggest hurdle (and possibly a big reason why we haven’t seen more laptops like this) is that for people who want to use solar panels to charge their devices, it’s probably easier and more versatile to rely on a standalone solar array instead of something built-in to the gadget itself. Regardless, Lenovo’s Yoga Solar PC is a surprisingly polished concept that I’d love to see get more attention in the future.This article originally appeared on Engadget at https://www.engadget.com/computing/laptops/the-lenovo-solar-pc-concept-feels-like-a-device-whose-time-has-come-230022723.html?src=rss

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Engadget Podcast: iPhone 16e review and Amazon's AI-powered Alexa+

<p>The keyword for the <a data-i13n="cpos:1;pos:1" href="https://www.engadget.com/mobile/smartphones/iphone-16e-review-whats-your-acceptable-compromise-020016288.html"> [...]

Match Score: 710.75

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Everything announced at MWC 2025: Samsung, Nothing, Lenovo, Xiaomi and more

<p>Mobile World Congress is taking place in Barcelona this week, offering manufacturers an opportunity to show off new gear without needing to hold their own splashy event. So far, we've learned [...]

Match Score: 305.99

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MWC 2025: All the news from Samsung, Nothing, Lenovo, Xiaomi and more

<p>Mobile World Congress is taking place in Barcelona this week, offering manufacturers an opportunity to show off new gear without needing to hold their own splashy event. So far, we've learned [...]

Match Score: 260.86

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MWC 2025: Everything announced in Barcelona so far

<p>Mobile World Congress is taking place in Barcelona this week, offering manufacturers an opportunity to show off new gear without needing to hold their own splashy event. So far, we&#39;ve [...]

Match Score: 236.35

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Engadget Podcast: We've survived two days of CES 2025

<p>In this bonus episode, Cherlynn and Devindra discuss the latest innovations in robot vacuums, new AI PC hardware from AMD and Intel, and Dell's decision to nuke its PC brands in favor of Appl [...]

Match Score: 211.43

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CES 2025: The best tech and gadgets we saw in Las Vegas

<p><a data-i13n="cpos:1;pos:1" href="https://www.engadget.com/ces/">CES 2025</a> has come to a close — Friday was the final day of the show — and team Engadge [...]

Match Score: 200.64

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Lenovo gave its latest 16-inch ThinkBook a bevy of funky concept screen acc

<p>The ThinkBook line has sort of become Lenovo’s de facto testing ground for far-out ideas and ambitious concepts. See the <a data-i13n="cpos:1;pos:1" href="https://www.enga [...]

Match Score: 196.33

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The best of CES 2025

<p>CES 2025 is coming to a close, and team Engadget is ready to leave Las Vegas. Our reporters and editors have scoured endless carpeted convention halls, braved lines of chain smokers and field [...]

Match Score: 184.09

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The best gaming handhelds for 2025

<p>Handheld gaming systems are having a moment. While people have been gaming on the go since the days of the Game Boy, recent years have brought an enormous array of devices that let you play a [...]

Match Score: 128.07