A charging revolution for heavy-duty trucks! See how MCS, energy storage, and renewable energy are tackling “range anxiety.”

Release date:

2025-03-17

Driven by the “dual carbon” goals, electric heavy-duty trucks are at a critical juncture in their green transition. However, range anxiety, slow charging speeds, and high costs have long been key barriers to their development. Today, thanks to the integrated deployment of the Megawatt Charging System (MCS), energy storage technologies, and renewable energy sources, the “range anxiety” plaguing electric heavy-duty trucks is gradually being addressed.

At Shenzhen’s Yantian Port, a supercharging station integrating megawatt‑class charging piles (MCS), a battery energy storage system (BESS), and a photovoltaic power plant has enabled heavy-duty trucks to achieve the remarkable feat of adding 500 kilometers of range in just 10 minutes. This charging revolution, driven by the synergy of these three cutting‑edge technologies, could fundamentally rewrite the history of heavy‑truck energy solutions.

I. MCS Megawatt Fast Charging: Bringing “refueling speed” to charging stations

While conventional fast-charging stations are still struggling to reach 120 kW of power, MCS (Megawatt Charging System) Directly increase the charging power to 1.2MW — Equivalent to simultaneously charging 10 Tesla Model Y vehicles.
▶ Technological breakthrough ：

The liquid-cooled charging gun can handle a current of 3,000 A, and its cable weight has been reduced by 40%.
The intelligent temperature control system keeps the cell temperature difference within ±2°C.
The charging module achieves an efficiency exceeding 98%, delivering charging speeds three times faster than Tesla’s V4 Supercharger.

At the test site in Hanover, Germany, the Tesla Semi truck equipped with MCS took only 30 minutes It can be charged from 20% to 80% in the same amount of time it takes to refuel a conventional diesel vehicle. In other words, while a driver is grabbing a bowl of instant noodles at a service area, the vehicle can be fully charged and ready to go.

II. The technological “iron triangle”: MCS + BESS + wind and solar power

① Aesthetics of Violence: 1.2 MW Liquid-Cooled Charging Station

Equipped with an MCS interface, it can add 800 kilometers of range in 30 minutes.
Two 600 kW power modules are paralleled, delivering a peak power of 1.2 MW.
The liquid-cooled charging gun is 40% lighter, allowing even female drivers to operate it with one hand.

② Smart Buffer: Polarium Modular Energy Storage System

Basic unit: 146 kWh battery cabinet + 70 kW bidirectional inverter
Flexible Scalability: Up to 20 MWh of energy storage and 10 MW of output per single station.
Peak-shaving masterstroke: Store low‑price off‑peak electricity at night and release it during high‑price peak hours.

③ Ultimate Form: A Closed-Loop Direct Supply System of Wind, Solar, and Power

The energy storage cabinet is equipped with pre‑installed interfaces for photovoltaic and wind power, enabling a green‑energy share of up to 100%.
Field test at the Geneva pilot station: Solar carports combined with energy storage systems reduce electricity costs by 40%.
V2G technology turns heavy-duty truck batteries into “mobile power sources,” enabling bidirectional energy supply to profit from price differentials.

Ruisu 1.2 MW Split-Type Charger

III. BESS Energy Storage Systems: Equipping the Grid with a “Cushioning Airbag”

“Megawatt‑scale charging is like suddenly turning on ten industrial air conditioners—the grid simply can’t handle it!” a State Grid expert pointed out. And battery energy storage systems (BESS) are precisely the key to breaking this impasse:
▶ Operating logic ：
1️⃣ Peak shaving and valley filling Store energy during off-peak nighttime hours and discharge it during peak daytime periods.
2️⃣ Dynamic response : Responds to load fluctuations within 0.02 seconds, preventing transformer overload.
3️⃣ V2G feedback : Heavy-duty truck batteries can supply power in reverse, enabling a single vehicle to meet the electricity needs of a small shopping mall for two hours.

After a certain charging station in Shenzhen was connected to a 2 MWh energy storage system, Peak electricity demand decreased by 65%. , saving over RMB 2 million annually in demand‑response electricity costs. More importantly, this system enables heavy‑truck charging stations to operate independently of grid upgrades, reducing the construction timeline by 60%.

Ruisu 2 MWh Energy Storage System

With advances in technology and supportive policies, the integrated deployment of MCS megawatt‑class charging systems, energy storage technologies, and renewable energy will become increasingly widespread. High‑power charging is expected to evolve rapidly, with 360 kW and above fast chargers gradually gaining traction and further reducing charging times. Battery‑swap solutions will also see broader adoption, as the construction of battery‑swap stations accelerates and swap durations continue to shrink.

Meanwhile, ongoing advances in battery technology will further enhance the range and safety of electric heavy-duty trucks. Emerging battery technologies, such as solid-state batteries, are poised for commercial deployment, with energy densities expected to exceed 400 Wh/kg, providing electric heavy-duty trucks with more sustained power performance.

In summary, the integrated application of MCS megawatt‑class charging systems, energy storage technologies, and renewable energy is addressing the “range anxiety” of electric heavy‑duty trucks and driving the transportation sector toward a greener, more efficient, and sustainable future. There is every reason to believe that, in the near future, electric heavy‑duty trucks will become the mainstay of the logistics industry, contributing to the achievement of the dual carbon goals.