• 20 kW Liquid-cooled On-board  Charger(OBC) Assembly
  • 20 kW Liquid-cooled On-board  Charger(OBC) Assembly
  • 20 kW Liquid-cooled On-board  Charger(OBC) Assembly
  • 20 kW Liquid-cooled On-board  Charger(OBC) Assembly

20 kW Liquid-cooled On-board Charger(OBC) Assembly

No.LK1910
  1. Liquid-cooled Heat Dissipation – with Over-temperature Protection / IP67 Protection Rating
  2. Digital Power Supply – Full Digital Control Technology
  3. Active PFC – Dual-channel Input for Single-phase and Three-phase
  4. Electromagnetic Compatibility (EMC) – Complies with GB Requirements / Adaptable to CE and UL Standards
  5. CAN Communication – Bootloader Supported
  6. Auxiliary Power Supply – Integrated 12V 3A Auxiliary Power Supply
  7. CC/CP – Supports CC/CP Wake-up and Processing
  • 20 kW Liquid-cooled On-board  Charger(OBC) Assembly
  • 20 kW Liquid-cooled On-board  Charger(OBC) Assembly

Description

Product Advantages

Structural and Design Innovations Ensuring Reliability

Designed with modular architecture, the 20kW liquid cooled onboard charger incorporates liquid cooling pathways that enhance thermal dissipation efficiency, critical for maintaining performance under continuous high load. The IP67-rated housing ensures robust environmental protection against particulate and moisture intrusion, suitable for rigorous commercial vehicle environments. Integration of dual-channel input facilitates compatibility with both single-phase and three-phase power infrastructures, enhancing installation flexibility. Furthermore, the onboard charger manufacturer has embedded CAN communication protocols with bootloader support, enabling streamlined firmware upgrading and system diagnostics that reduce downtime and simplify maintenance cycles.

Optimized Performance Delivering Operational Efficiency and User Value

This liquid cooled onboard charger provides active power factor correction, reducing electrical losses and improving grid compatibility, which translates to economic benefits for fleet operators. Its constant current/constant power wake-up functions enable adaptive charging management, ensuring energy delivery aligns precisely with vehicle battery requirements. The fully digital control system supports stable charge output and responds dynamically to varying input conditions. Such attributes elevate system performance reliability and operational uptime, crucial for commercial applications. Additionally, the integrated 12V 3A auxiliary power supply supports auxiliary vehicle systems, optimizing overall vehicular power management efficiency.


Use Scenarios

Onboard Charging Solutions for Heavy-Duty Commercial Vehicles

In the demanding environment of heavy-duty trucks and public transit buses, the liquid cooled onboard charger plays a critical role in maintaining vehicle uptime with efficient onboard recharging capabilities. The liquid cooled OBC supplier’s product ensures stable power delivery even in harsh thermal and electrical conditions, essential for fleets operating extended schedules. Its compliance with IP67 standards enables resistance to dust and water, common in logistics and transit operations. Integration with vehicle CAN networks facilitates real-time communication of charging status, streamlining operator workflow and predictive maintenance programs, thus supporting operational continuity and increasing overall fleet efficiency.

Marine and Agricultural Vehicle Electrification Applications

The 20kW liquid cooled onboard charger adapts to specialized sectors such as electric vessels and agricultural machinery, which require high-capacity onboard power supplies capable of managing diverse voltage levels and environmental exposure. Its liquid cooled design manages thermal loads effectively in confined engine compartments, and its digital control system ensures stable power output despite variable input conditions prevalent in marine and agricultural settings. The onboard charger manufacturer has engineered this product to meet stringent EMC and safety standards, providing reliability and regulatory compliance crucial for industry adoption. This integration facilitates seamless incorporation into complex vehicle networks, enhancing end-user confidence in electric conversion projects and fleet modernization efforts.


Product model

Rated Vin

Rated Pout

Rated Vout

Vout range

Iout range

LK1911-M01-XX

220VAC/380VAC

19.8KW

720VDC

0~1000VDC

0~27A

LK1912-M01-XX

220VAC/380VAC

19.8KW

540VDC

0~720VDC

0~36A

LK1913-M01-XX

220VAC/380VAC

19.8KW

360VDC

0~500VDC

0~54A

LK1914-M01-XX

220VAC/380VAC

19.8KW

144VDC

0~200VDC

0~132A

LK1915-M01-XX

220VAC/380VAC

19.8KW

108VDC

0~140VDC

0~180A

LK1916-M01-XX

220VAC/380VAC

19.8KW

80VDC

0~105VDC

0~240A



Application Fields:
  1. Commercial Vehicles – Heavy-duty Trucks/Buses On-board Chargers
  2. Special-purpose Vehicles – Modified Special-purpose Vehicles On-board Chargers
  3. Industrial Vehicles – Loaders On-board Chargers
  4. Electric Vessels – Large Vessels On-board Chargers
  5. Agricultural Machinery – Electric Tractors On-board Chargers
  6. Passenger Vehicles – Mini Passenger Vehicles On-board Chargers
  7. Military-standard Special-purpose Vehicles – Military Vehicles On-board Chargers

FAQ 

What customization options are available for the 20 kW liquid-cooled onboard charger?
We offer multiple model variations with different voltage and current ranges to suit your specific needs. Our 20kW liquid cooled onboard charger can be tailored for commercial, industrial, or passenger vehicle applications to ensure optimal performance and integration.

Can you assist with installation and integration of the liquid-cooled OBC?
Yes, we provide technical guidance for the installation and integration of the liquid cooled OBC into various vehicle platforms. Our support covers CAN communication protocols, power supply management, and protection features to facilitate seamless onboard charger deployment.

How does your 20kW liquid cooled onboard charger ensure long-term reliability?
We utilize liquid-cooled heat dissipation paired with over-temperature protection and an IP67-rated housing. These features, combined with robust digital control and active PFC, enhance durability and stable operation in demanding environments, meeting global safety and EMC standards.

What logistics and delivery options do you offer for bulk orders?
We manage shipping and delivery tailored to industrial clients, ensuring secure transport of our liquid cooled onboard charger assemblies. Our production capacity and national high-tech status allow us to meet large volume demands with consistent quality control and timely service.