Powerful Bi-directional 6.6kW On-Board Battery Charger 2kW DC-DC 480V | High-Efficiency EV & Marine Power Solution
The Ovartech CAD662DF400-14202B is a high-frequency integrated power unit, combining a 6.6kW bi-directional on-board battery charger and a 2kW DC-DC converter in a single compact package. This all-in-one design optimizes space utilization, reduces overall weight and wiring complexity, effectively lowering costs associated with inventory, on-site installation and after-sales service for electric vehicle and marine equipment manufacturers.
This bi-directional 6.6kW OBC + 2kW DC-DC converter series is engineered to meet the stringent demands for efficiency, robustness and safety in electric vehicle battery charging applications. It supports a wide AC input voltage range of 85–265V, enabling seamless and reliable global deployment across diverse regional power grid standards. Its high-efficiency operating design minimizes energy loss, making the entire charging process more cost-effective for large-scale fleet and marine usage.
The unit features an intelligent charging mode that automatically regulates output voltage through CC/CV/cut-off stages to match different battery charging profiles. Comprehensive built-in safety protections are included: short-circuit, over-voltage, over-current and over-temperature protection, ensuring stable and secure operation throughout the entire working cycle without operational risks.
Equipped with a standard CAN-bus interface, the CAD662DF400-14202B enables real-time data transmission. It reliably sends charging status, interlock connection details, as well as disconnection and fault alarm messages to the Vehicle Control Unit (VCU) via the Battery Management System (BMS), supporting intelligent power management of the whole vehicle/ship.
The Ovartech CAD662DF400-14202B charger series is fully compliant with international automotive and marine standards including SAE J1772 and IEC 61851. Boasting an IP67 protection rating, it performs stably and durably in harsh and demanding operating environments typical of electric vehicle and marine applications, meeting the high-quality requirements of professional equipment manufacturers.
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