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2-in-1
6.6kW
300W
Liquid cooled
Natural Cooling
3.3KW
2KW
Liquid Cooled
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Product Features
The Landworld 6.6kW liquid-cooled on-board charger is designed for electric ferries, electric boats, light-duty electric vehicles, and other marine EV platforms. With IP67 protection, high-efficiency AC/DC conversion, CAN-BUS communication, and multiple battery voltage options, it helps OEMs and system integrators build reliable, compact, and easy-to-integrate charging systems for harsh operating environments. |
IP67 Protection for Harsh Environments With IP67 protection, the 6.6kw on-board charger is suitable for wet, dusty, and vibration-prone operating conditions, making it a practical choice for marine EVs, commercial vehicles, and construction machinery. |
Online Upgrade & Fault Diagnosis Supports online upgrades and fault diagnosis, enabling remote troubleshooting and real-time software updates to maintain optimal performance. |
Digital Design & Redundant Protection Equipped with a full digital design and redundant protection, it ensures reliable operation and safeguards against electrical faults in various electric vehicles. Built for Marine EV Charging Designed for electric ferries, electric boats, and light-duty EV platforms, this 6.6kW OBC provides reliable AC-to-DC charging for high-voltage battery systems in compact vehicle and marine applications. Multiple Battery Voltage Options The charger supports 380VDC, 540VDC, and 640VDC nominal output platforms, helping OEMs match different battery pack designs and vehicle voltage architectures. |
Parallel Charging Capability Enables connection of up to four units for scalable and high-power charging to meet demanding applications. Liquid Cooling for Stable Performance The liquid-cooled structure helps control operating temperature during continuous charging, supporting stablility in enclosed installation spaces and demanding duty cycles. CAN-BUS Communication and Redundant Protection CAN-BUS communication enables integration with BMS and VCU systems. Built-in protection functions include input over-voltage, input under-voltage, output over-voltage, output under-voltage, over-temperature, over-current, short-circuit, and CAN communication fault protection. |
The Landworld 6.6kW liquid-cooled on-board charger for electric ferry battery systems is available with the following technical parameters:
Items | Technical Spec. | Remarks | ||
Operation temperature | -40-85℃ | Working for long time | ||
Nominal output power | 6.6kW | |||
Input voltage | 85-265Vac | |||
Nominal output voltage | 380VDC | 540VDC | 640VDC | |
Output voltage range | 200-450VDC | 400-650VDC | 450-750VDC | |
Max output current | 20A | 14A | 12A | |
VCC power supply | 9-32VDC | VCC | ||
Efficiency | ≥94% | Typical efficiency | ||
Voltage accuracy | ±1% | |||
Current accuracy | ±3% | |||
Low voltage wake up | 200mA max (WAKE_UP signal) | Wake up BMS/VCU. The voltage is same as VCC | ||
Wake up method | AC, CC/CP | Support pre-booking charging | ||
CAN communication | CAN-BUS | |||
Static current | ≤2mA | Current consumption at sleep mode or standby status | ||
Protection features | Input OVP/UVP, output OVP/UVP,OTP, OCP, output short-circuit protection, CAN communication breakdown protection | |||
The Landworld 6.6kW liquid-cooled OBC is suitable for electric ferry, electric boat, marine sightseeing boat, electric workboat, light-duty electric truck, electric construction machinery, and new energy passenger vehicle applications. It is especially suitable for projects that require compact installation, stable thermal management, high-voltage battery compatibility, and reliable charging communication.
New Energy Passenger Vehicle
Electric Commercial Vehicle
Electric Boat 
New Energy Construction Machinery
1. What makes the Landworld liquid cooled 6.6kW on-board charger suitable for residential applications?
The Landworld liquid-cooled 6.6kW on-board charger is designed for residential electric vehicle charging. Its compact size and efficient cooling make it ideal for home installations, catering to manufacturers targeting the consumer market.
2. How does the liquid cooling system impact the charger's efficiency?
The liquid cooling system in the Landworld 6.6kW on-board charger optimizes thermal performance, resulting in higher charging efficiency. This efficiency is essential for manufacturers focusing on cost-effective solutions for electric vehicle owners.
3. What monitoring features are available for the Landworld liquid cooled 6.6kW on-board charger?
The Landworld liquid-cooled 6.6kW on-board charger can be equipped with monitoring features that provide insights into charging cycles and system health. These features enable manufacturers to enhance user experience by providing real-time data.
4. How does the Landworld 6.6kW liquid-cooled on-board charger enhance the lifespan of residential electric vehicle batteries?
The efficient thermal management provided by the liquid cooling system helps maintain optimal operating temperatures, reducing battery stress during charging. This leads to prolonged battery life and improved overall performance for electric vehicle owners, making it an attractive option for residential use.
5. What safety features are integrated into the Landworld 6.6kW liquid-cooled on-board charger for residential use?
The Landworld 6.6kW on-board charger includes advanced safety features such as overvoltage protection, overcurrent protection, and temperature monitoring. These features ensure safe and reliable operation, providing peace of mind to residential users and manufacturers focused on safety compliance.
6: Is this 6.6kW OBC suitable for electric ferries and electric boats?
Yes. This charger is designed for electric ferries, electric boats, light-duty EVs, and other high-voltage battery platforms. Its compact size, IP67 protection, and liquid-cooled design make it suitable for marine and vehicle integration.
7: Why use liquid cooling for a 6.6kW on-board charger?
Liquid cooling helps maintain stable thermal performance during continuous charging. It is especially useful for compact installation spaces, enclosed vehicle layouts, and applications where long-term reliability is required.
8: What battery voltage platforms can this charger support?
This product supports 380VDC, 540VDC, and 640VDC nominal output platforms, with different output voltage ranges available for matching various battery pack designs.
9: Can the charger communicate with the vehicle control system?
Yes. The charger supports CAN-BUS communication, allowing integration with BMS and VCU systems for charging control, monitoring, and fault management.
10: What protection functions are included?
The charger includes input over-voltage and under-voltage protection, output over-voltage and under-voltage protection, over-temperature protection, over-current protection, output short-circuit protection, and CAN communication fault protection.
