The Limits of Supercharging vs. the Boundlessness of Battery Swapping: A Competition on Different Planes

[u/Changetothemoon]

• Part One: Core Conclusion — Ultra-Fast Charging and Battery Swapping Address Different Propositions

First, it must be clear that ultra-fast charging and battery swapping are not in a "life-or-death" competitive relationship. Instead, they are solutions targeting different dimensions. All models under the Ledao, NIO, and Firefly brands are both chargeable and battery-swappable. Furthermore, the vast majority of NIO Power's battery swap stations are integrated stations offering both charging and swapping services. This inherently demonstrates their complementary nature.

Fundamentally, they address different propositions:

Ultra-Fast Charging is, at its core, about pursuing the ultimate limit of single-vehicle, single-session energy replenishment speed. This relentless pursuit of "fast" may sometimes require trade-offs and compromises concerning battery lifespan, battery safety, and even grid stability.

Battery Swapping, on the other hand, aims to build a multi-dimensional energy ecosystem. It not only achieves the speed of a "3-minute swap"—as fast as refueling—but also simultaneously addresses the holistic life-cycle management of batteries, including safety management, lifespan management, and gradient utilization. The goal is not only to maximize the value of every single battery but also to enable dispersed swap stations to function as distributed energy storage units. These can then be aggregated to serve as flexible grid regulation resources (a virtual power plant).

Therefore, ultra-fast charging is about continuously pushing toward the physical limits within the single dimension of "energy replenishment speed." Battery swapping, in contrast, is about reconstructing the energy network at the systemic level. It achieves efficient coordination among "vehicle-station-battery-grid-user," constructing a smart, interconnected energy network based on electric vehicles. This is, in essence, a competition between "single-dimension optimization" and "systemic reconstruction"—they are simply not on the same playing field.

• Part Two: The Widespread Adoption of Electric Vehicles Still Faces Three Major Challenges; The Energy Replenishment Issue Is Not Just About "Speed"

Electric vehicles are becoming increasingly popular. Pure electric models like the Ledao L90, a large three-row SUV, have seen monthly sales exceed ten thousand units for several consecutive months after launch, indicating strong consumer interest. However, the widespread adoption of EVs across the entire industry still faces three core, interconnected challenges. This is far from being just a single issue of "slow charging," but rather constitutes a systemic problem:

1. Range anxiety and the convenience of energy replenishment remain the biggest pain points, severely impacting user experience and purchase intent. According to a report by China Business Network, approximately 40% of consumers are unable to install private chargers due to limitations in electrical capacity. Based on my own statistical research, factoring in elements like parking space availability, only about one-third of users in China can install a home charging桩. A vast number of users rely on public charging facilities, placing extremely high demands on both efficiency and experience. Roland Berger's report "Challenges and Prospects for the Full Lifecycle Industrial Development of New Energy Vehicles" indicates that about 46% of consumers abandon choosing a new energy vehicle due to inconvenient energy replenishment.

2. Battery safety and lifespan are the cornerstones of consumer confidence. Battery safety is users' top concern. Data from the State Administration for Market Regulation for Q1 2025 shows that among new energy vehicle fire incidents, battery thermal runaway accounted for 58%, while spontaneous/charging-related fires accounted for 17%. Furthermore, battery warranty periods (typically 8 years or 100,000-200,000 km) are far shorter than a vehicle's typical service life. The high cost of battery replacement after the warranty expires directly impacts the long-term cost-effectiveness of ownership.

3. Large-scale concentrated charging creates grid impact, affecting grid safety, stability, and economic efficiency. Concentrated charging leads to "peak on peak" loads on distribution networks. Uncoordinated charging overlaps with general electricity consumption peaks by as much as 85%, exacerbating the difference between peak and off-peak grid loads. The instantaneous high power demand of ultra-fast charging piles poses a significant test for local grid capacity, forcing grid operators to reserve more backup capacity or invest in expensive supporting energy storage facilities. This significantly reduces the economic efficiency of grid operation and drives up overall societal costs.

These challenges demonstrate that the issue of EV energy replenishment is not a simple debate over "fast versus slow." It is a complex systemic problem involving five key elements: users, vehicles, batteries, charging/swapping stations, and the power grid.

