Kerry Wan/ZDNETToday at Mobile World Congress in Barcelona, Lenovo announced a handful of wild new laptop proofs-of-concept, including one with a detachable triple-display, a flippable AI PC, and a solar-powered laptop from the popular Yoga line. I went hands-on with the Yoga Solar PC ahead of MWC and was impressed with how slim and sleek the device was. Also: What to expect at MWC 2025: Best phones I’m anticipating from Xiaomi, Honor, Samsung, moreSolar-powered laptops aren’t necessarily new, but they’re infamously heavy and expensive, making them niche products that don’t have a lot of market share in the consumer laptop space. Lenovo hopes to change that with its Yoga Solar PC Concept, a laptop it says will have none of those drawbacks. The solar panels are located on the top of the clamshell on the Yoga Solar PC, and they achieve an energy conversion rate of over 24% per panel, one of the highest in the industry, Lenovo says. The panels sit behind a sleek, glassy black surface that almost passes for a “normal” laptop — unless you look carefully. More