Riscaldatore PTC HVCH 25KW30KW35KW 600V800V1100V 12KG per Autobus, Camion, Macchinari Edili, Riscaldamento Cabina BTMS RBS, EVLINK

Are You Facing These Thermal Management Challenges?

Vibration Testing

EVLINK has successfully completed comprehensive water circulation  and power-on performance testing for its Q Series PTC Coolant Heaters at the laboratory facilities of Shanghai University of Engineering Science (SUES). 

Applications

EVLINK Technology’s high-voltage PTC water heater is widely used in electric buses, electric heavy-duty trucks,  electric light trucks, mining trucks, and energy storage thermal management systems. 

About Us

Evlink was founded in 2020, specializing in the R&D and manufacturing of automotive-grade high-voltage,  high-power coolant heaters. Our core team brings over 10 years of experience in the electric vehicle components industry.

In 2025, the company achieved an annual revenue of nearly RMB 200 million, with a workforce of 400 employees,  including 80 R&D engineers.

Our core business focuses on electric heating solutions for thermal management systems in commercial vehicles.  We offer high-voltage coolant heaters with a voltage range of 600V–1100V and power output from 3kW to 35kW.  Our mass-produced models reach a maximum rated voltage of DC 870V and a maximum rated power of 35kW,  placing our technical performance at the forefront of the industry.

Our Team

The company operates a modern production base covering 18,000 square meters,  equipped with advanced manufacturing facilities and a  professional management team.

With 16 years of industry experience, we have established a senior R&D team of over 80 experts,  specializing in hardware, software, and system integration.

18000m²   |    80+          |    65+           |     30+

Factory Area                         R&D Engineers                   Export Countries                    Production Lines

Certifications & Patents

Our patented technologies reflect our continuous innovation in high-voltage PTC heating systems,  ensuring efficiency, safety, and long-term reliability.

Production Process

Backed by a professional R&D team and extensive project experience,  we provide customized development and system integration services for high-voltage liquid heaters based on  customers’ actual operating conditions, achieving optimized thermal management performance and better vehicle compatibility.

FAQ

Q: How to choose the right PTC water heater?
A: Please provide the following parameters to help with selection:

· Application scenario (bus / heavy-duty truck)

· Intended use (battery heating, cabin heating, regenerative braking energy recovery)

· Operating conditions

· Operating voltage range

· Rated voltage and power

· Battery type and capacity

· Target outlet water temperature

· Ambient operating temperature

· Coolant flow rate

· Installation space

Q: How does a PTC water heater work?
A: The PTC heater works by passing electric current through PTC ceramic material. The material’s resistance increases as temperature rises, automatically adjusting the heating power to maintain a constant temperature.

Q: Which vehicle types is it suitable for?
A: Suitable for most electric buses, electric trucks, and electric construction machinery (excavators, loaders, etc.).

Q: How does it perform in low-temperature environments?
A: PTC heaters remain stable in low-temperature conditions, making them ideal for electric vehicles in cold regions.

Q: What are the core advantages of EVLINK PTC water heaters?
A: High reliability, fast and uniform heating, patented thermal expansion control, moisture protection, and exceptional performance under extreme conditions.

Q: Is customized development supported?
A: Yes. Common customization options include:

· Power rating (3 kW – 35 kW)

· Voltage platform (400 V – 800 V)

· Communication protocol (CAN / EN enable)

· Mounting bracket design and dimensions

· High-voltage and low-voltage connectors

Q: Is OEM/ODM customization available?
A: Yes. Options include:

· Power and voltage customization

· Connector types

· Communication protocols (CAN, etc.)

· Appearance and mounting structure

Q: What is the lead time?
A: Minimum order quantity: 1 unit. Sample delivery within 7 days. Agile development ensures rapid response to changing requirements.

Q: Are certifications available?
A: The product meets automotive-grade standards and can provide certifications such as CE, ISO, and E-Mark.

Q: Are sample tests supported?
A: Yes. Samples can be provided for performance verification and vehicle integration testing.

Q: Does it support full vehicle system integration?
A: Yes. Integration with the vehicle control system is possible via CAN communication.

HVCH QA01 15-25kW DC High-Voltage PTC Heater EVLINK Heater DC power

1. It offers efficient heat transfer and distribution, ensuring uniform heating across the system.
2. With its advanced temperature control capabilities, the PTC heater provides precise heating for enhanced performance and energy efficiency.
3. It is equipped with built-in safety features, such as overheat protection and fault detection, ensuring safe operation in high-voltage environments.

Product Introduction:

In a groundbreaking partnership, EVLINK has joined forces with the University of Shanghai for Science and Technology to co-develop the innovative EVLINK HVCH QA01 series high-voltage PTC heater. Steeped in a rich history of scientific innovation, this collaboration brings together the best of research and practical application, manifesting a heater that showcases unique control technology and a distinctive design entirely conceptualized by EVLINK.

Specification:

Product Attributes

ØIndependent Research & Development: Both the control mechanism and the structural design of the heater are original developments by the EVLINK team, representing a significant leap forward in heating technology.

ØDirect Supply Chain: EVLINK assures a direct supply chain to clients, eliminating middlemen and fostering a transparent and streamlined procurement process.

ØComprehensive Experimental Reports: Clients can expect detailed experimental reports accompanying each product, offering an in-depth insight into the heater's performance and specifications.

Applications

As winter descends upon Korea, bringing temperatures plunging to lows of -20°C, the EVLINK 20KW heater emerges as a beacon of warmth and comfort. Already adopted by a significant majority of electric buses in the region, it swiftly elevates cabin temperatures, ensuring a cozy and comfortable environment for passengers.

Our Services

EVLINK maintains a robust service network spread across China and Korea, backed by teams that engage in regular training sessions for bus drivers. These sessions not only enhance the skills of the drivers but also impart knowledge on the optimal operation of the heaters. Furthermore, regular inspections of the heater units are conducted to ensure continuous efficient performance.

On-Site Training and Guidance: Our personnel visit various sites regularly to train and guide bus drivers, helping them understand the nuances of operating the heaters proficiently.

Continuous Monitoring and Support: Our teams vigilantly monitor the heaters' performance, ready to provide immediate assistance and support to ensure the heaters function at their best.

Competitive Advantages

Collaborative R&D Background: The product is a result of a partnership with the University of Shanghai for Science and Technology, combining academic research with practical application.

Direct Supply Assurance: EVLINK stands as a direct supplier, promising transparency and efficiency in product procurement.

Broad Adoption in Korea: Already a popular choice among a majority of electric buses in Korea, proving its effectiveness and reliability.

Energy Efficient with Precise Control: Our heater offers precise and stepless control, ensuring optimal performance and energy management, allowing for a greater driving range without unnecessary energy wastage.