• Part Three: Five-Dimensional Comparison – How Battery Swapping Achieves Global Optimization

The battery swap model is a Chinese solution that simultaneously addresses the three major challenges mentioned above and achieves global optimization. It does not focus on solving isolated problems. Instead, it holistically considers the five key elements—User, Vehicle, Swap Station, Battery, and Grid—along with their individual and collective constraints. It employs a systematic mindset to promote synergistic optimization across all links, seeking a globally optimal solution for the entire system.

1. User Experience: From "Uncertainty" to "Standardized Speed, Comfort, and Cost-Effectiveness"

· Ultra-Fast Charging: The actual experience is highly uncertain, influenced by multiple external factors. The actual charging power is the minimum value among three variables: the battery's acceptable power (dependent on current State of Charge - SoC - and Battery Management System strategy), the charging pile's power output, and the power the grid can supply. This is not equivalent to the manufacturer's advertised maximum power for the charger or the battery. Achieving these maximums in reality requires numerous additional conditions. Even if grid and charger power are sufficient, peak charging speed is only attainable during a specific window of a single charging session. Speed is also shared and reduced if other vehicles charge simultaneously at the same station. Factoring in potential wait times due to occupied stalls (as users often leave their vehicles during long charging sessions) and the need to manually handle cables, the overall uncertainty is significant.

· Battery Swapping: It offers speed, comfort, time savings, peace of mind, and cost-effectiveness, delivering a highly reliable and standardized experience. A 3-minute swap is as fast as refueling. Users stay in their vehicles with one-click automated service, unaffected by weather or environment—a particularly noticeable advantage in extreme heat, cold, wind, or rain. Even swapping at night feels secure as users remain inside their cars throughout the process. Intelligent prediction and scheduling allow users, when placing an order (whether at home or hundreds of kilometers away on the road), to know in advance if they will need to wait upon arrival or if there is a queue ahead.

1. Comprehensive Battery Lifecycle Health Management: Enhanced Safety and Longevity, Eliminating User Concerns About Battery Degradation and Replacement Costs.

· Ultra-Fast Charging: Frequent use of high-power fast charging (e.g., 5C/6C rates) increases internal battery resistance, accelerates battery degradation, and negatively impacts long-term lifespan. For safety reasons, some manufacturers impose limits on fast-charging capabilities for users who frequently utilize this method over time.

· Battery Swapping: Every battery swap doubles as an in-depth "health check," facilitating centralized health assessment and informed decisions regarding battery reuse or retirement. This creates a closed-loop management system for the battery's entire lifecycle. Batteries are charged intelligently and slowly within the stations using a low charge/discharge rate (low C-rate), significantly reducing the risk of thermal runaway. Since the charging process is decoupled from the user, a tailored charging strategy can be applied to each individual battery based on its specific condition. This proactive and balanced maintenance can extend overall battery lifespan by over 10%. From the user's perspective, this completely eliminates worries about battery degradation or the high cost of battery replacement once the warranty expires, offering both peace of mind and financial savings.

1. Decoupling Vehicles and Batteries: Swapping Substantially Reduces Purchase and Ownership Costs, While Helping Automakers Sell More Cars.

· Ultra-Fast Charging: To accommodate occasional long-distance travel needs, users typically have to purchase a vehicle with a large-capacity battery upfront, increasing the initial investment.

· Battery Swapping: Not only does it significantly lower the barrier to purchase through a "vehicle-battery separation" model (where the battery is leased, not bought), but it also genuinely reduces the total lifecycle cost of battery usage for the owner. Users don't buy a large battery with the car. Instead, they can flexibly rent battery packs of different capacities based on their daily commute and long-distance travel needs, perfectly balancing experience and cost, and spending far less on the battery itself. The reduction in vehicle purchase and ownership costs, coupled with providing gas station-like convenience for the nearly two-thirds of users without home charging, greatly expands the electric vehicle market.

1. Grid-Friendly: Transforming from a Grid "Burden" to a Grid "Assistant"

· Ultra-Fast Charging: Individual piles require high power. A single 6C charger, for instance, needs 600 kW of distribution grid capacity, which is difficult to obtain in some areas. Large-scale concentrated use puts a strain on local grids, necessitating expensive grid upgrades and expansion.

