PTC Heater HVCH20KW22KW24KW 400V600V800V 8.5kg Bus Truck Construction Machinery BTMS RBS Battery Heating Cabin Heating EVLINK

Are You Facing These Thermal Management Challenges?

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.

Introduction

In special-purpose vehicles, especially those used for industrial applications, an efficient and reliable heating system is crucial. The high voltage water heater, designed specifically for heating water circuits in these vehicles, is an excellent solution. This article will provide a detailed overview of the features and advantages of the EVLINK high voltage water heater, focusing on its power, voltage range, and integrated control systems, and explain how it meets the demanding conditions of industrial use.

Understanding EVLINK High Voltage Water Heater

The EVLINK high voltage water heater is an advanced heater with integrated PTC elements and control units, designed for heating coolant in special-purpose vehicles. It operates on direct current (DC) and is particularly suited for industrial applications. This heater is composed of multiple PTC heating elements and has been rigorously validated according to automotive standards to ensure it meets the highest safety requirements.

Key Features of EVLINK High Voltage Water Heater

Power and Voltage Capabilities

• Power Output: The high voltage water heater offers up to 20kW of power output, with a boost mode reaching up to 22kW. This powerful performance ensures rapid and efficient heating of water circuits, which is essential for maintaining optimal operation in special-purpose vehicles.
• Voltage Range: The heater is designed to operate within a wide voltage range of 450 - 850V DC, with a boost range up to 950V DC. This flexibility in voltage allows it to be integrated into various vehicle systems, meeting different voltage requirements and ensuring compatibility across a broad spectrum of industrial applications.

Integrated Control Systems

• CAN Control Module: The heater is equipped with an integrated CAN 2.0 control module, allowing precise and independent control of the heating elements. EVLINK provides CAN 2.0 communication protocol and can also customize the CAN protocol to meet customer control requirements, and provide DBC files as needed.
• Temperature Sensor Controller: With an integrated temperature sensor controller, the high voltage water heater ensures the water circuits maintain the desired temperature. This feature not only improves the efficiency of the heating system but also enhances vehicle operation safety and reliability by preventing overheating and maintaining optimal performance.

Advantages of the High Voltage Water Heater in Industrial Applications

• Safety and Reliability: The heater is validated according to automotive standards, ensuring it meets the highest safety requirements. Its aluminum die-cast design and reliable performance make it an excellent choice for industrial applications where safety and reliability are critical.
• Energy Efficiency: The EVLINK high voltage water heater is designed to provide maximum energy efficiency. Its rapid heating capability and consistent temperature control help reduce energy consumption and enhance the overall efficiency of vehicle operation.
• Versatility: With its wide voltage range and powerful output, the heater is highly versatile and can be integrated into various special-purpose vehicles. Whether used in electric buses, construction machinery, or heavy-duty trucks, the high voltage water heater offers reliable and efficient heating solutions.

Applications of High Voltage Water Heater in Special-Purpose Vehicles

The high voltage water heater is particularly suited for the following special-purpose vehicles:

• Electric Buses: Ensuring passengers remain comfortable in cold weather by maintaining optimal cabin temperatures without affecting the vehicle's range.
• Construction Machinery: Providing efficient heating for cabins and critical components, ensuring smooth operation in harsh environmental conditions.
• Heavy-Duty Trucks: Offering reliable heating solutions for cabins and other systems, enhancing driver comfort and operational efficiency.

Choosing the Right High Voltage Water Heater

EVLINK's high voltage coolant heater precisely serves electric commercial vehicles, helping you choose the right high voltage PTC heater for your large electric vehicles. Based on the factors you provide, we customize high voltage electric heaters:

• Voltage Range: EVLINK heaters support voltage requirements from 350V to 1100V, ensuring compatibility with the electric vehicle's electrical system.
• Heating Capacity: Matching the PTC heater's output with the vehicle's heating requirements, EVLINK heaters support power outputs from 5kW to 35kW and have been mass-produced.
• Durability: Choose heaters designed for long-term reliability in challenging extreme environments. EVLINK's Q series heaters are fully constructed using aluminum die-casting, with internal protection strategies ensuring safety, making them a reliable choice for large electric commercial vehicle projects.

Conclusion

High voltage water heaters, with their low cost and high quality, occupy an irreplaceable position in the electric vehicle heating field. Their energy efficiency, safety features, and rapid heating capabilities make them an indispensable part of modern electric vehicles. As the electric vehicle industry continues to evolve, high voltage water heaters are expected to play a more significant role in improving passenger comfort and driving range.

Whether used in electric buses, construction machinery, or heavy-duty trucks, high voltage water heaters demonstrate their excellent performance and reliability, providing ideal heating solutions for industrial special-purpose vehicles.