6.6KW OBC On Board Chargers For Boats, Marine, Electric Vehicles, 6KW EV Charger 312V
The HK-L series 6.6KW On-Board Charger (OBC) is tailored for recharging electric vehicles and electric boat batteries. This charger excels in efficiency, compactness, stability, and durability. Additionally, it offers extensive protection, reliability, and a range of protective functions, rendering it a prime power solution for electric vehicle and boat charging needs.
Output Voltage/Output Current: 312V/20A
Output Voltage Range: 110~440V
Output Power: 6600W@220VAC 3300W@110VAC
Baud Rates: 250K/ 500K
Product Features
Equipped with an integrated thermal sensor, the OBC On-Board Charger provides overheat protection and automatic recovery capabilities. Its fully sealed encapsulation process achieves an IP67 protection rating, guaranteeing reliable operation in any challenging environment without the risk of malfunction.
1. Featuring a wide input voltage range of AC90V to AC264V at 45 to 65 Hz, it meets global requirements, handles electric network fluctuations, and facilitates vehicle exportation.
2. Its intelligent temperature compensation function during charging prevents battery damage from overcharging or undercharging, thereby significantly extending battery lifespan.
3. Compatible with various battery types such as LiFePO4, NMC, etc., it offers flexibility and programmability in charging modes. It includes Enable Control (Automatic Control) or CAN communication interface for real-time communication with BMS, providing optional functionalities.
4. It includes a built-in heat-sensing device for temperature control and automatic recovery through thermal protection.
5. Fully sealed and waterproof with an IP67 protection rating, it ensures dust-tightness and protection against immersion up to 1 meter depth.
| Model | Rated Voltage | Rated Current | Output Voltage Range | Cooling Method |
| HK-LF-144-46 | 144V | 46A | 50 ~ 198V | Forced air cooling |
| HK-LF-312-20 | 312V | 20A | 110 ~ 440V | Forced air cooling |
| HK-LF-540-14 | 540V | 14A | 163 ~ 650V | Forced air cooling |
There are various charger accessories available for selection.




