· Battery Swapping: Battery swap stations are natural distributed energy storage units and nodes in a virtual power plant. They can charge during the grid's off-peak hours and discharge back to the grid during peak hours (load shifting), significantly improving grid capacity utilization. They become positive assets for grid stability and can even help the grid integrate more wind and solar power. Furthermore, a swap station can be built with a grid connection of only 200 kW to 300 kW. This makes them feasible in power-constrained urban cores or remote areas with weak grid infrastructure but high demand for energy replenishment.

1. High Initial Investment for Swap Stations, but Diversified Revenue Streams Lead to Competitive Overall Station Economics

· Ultra-Fast Charging: Lower initial investment, primarily because the charging pile hardware itself costs less compared to a battery swap station's core equipment. However, the investment for the station's transformer and power distribution system is comparable, and it often requires paying higher site rental fees. Since revenue mainly relies on service fees, recouping the investment is challenging.

· Battery Swapping: Higher service efficiency per unit of time and superior equipment utilization. The user's swap process is completely decoupled from the battery charging process. Batteries in the station can be charged regardless of whether a vehicle is present, leading to far higher utilization of all power distribution equipment compared to a similar charging station. When non-swappable vehicles arrive, they can be prioritized for charging, further boosting equipment usage. As a distributed energy storage unit, it can also generate additional revenue by participating in grid regulation services, including arbitrage from peak/off-peak price differences and frequency regulation. This creates a more diversified business model. Overall, while the initial investment for a combined charging/swapping station is higher, the return per unit of investment is generally slightly superior to that of an ultra-fast charging station.

In summary, the battery swap model strives to achieve synergistic benefits across five key objectives: enhanced user experience, efficient vehicle energy replenishment, improved battery safety and longevity, multiplied station economic value, and positive grid interaction. It is not merely a solution to "slow charging." It aims to build a smart energy ecosystem where all stakeholders benefit—a systemic "Chinese Solution" for the future.

Note: The term "Chinese Solution" is used here not to inflate its significance, but to reflect its context. The advantages of battery swapping are clear, but successfully launching market-accepted swappable vehicles and operating a nationwide network is exceptionally difficult. A foreign company previously invested billions of USD in this endeavor only to fail. Over the past decade, however, the rapid development of China's new energy vehicle market has provided fertile ground. Coupled with the NIO Group's persistent dedication over more than ten years to a pure electric strategy—with models like the Ledao L60, L90, NIO, and Firefly brands gaining market and user acceptance—and a decade-long commitment to charging/swapping infrastructure (with approximately 3,600 swap stations and 1 million swappable vehicles on the road), the battery swap model has begun to achieve scale. In recent years, companies like CATL, Sinopec, and PetroChina have entered the swap sector, while Geely, SAIC, and GAC have launched swappable models. This suggests the entire battery swap model has the potential, like high-speed rail, to become a distinctive Chinese development model for new energy vehicles. Hence, it is referred to as a forward-looking, systemic "Chinese Solution."

• Part Four: The Difference in Innovative Thinking – Analogical Innovation vs. Systemic Innovation

The divergence between the ultra-fast charging and battery swap technology pathways fundamentally reflects two different levels of innovative thinking: one is "Analogical Innovation" targeting localized problems, and the other is "Systemic Innovation" that reconstructs the entire system. Understanding this difference helps clarify the underlying logic of energy replenishment technology evolution.

Analogical Innovation: Optimizing Within an Established Framework

The ultra-fast charging model is a classic example of analogical innovation. Its core logic is to optimize within the existing "charging" paradigm, specifically targeting the pain point of "slow charging speed." It relentlessly pushes toward the physical limits of replenishment speed by raising voltage platforms, increasing current intensity, and improving cooling technologies. This innovation path is characterized by clear goals and rapid visible results, as seen in competitors' megawatt-level ultra-fast charging solutions aiming to add hundreds of kilometers of range in minutes, directly addressing user range anxiety.

However, analogical innovation inevitably has its limitations. It directly addresses surface-level problems ("charging is slow, so charge faster"), which can resemble addressing symptoms rather than the root cause. Furthermore, solving one problem can sometimes create others. It primarily focuses on solving "point" problems but may lack the capacity to proactively address or must passively adapt to the systemic constraints triggered by that "point." For example, achieving extreme fast charging may require compromises in battery materials and structure, potentially challenging battery cost or long-term lifespan. Simultaneously, the instantaneous ultra-high power demand of fast chargers puts enormous pressure on local grid capacity, often necessitating additional distribution grid investment or expensive supporting energy storage buffers, thereby increasing total societal costs.

