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Powering a 60-ton-class electric excavator, the Ruisu megawatt‑class mobile power unit enables continuous operation of electric excavators!

Release date:

2026-07-13

Adopting a coordinated solution featuring the “SANY SY600E electric excavator + Ruisu 1.7 MWh mobile energy storage and charging vehicle.”

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Against the backdrop of the global industrial green transition, electric construction machinery, with its core advantages of zero emissions and low noise, is gradually replacing traditional fuel‑powered equipment and has become the mainstream in the industry. However, challenges such as inadequate charging infrastructure and low on‑site energy‑replenishment efficiency continue to hinder the large‑scale deployment and adoption of electric excavators.

Recently, Ruishu Intelligent Technology successfully completed a real-world demonstration of coordinated energy replenishment between the Ruishu 1.7 MWh mobile charging‑storage vehicle and the SANY SY600E electric excavator, which has a rated capacity of 60 tonnes, in Nanning, Guangxi. This trial not only validated… “Mobile Charging and Storage Vehicle + Electric Excavator” Collaborative Operation Mode Its technical feasibility has further enabled the successful resolution of the challenge of sustaining operations at construction sites without fixed power supply infrastructure, thereby establishing a replicable and scalable benchmark for innovation in the charging‑infrastructure ecosystem of the new‑energy construction‑equipment sector.

Field Test Results: A Real-World Demonstration of Collaborative Energy Replenishment in a Non-Infrastructure Environment

This experiment takes a complex construction site without fixed charging infrastructure as its simulation scenario, Adopting a coordinated solution featuring the “SANY SY600E electric excavator + Ruisu 1.7 MWh mobile energy storage and charging vehicle.” , the system verifies the stability of their compatible operation and the efficiency of energy replenishment.

During the trial, the Ruisu mobile energy storage and charging vehicle first replenished its energy at nearby fast-charging stations around the construction site, then precisely transported it to the work area to provide direct power to the electric excavator. The energy storage vehicle employs intelligent DC power supply technology, enabling flexible and efficient on-site deployment at mining sites while significantly streamlining construction operations.

During the testing phase, the technical team, in conjunction with real-world operational conditions, simulated various daily operating‑hour requirements and conducted multiple cyclic energy‑replenishment tests. Test results demonstrate that the Ruisu mobile charging and storage vehicle achieves seamless end-to-end compatibility with the SANY SY600E electric excavator, reliably supporting continuous operation even in the absence of any fixed charging infrastructure.

Meanwhile, leveraging Ruisu Intelligent’s independently developed energy management system, the test team successfully formulated an optimal charging strategy that not only meets the high‑power electricity demands of electric excavators but also achieves efficient energy allocation. This effectively addresses range‑anxiety on construction sites, ensuring earthmoving operations proceed efficiently, with low carbon emissions, and in a stable manner. The core data gathered from this field trial provides critical technical support for Zoomlion to expand its market channels for electric construction machinery and to refine its operational strategies.

Core Advantages of the Ruisu 1.7 MWh Mobile Charging and Storage Vehicle

The Ruisu 1.7 MWh mobile charging and storage vehicle can precisely meet the energy‑replenishment needs of electric excavators, thanks in large part to its built‑in… “Large capacity, high flexibility, intelligent control, low energy consumption” The integrated energy-replenishment system boasts four core advantages:

1. High capacity and high voltage work in tandem to meet the demands of sustained, high‑power power supply.

The device is equipped with a 1.7 MWh high-capacity energy storage system, Comes with an 800 kW high-voltage output module. Compared with conventional mobile charging and storage units, this system boasts a more than 40% increase in energy‑storage capacity, fully meeting the high‑voltage power demands of hundred‑ton‑class electric excavators. A single full charge can sustain multiple machines operating continuously for several hours, significantly reducing refueling frequency and markedly improving construction efficiency. The core architecture is divided into two major modules: a DC compartment and an AC compartment. The DC compartment houses a high‑capacity battery pack, providing a robust foundation for energy storage, while the AC compartment integrates a bidirectional PCS converter, a transformer, and an EMS control system, enabling efficient energy conversion and intelligent management.

2. Three-in-one mobile functionality delivers a one-stop power supply solution.

Unlike single-function power supply devices, the Ruisu mobile energy storage and charging vehicle integrates “Mobile power transmission, mobile power supply, mobile power distribution” Three core functions: it can be flexibly positioned next to the equipment to deliver targeted power; during equipment operation, it provides continuous power via the vehicle‑integrated system; and it also supplies auxiliary power for site lighting, small tools, and other applications, truly enabling “one vehicle, multiple uses,” significantly streamlining on‑site power supply procedures and reducing operational management costs.

