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AboutShijiazhuang Tonghe Electronic Technology Co., Ltd. is a high-tech enterprise dedicated to technological innovation, product innovation, and management innovation in the power electronics industry. It integrates R&D, manufacturing, sales, and service in the power electronics sector, providing customers with comprehensive energy solutions. -
ProductAfter more than two decades of rapid development, the company has established an industrial structure centered around three major business segments: smart grids, new-energy vehicles, and aerospace. Its sales network covers over 30 provinces, municipalities, and autonomous regions across China, and its products are exported overseas, earning unanimous praise from both domestic and international customers.
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PartnerIn the future, the company will continue to uphold its corporate mission of “embracing an entrepreneurial spirit, focusing on power electronics, efficiently utilizing energy, and serving global users,” while adhering to the core values of “contribution, mutual benefit, gratitude, efficiency, and innovation” to provide users with high-quality products and services.
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BlogsCommunicate with sincerity and courageously take responsibility; keep the customer at the center of our focus, continuously optimize the company’s management systems and processes, consistently identify and meet customer needs, deliver and enhance customer value, and maintain the company’s rapid growth.
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Join usThe company consistently upholds a talent philosophy centered on “people first,” actively fostering an atmosphere of respect, understanding, integrity, and friendliness. We provide a robust platform for talent development, enabling our employees to become powerful pillars of the company’s sustained growth and achieving mutual growth and shared success between the company and its talents.
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InvestorDisclose information relevant to investors’ decision-making in a truthful, accurate, complete, timely, and fair manner; strengthen communication and engagement with investors; and enhance and improve investor relations management.
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ContactWith a spirit of self-respect, self-reliance, and relentless self-improvement, coupled with an open mind, we focus on customer needs based on continuous learning and absorption. We dare to take risks, keep exploring, and steadily build management models and technological products that reflect our unique characteristics.
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No. 350, Lijiang Road, Shijiazhuang High-tech Zone
Commercial and Industrial Energy Storage Integrated Cabinet THE-300/600FL-MV, THE-150/600F1-MV
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Product Introduction
The Tonghe Chang’an series integrated energy storage cabinets, as a leading large-scale low-voltage grid-connected cabinet-type energy storage system in the industry, leverage advanced power electronic conversion, intelligent thermal management, multi-level safety protection, and AI-driven energy management technologies. They meet diverse user-side operational strategies—including peak-shaving and valley-filling, ancillary services for power systems, demand-side response, and participation in spot electricity markets—providing customers with efficient, highly secure, and reliable performance that safeguards their benefits.
Product Features
Ultimate efficiency
PCS is inherently highly efficient, with a maximum efficiency of ≥98.5%. The 3S integration enables lower investment, and the system’s conversion efficiency exceeds 88%.
Highly integrated system + intelligent thermal management strategy achieves a uniform temperature of 4°C across the entire cluster, reducing thermal management energy consumption by 43.8% compared to single-cluster systems.Safe and reliable
PCS system features a dual-redundancy design to enhance equipment uptime.
Four-layer system security design ensures precise early warnings, timely fire suppression, and prevention of combustion and explosions.Easy delivery
Modular stacking for flexible scalability; in-cabinet AC busbar distribution, reducing cable costs;
Single-sided maintenance for the entire cabinet eliminates the need for a maintenance access aisle behind the cabinet, thereby reducing the system’s footprint. The rooftop-mounted air conditioning unit reduces the required spacing for heat dissipation and lowers construction costs.Flexible and intelligent
Cloud-based digital connectivity: Supports remote OTA updates and precise cloud-based troubleshooting.
Worry-free parallel operation of multiple machines: Optional three-phase three-wire/three-phase four-wire configurations; supports one-button multi-machine debugging.
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Product Technical Specifications Table
Model THE-300/600F1-MV THE-150/600F1-MV DC parameters Cell type LFP 3.2V/314Ah LFP 3.2V/314Ah Combined configuration 1P300S × 2 1P300S × 2 Rated energy 600kWh 600kWh Depth of discharge ≥95%DOD ≥95%DOD Number of cycles >8,000 times, SOH > 70% >8,000 times, SOH > 70% Communication parameters Rated output power 270kW 160kW Rated grid voltage 400V 400V Rated current 391A 231A Total Harmonic Distortion of Grid-Connected Current (iTHD) <3% (rated power) <3% (rated power) Power factor -1 to 1 -1 to 1 Allowable grid frequency range 47.5 Hz to 51.5 Hz 47.5 Hz to 51.5 Hz System parameters Dimensions (Width x Depth x Height) 2200*1650*2750 2200*1650*2750 Weight <6.5t <6.5t Protection rating IP55 IP55 Cooling method Smart air-cooling Smart air-cooling Operating temperature range -20~55℃ (Derating above 45℃) -20~55℃ (Derating above 45℃) Operating humidity range 0–95% RH, no condensation 0–95% RH, no condensation Maximum working altitude ≤2000m ≤2000m Firefighting methods PACK+ Cabin-level immersion-type perfluorohexanone, water-based fire-fighting interface, 3-in-1 active early warning system, and independent fire-fighting power supply. PACK+ Cabin-level immersion-type perfluorohexanone, water-based fire-fighting interface, 3-in-1 active early warning system, and independent fire-fighting power supply. External Communication Protocol Modbus RTU, Modbus TCP Modbus RTU, Modbus TCP
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