A Faster Charge For LFP Batteries
Chinese battery giant CATL has unveiled a third-generation Shenxing lithium-iron phosphate battery that it says can charge from 10% to 98% in six minutes and 27 seconds. According to Ars Technica’s report, the same battery can move from 10% to 80% in three minutes and 44 seconds, and a one-minute charging stop can raise the state of charge from 10% to 35%.
Those claims, if delivered in commercial vehicles at scale, would directly address one of the most persistent objections to electric vehicles: charging time. Drivers are accustomed to refueling liquid-fuel vehicles quickly. Battery charging has usually required a different mental model, because charging curves vary by chemistry, temperature, and state of charge. CATL’s announcement is aimed squarely at narrowing that gap.
Why LFP Matters
The Shenxing battery uses lithium-iron phosphate chemistry, commonly known as LFP. Ars notes that LFP batteries tend to have more linear charging curves than nickel manganese cobalt batteries and tolerate full DC fast charging better than NCM chemistries. That matters because LFP has become increasingly important in EVs where cost, durability, and safety are prioritized.
The report places CATL’s battery in a competitive context, describing it as an answer to BYD’s recently announced Blade Battery 2.0. Both companies are focused on improving charging and cold-weather behavior, two areas that shape how practical an EV feels in daily life. Fast charging is not only about road trips; it also affects urban drivers without home chargers, fleets with tight operating windows, and regions where charging infrastructure is shared heavily.
Cold Weather Is The Second Target
CATL is also emphasizing low-temperature performance. Ars reports that even at -22 degrees Fahrenheit, or -30 degrees Celsius, the Shenxing battery charged from 10% to 98% in nine minutes. The article compares that figure with BYD’s Blade 2.0, which BYD says needs 12 minutes to charge from 20% to 98% at the same temperature.
Cold weather remains a practical challenge for EVs. Batteries charge and discharge differently at low temperatures, and cabin heating draws energy that an internal-combustion vehicle often supplies as waste heat. A battery designed to charge quickly in severe cold could reduce seasonal frustration for drivers and simplify fleet planning in northern markets.
What The Numbers Do And Do Not Prove
The charging figures are striking, but they should be understood as battery-level technology claims reported from a company event, not proof that every future vehicle using the pack will charge at those speeds in ordinary public use. Real-world charging depends on pack size, vehicle architecture, thermal management, charger capability, software limits, cable cooling, and grid connection. A battery that can accept very high power still needs a charging ecosystem able to deliver it.
That caveat does not make the announcement unimportant. Battery technology often moves into production through a chain of engineering compromises. Even if the fastest laboratory or demonstration numbers are not routine for every driver, improvements in cell behavior can still raise the average charging experience.
China’s EV Supply Chain Advantage
Ars frames CATL’s announcement as another sign of China’s advanced EV powertrain ecosystem. China’s automakers and suppliers have moved from catching up to setting benchmarks in battery cost, range, charging, and feature integration. CATL’s position as a major battery supplier gives its chemistry and pack advances broad potential influence across vehicle brands.
The competitive pressure is also global. Automakers outside China must either match these charging gains, source from leaders such as CATL, or differentiate in other areas. Charging speed has become a visible metric for consumers, and battery suppliers now compete on more than energy density alone.
The Practical Takeaway
The Shenxing 3.0 announcement points toward an EV market where LFP batteries are not merely lower-cost alternatives, but performance contenders. CATL is claiming very fast charging, strong cold-weather operation, and the ability to add meaningful range in extremely short stops. The remaining question is how quickly those capabilities reach production vehicles, public chargers, and everyday driving conditions.
If CATL’s reported figures translate well beyond the demonstration setting, the impact could be substantial. A car that can recover most of its charge in minutes, and do so even in severe cold, changes the practical expectations around electric mobility.
This article is based on reporting by Ars Technica. Read the original article.
Originally published on arstechnica.com
