CATL unveils Qilin 3 cell claiming about 280 Wh/kg energy density

Battery cells are the dense, expensive core of an EV pack — and the whole industry is still chasing the same three things at once: more range, faster charging, and less weight. Usually you get two. CATL is now claiming it can push all three harder with a new version of its Qilin battery platform. At its April 21, 2026 Super Tech Day, the company unveiled a third-generation Qilin cell for premium long-range EVs, with a claimed 280 Wh/kg gravimetric energy density, 600 Wh/L volumetric energy density, and 10C charging with a 15C peak. ### What is Qilin, exactly? Qilin is CATL’s cell-to-pack architecture — basically a way of building the battery pack with less dead space and fewer intermediate modules. The original Qilin launch in June 2022 focused on pack integration and pushed pack-level energy density up to 255 Wh/kg, with CATL talking about 72% volume utilization and 1,000 km-class range. The new announcement is not “Qilin 3” in the sense of a marketing nickname invented online — it is CATL’s third-generation Qilin Battery, a new iteration of that same platform. ### What changed this time? The big jump is the cell spec. CATL says the new nickel-cobalt-manganese version reaches 280 Wh/kg and 600 Wh/L, while also supporting 10C superfast charging and 15C peak charging. CATL and follow-on coverage frame that as enough for more than 1,000 km of range from a 125 kWh pack in the right vehicle. That is the headline because it tries to close a tradeoff that usually bites hard: long-range packs tend to be heavy, and very fast-charging packs tend to run hotter and age faster. ### Why does the weight claim matter? Because battery weight cascades through the whole vehicle. CATL says a 125 kWh pack built with the new Qilin tech weighs about 625 kg. Several reports say that is about 255 kg lighter than a comparable LFP pack of the same capacity. That is not just a spec-sheet flex — a lighter pack means the suspension, brakes, tires, and structure all have an easier job, and efficiency improves too. Think of it like taking a few adult passengers out of the car permanently, except the “passengers” were bolted into the floor. ### What about the really wild power numbers? Some coverage highlighted CATL’s claim of 3,000 kW peak discharge power — 3 megawatts — for the third-generation Qilin. That sounds absurd in consumer-car terms because it is. But peak discharge is not the same thing as sustained output at the wheels, and battery makers often quote extreme burst capability under specific conditions. The useful takeaway is simpler: CATL wants automakers to see this pack as something that can support both long-range cruising and very high-performance launches without the battery becoming the bottleneck. ### Is this in cars now? Not yet in any broadly shipped model that CATL has publicly named. The company presented the battery as a product for premium long-range EVs, but the launch material focused on capability rather than customer programs. So for now, this is a supplier roadmap announcement with concrete numbers attached — important, but still one step before real-world validation in production vehicles. ### Why bundle this with sodium-ion and other launches? Because CATL was not pitching one miracle battery. It was pitching a full portfolio. The same event also included the Naxtra sodium-ion battery, which CATL said is headed for mass production by the end of 2026, plus updates to Shenxing and hybrid systems. Basically, CATL is telling automakers that the future is not one chemistry winning everything — it is a menu. Qilin sits at the premium, long-range end of that menu. ### So what is the real significance? The news is not that CATL solved batteries. The news is that the ceiling for premium EV packs may be moving again — toward lighter 1,000 km-class packs that also charge much faster than today’s long-range batteries. The catch is that launch-day numbers are still claims until they show up in shipping cars, at scale, with real cycle life and real charging curves. But if even most of this holds up, CATL just made the next benchmark for high-end EV batteries a lot harder to hit.