LR-L3W5-20K 20KW Air-Cooled On-Board Charger (OBC)

Powering the Next Generation of Electric Commercial Vehicles

The LONGRUN LR-L3W5-20K is a high-power 20KW Air-Cooled On-Board Charger (OBC) engineered for electric buses, trucks, logistics vehicles, construction machinery, mining equipment, and marine applications. Designed with advanced digital control technology, CAN communication, and a rugged IP67-rated enclosure, it delivers reliable and efficient charging performance even in the harshest operating environments.

Whether you are building a 96V electric forklift or an 800V heavy-duty electric truck, the LR-L3W5-20K provides a flexible charging solution with output voltages up to 850VDC.

Key Features

20KW High-Power Fast Charging

Deliver up to 20KW charging power to significantly reduce charging time and improve vehicle uptime.

Wide Voltage Range

Supports battery systems from 80VDC to 850VDC, making it suitable for a wide range of EV platforms.

High Efficiency

Up to 94% conversion efficiency, reducing energy loss and heat generation while improving overall charging performance.

Power Factor ≥0.99

Optimized power quality with low harmonic distortion and improved grid compatibility.

IP67 Waterproof Protection

Fully sealed design protects against water, dust, mud, vibration, and harsh outdoor environments.

Built for Commercial Vehicles

Designed specifically for electric buses, trucks, logistics vehicles, construction machinery, mining equipment, and electric vessels.

Smart CAN Bus Communication

Supports seamless communication with BMS and vehicle control systems for intelligent charging management.

Wide Operating Temperature

Reliable performance from -40°C to +65°C, suitable for extreme cold and hot climates.

Comprehensive Safety Protection

Integrated protection functions include:

• Input Over/Under Voltage Protection

• Output Over Voltage Protection

• Output Over Current Protection

• Output Short Circuit Protection

• Reverse Polarity Protection

• Over Temperature Protection