Specification:
HVCH Q Series |
Heat Output | 15-35kW |
HV Voltage Range | DC 350-900V |
LV Voltage | DC 24V nominal |
Efficiency | > 95 % |
Controllability Steps | 100W |
Dimensions | 365*313*123mm |
Weight | 10kg |
Temperature Range for Heating | -40 to 90 ℃ |
Temperature Range for Ambient | -40 to 125 ℃ |
Communication | CAN or LIN2.1 |
Dielectric Strength | 3500 V (DC) |
IP Protection Class | IP 67 |
EMC | ECE R10 Rev. 5 |
Insulation Resistance | >500MΩ |
Service Life | 10 years or 10,000 heating hours |
When transit agencies plan to replace traditional diesel buses with zero-emission electric buses, they must consider the impact of extreme weather on the new fleet. Cold weather, in particular, can significantly reduce the range of electric vehicles. EVLINK's high voltage coolant heater provides an efficient battery thermal management solution for electric buses, effectively enhancing the vehicle's range in cold climates.

Product Advantages
- Supreme Water Resistance: The EVLINK high voltage liquid heater performs exceptionally well in laboratory humidity tests lasting up to 300 hours and has received third-party IP67 certification.
- Accurate Temperature Control: With the ability to adjust the water outlet temperature and maximum power, it provides precise temperature control, also utilized in Tsinghua laboratories.
- Double-tiered Safety Protocols: Integrating both mechanical and electronic safety measures, it effectively prevents potential hazards, ensuring operational safety.
- Complete Electrical Isolation: The special heat-conducting structure makes the heater 95% efficient, far surpassing traditional PTC heaters, providing critical safety assurance for electric vehicles.
- Innovative PTC Technology: The self-customized PTC chip dynamically adjusts power output while maintaining the designated temperature limit, enhancing product reliability and efficiency.

Applications
The EVLINK high voltage coolant heater is mainly used in vehicle thermal management systems. This system dynamically manages the thermal flow of the entire vehicle, including heating for batteries, motors, electronic controls, and passenger compartments, effectively extending the range of electric vehicles in winter. Currently, major manufacturers in China have adopted EVLINK heaters, which not only save costs for vehicle manufacturers but also provide liquid heating advice and technical support.

Our Services
- Direct Procurement: Simplify the procurement process, offering better service and support than trading companies.
- Bulk Order Benefits: Enjoy significant discounts on bulk orders, with orders of 500 units completed within a month, ensuring quality and reliability.
- Swift Responses: Prioritize your inquiries, guaranteeing responses within 24 hours, with dedicated heater technical specialist services.
- Competitive Pricing: Ensure you get high-quality products without exceeding your budget through attractive pricing strategies.
- Manufacturer's Assurance: Benefit from the quality and reliability guarantee that comes with direct manufacturer procurement.
- Client-focused Approach: Meet your specific needs, with customer satisfaction as the core mission.

Competitive Advantages
- Safety and Reliability: Products undergo stringent quality inspections, ensuring superior safety performance and reliability across various operational scenarios.
- Tailored Solutions: Utilize our OEM services, allowing for adjustments to suit your unique design criteria.
- Consistent Performance: Products are renowned for their consistent performance, offering a reliable partner in research projects.
- Weather Resilience: Products exhibit excellent resistance to adverse weather conditions, delivering outstanding insulation properties and resistance to dry burning, promising a longer operational lifespan.
- High-Voltage and High-Power Excellence: Heaters represent the pinnacle of high voltage and power capabilities, combined with intelligence and reliability, affording a distinct competitive edge in the market.
EVLINK’s high voltage coolant heater is a key component for ensuring efficient and reliable operation of electric buses in cold climates, providing first-class thermal management solutions for electric bus manufacturer