6600W Onboard Charger + DC/DC + Inverter (3-in-1 EV Power System)

Power Your Electric Vehicle with One Integrated Solution

The LR-LF4-6600-JYT3000 is a high-performance 3-in-1 EV power system integrating an onboard charger (OBC), DC/DC converter, and optional AC inverter into a single compact unit.

Designed for electric vehicles, industrial equipment, and EV conversion projects, this system delivers high efficiency, intelligent control, and reliable operation in the most demanding environments.

⚡ Key Features

• 6600W high power onboard charger
• Integrated OBC + DC/DC + AC inverter (3-in-1 design)
• Ultra-high efficiency up to 94%
• Wide input voltage range: 90–265VAC
• CAN Bus communication with BMS
• Full protection system for safety
• Liquid cooling for harsh environments
• Wide temperature range: -40°C to +85°C
• Compact design, easy onboard installation

🔧 Technical Specifications

OBC Input

• Input Voltage: 90–265 VAC
• Rated Voltage: 220 VAC
• Max Input Current: ≤32A
• Power Factor: ≥0.98

OBC Output

• Rated Power: 6600W
• Efficiency: ≥94%
• Voltage Range:
  • 72V: 50–105V
  • 96V: 65–140V
  • 320V: 220–500V
  • 540V: 350–700V
• Charging Mode: CC / CV / CP

DC/DC Converter

• Output Voltage: 14V DC
• Rated Power: 2000W
• Output Current: 140A
• Efficiency: ≥90%

AC Inverter (Optional)

• Output Voltage: 220VAC ±5%
• Frequency: 50Hz
• Power: ≤3.5kVA
• Efficiency: ≥93%

🧠 Intelligent Control & Communication

Equipped with a high-speed CAN Bus communication system, the charger enables real-time interaction with the BMS, ensuring precise control, optimized charging, and system safety.

Supports multiple wake-up methods:

• CAN wake-up
• CC/CP signal wake-up
• Hardwire wake-up

🛡 Advanced Protection System

Built-in multi-layer protection ensures safe and stable operation:

• Over-voltage protection
• Under-voltage protection
• Over-current protection
• Short-circuit protection
• Over-temperature protection

🌍 Built for Harsh Environments

• Operating Temperature: -40°C to +85°C
• Storage Temperature: -40°C to +95°C
• Altitude: up to 4000m
• Cooling: Liquid cooling system
• Noise: <65dB

Reliable performance in extreme climates and industrial conditions.

🚗 Applications

This system is widely used in:

• Electric vehicles (EV)
• Electric trucks and logistics vehicles
• Golf carts and low-speed vehicles
• Forklifts and industrial equipment
• Electric boats
• EV conversion (retrofit) projects

💡 Why Choose This Solution?

• Reduce system cost with integrated design
• Save installation space
• Improve overall efficiency
• Simplify system architecture
• Enhance reliability and durability

📦 Customization & Support

We provide flexible solutions based on your project needs:

• Voltage customization
• Power customization
• Communication protocol support
• OEM / ODM services

📩 Get a Quote

Looking for a reliable EV power solution?

Contact us today to get:

• Technical datasheets
• Custom solutions
• Pricing and lead time

👉 Send your inquiry now and our engineers will support your project within 24 hours.