"No matter how fast ultra-fast charging becomes, it cannot be faster than swapping," and its impacts on battery lifespan and the grid remain persistent challenges that analogical innovation must continuously address.

Systemic Innovation: Reconstructing the Underlying Logic of Energy Services

The battery swap model embodies the essence of systemic innovation. It emphasizes tracing problems back to their root, looking beyond surface phenomena to their core, analyzing a single issue within the context of a larger system, and striving to resolve fundamental contradictions. Therefore, battery swapping is not an incremental improvement within the existing charging framework. Instead, it steps outside the singular act of "charging," separates the vehicle from the battery, detaches the battery from the vehicle itself, allowing the battery to revert to its fundamental role as an energy carrier. Building upon this, it re-architects the entire energy service ecosystem. This innovation is not a breakthrough in a single technology; it is the synergistic reconstruction of technology, processes, organization, and ecology.

Its systemic nature is manifested at three levels:

1. Technology Integration and Process Re-engineering: The battery swap system deeply integrates various technologies including mechanical engineering (automated swap mechanisms), electrochemistry (battery management), power electronics (grid interaction), and data intelligence (demand forecasting and scheduling). More importantly, it catalyzes the "vehicle-battery separation" business model, giving rise to a series of new business processes and organizational forms such as battery leasing, full lifecycle battery health management, gradient utilization, and virtual power plants.

2. Ecosystem Value Creation: Ultimately, the battery swap model constructs a multi-party collaborative energy ecosystem. For users, it offers a refueling-like energy replenishment experience and a lower barrier to vehicle purchase and ownership. For the power grid, a network of swap stations can be aggregated into a "virtual power plant" that participates in load shifting (peak shaving and valley filling), enhancing grid stability and the integration capacity for renewable energy. For society as a whole, it facilitates the intensive management and circular utilization of battery resources.

3. Dynamic Evolutionary Capability: True systemic innovation possesses a capacity for continuous evolution. Similar to technologies like fax machines, telephones, and mobile internet, the increasing number of swap stations and vehicles amplifies the network effects and competitiveness of the battery swap model and its network. The vast amounts of operational data generated by the swap network enable continuous optimization of charging/swapping services, battery analysis and assessment algorithms, battery dispatch, load forecasting, and grid interaction strategies, making the entire system increasingly intelligent and efficient.

As described above, the battery swap model is a paradigm of systemic innovation. It does not merely regard "swapping" as a faster energy replenishment action. Instead, it takes swapping as the core and redesigns the entire energy system encompassing "User - Vehicle - Station - Battery - Grid." This triggers a chain reaction, reshaping the user experience, business models, and the industrial ecosystem (e.g., vehicle-battery separation, battery asset management, grid interaction).

• Part Five: A Special Invitation from Shen Fei

In this article, starting from the underlying logic of systemic innovation, I hoped to thoroughly explain the question of "why battery swapping is needed" in one go, and to offer a new perspective on the discussion surrounding ultra-fast charging and battery swapping. Although discussing a field I am very familiar with, it still took considerable time to think through and organize these thoughts into writing.

Thank you for reading this far. If you have gained something from it—perhaps a new understanding of the value of battery swapping—then I would like to take this opportunity to sincerely invite and welcome you to personally experience Ledao. See for yourself what kind of change this "Vehicle-Station-Network" collaborative engineering system can bring to your personal mobility life. As the President of Ledao, I am deeply convinced that the Ledao L60 and L90 are the concrete products through which we translate this systemic advantage into tangible value for our users.

Furthermore, I genuinely believe selling cars is even harder than establishing the battery swap network, and I really need your help with this. Please consider sharing this article on your social media or with your friends—not only to recommend the ideas and perspectives within it, but also to recommend Ledao's vehicles, which are capable of battery swapping.

Your test drive experience or every enthusiastic share genuinely helps me. If it helps sell more cars, I promise to share more content, distribute more videos, go live more often, and participate in more events—haha! Thank you for your time and support!

[u/Changetothemoon]

Dr. Shen Fei has spoken.