3. A sophisticated intelligent control system has been refined, ensuring a dual enhancement of safety and efficiency.

The equipment is equipped with an intelligent monitoring system and a battery management system independently developed by Ruisu, enabling real-time acquisition and analysis of critical operating parameters such as state of charge, voltage, and current, thereby effectively mitigating damage to operational equipment caused by voltage fluctuations. It supports remote dispatch and management, with the backend system providing real-time tracking of equipment location and operational status to ensure precise alignment with energy‑replenishment needs. Additionally, it features a battery health‑status early‑warning mechanism that proactively assesses battery life and potential failure risks, reducing the likelihood of equipment downtime and ensuring the seamless continuation of construction operations.

4. Significant energy savings, reducing long-term operating costs.

On the one hand, the equipment supports a peak‑valley time‑of‑use energy storage model, enabling battery charging during low‑price periods and supplying power to operational equipment during peak demand. Calculations indicate this can reduce annual electricity costs by 15%–20%. On the other hand, advanced battery cycling technology extends the battery’s service life to over eight years—30% longer than the industry average—thereby significantly decreasing the frequency of equipment replacements and helping achieve lifecycle‑wide cost control and energy‑saving, consumption‑reduction objectives.

Scenario Application Expansion: All-Scenario, All-Terrain Adaptability

The Ruisu 1.7 MWh mobile charging and storage vehicle is compatible not only with SANY Heavy Industry’s SY600E and other 60‑ton or 100‑ton class electric excavators, It can also be widely deployed in various high-power new-energy applications, including new-energy heavy-duty trucks, mining dump trucks, and port quay‑crane equipment. Meanwhile, the device boasts exceptional environmental adaptability and outstanding off-road performance, truly achieving the goal of being “usable in all scenarios and capable of traversing any terrain.”

In terms of extreme climate adaptability, leveraging a wide‑temperature‑range battery management system that operates from –30°C to 60°C, this equipment can maintain stable operation in harsh environments—such as desert mining sites with surface temperatures reaching 55°C in summer or northeastern construction sites where winter temperatures plunge to –25°C—while keeping power output fluctuations within 5%. Regarding resilience in complex conditions, the unit boasts an IP65 ingress protection rating, with a sealed charging interface that delivers excellent dust‑ and water‑proof performance. Coupled with an electromagnetic interference‑resistant system, it ensures reliable power delivery even in high‑voltage grid areas and regions with dense wireless signal traffic, achieving an annual failure rate of less than 0.5%. As for all‑terrain mobility, the equipment is equipped with a 4×4 all‑wheel‑drive system and off‑road tires with superior traction, enabling a gradeability of up to 30° and a minimum turning radius of just 6 meters. It can navigate smoothly through challenging terrains such as steep mine slopes, construction pits, and temporary field access roads, effectively addressing the longstanding usability challenges of conventional mobile storage‑and‑charging systems—namely, their inability to reach or access these sites.

Joining hands with Ruisu Intelligence to build a new green energy ecosystem.

The successful demonstration of the integrated energy‑storage and charging vehicle—featuring a 1.7 MWh capacity—working in tandem with an electric excavator has not only redefined the performance benchmarks for mobile energy‑storage and charging systems in the new‑energy construction‑equipment sector but has also underscored Ruisu Intelligent’s core technological prowess. Looking ahead, Ruisu Intelligent will continue to deepen its expertise in the mobile energy‑storage and charging space, driving continuous technological advancement and expanding application scenarios. By delivering more efficient, flexible, and reliable power‑supply solutions for global new‑energy construction machinery and high‑power equipment, the company aims to accelerate the industry’s transition toward green and intelligent operations.

Ruisu Intelligence

Company website: www.gzruisu.com

Company Name: Guangzhou Ruisu Intelligent Technology Co., Ltd.

Company Service Hotline: 020-66260688 / 133-3288-5836

Company Address: No. 160, Tashan Avenue, Zengjiang Street, Zengcheng District, Guangzhou, Guangdong Province

#ElectricExcavatorEnergyReplenishment #MobilePowerSupply #NewEnergyChargingUpgrade #ElectrificationOfConstructionMachinery #RuisuIntelligentTechnology

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2587 kWh/6 kV High-Voltage Platform Mobile Energy Storage Vehicle | The Ultimate Portable Power Solution for High-Voltage, Heavy-Duty Excavators