As electric vehicles play an increasingly important role in modern transportation, the efficiency and convenience of charging systems have become key to user experience. The 6.6kW onboard charger integrated into the Daihatsu Hijet is an advanced solution that combines efficient charging, intelligent management, and safety reliability. This charger not only significantly reduces charging time but also ensures perfect compatibility with the vehicle's high-voltage battery system and diverse charging scenarios through intelligent algorithms and multiple protection mechanisms, providing users with an efficient and reassuring charging experience.
1. Core Specifications: Power and Efficiency Combined
The 6.6kW onboard charger is specifically designed to convert grid AC power to the DC power required by vehicle batteries. Its main features include:
With a 339.2V 210Ah battery pack (approximately 71.2 kWh), the charging time from empty to full is approximately:
This makes it ideal for overnight home charging or daytime replenishment during extended parking periods.
2. Technical Highlights: Intelligent Charging Core
Advanced Power Factor Correction (PFC)
Utilizes active PFC technology to improve grid compatibility, reduce harmonic interference, and meet global energy efficiency standards.
Extensive Protocol Compatibility
Supports mainstream charging standards including IEC 61851 and GB/T, compatible with home sockets, public AC charging stations, and workplace charging facilities.
Adaptive Charging Algorithm
Built-in intelligent software dynamically adjusts charging power based on battery SOC, temperature, and grid conditions to optimize battery health and lifespan.
3. Safety and Reliability: Guardian of Energy Flow
Equipped with multi-level protection mechanisms including overcurrent, overvoltage, undervoltage, and short circuit protection to comprehensively ensure the safety of the vehicle and charging facilities.
Real-time temperature monitoring combined with efficient air/liquid cooling ensures temperature control and system stability during high-power charging.
Continuously detects AC-DC circuit insulation resistance, immediately initiating safety shutdown in case of abnormalities to prevent electrical risks.
Complies with international standards such as ISO 26262 (functional safety) and IEC 62196, ensuring global applicability and user trust.
4. User-Oriented Features: Convenience and Intelligence Combined
- Smart Charging Scheduling: Set charging plans via vehicle screen or mobile app to utilize off-peak electricity rates or match renewable energy generation periods.
- Real-time Status Visualization: Charging progress, energy consumption data, and diagnostic information can be viewed in the vehicle infotainment system or connected app for easy user monitoring.
- OTA Remote Updates: Charger firmware supports wireless updates, continuously optimizing charging logic, safety strategies, and new protocol compatibility.
- Plug-and-Charge Experience: Automatically recognizes charging gun connection, starting charging without manual operation to simplify the usage process.
5. Design Philosophy: Compact, Lightweight, and Future-Oriented
Compact design facilitates installation within the limited space of the Hijet, minimizing impact on vehicle layout and weight.
Utilizes high thermal conductivity materials and scientific heat dissipation path design to ensure reliability during long-term high-load operation.
Supports future power upgrades and functional expansion, reserving space for higher-power charging and new technology integration.
6. Environmental and Economic Impact: Value Beyond Efficiency
- Grid Balancing Support: V2G functionality can feed electricity back to the grid during peak demand periods, helping to balance load, with users potentially receiving corresponding incentives.
- Sustainable Design Orientation: The charger focuses on recyclability and low waste in material selection and manufacturing processes, aligning with Daihatsu's environmental philosophy.
Conclusion: Driving Toward the Future Charging Experience
The 6.6kW onboard charger, as a core component of the Daihatsu Hijet electrification ecosystem, significantly enhances the convenience and economy of electric vehicle use through efficient, safe, and intelligent charging capabilities. It not only adapts to diverse charging scenarios but also provides users with future-oriented energy interaction capabilities. As charging technology continues to evolve, the charger's upgradability and protocol openness will help the Hijet maintain long-term competitiveness in the electric mobility field, bringing users a more worry-free and connected electric living experience.
Upgrade Your Hijet with 6.6kW Smart Charging
Get detailed specifications, installation guides, and expert support for integrating a 6.6kW onboard charger into your Daihatsu Hijet EV retrofit project. Download our comprehensive 2025 charger selection guide.
Get 2025 Charger GuideFrequently Asked Questions
The 6.6kW power rating provides an optimal balance between charging speed and electrical system compatibility for most home and workplace charging scenarios. It allows the 71.2kWh battery pack to charge from empty to full in approximately 10.8 hours overnight, while remaining within the capabilities of typical residential electrical systems (32A single-phase). This power level is also cost-effective compared to higher-power DC fast charging solutions.
V2G capability allows your EV to discharge energy back to the electrical grid during peak demand periods. This provides several benefits: 1) It can help stabilize the grid and support renewable energy integration, 2) You may receive financial incentives or reduced electricity rates from utility companies, 3) It provides emergency backup power for your home during outages, and 4) It maximizes the utilization of your vehicle's battery as an energy storage asset.
The intelligent charging algorithm continuously monitors battery temperature, state of charge (SOC), and health indicators to optimize the charging profile. It can: 1) Reduce charging power when battery temperature is outside optimal range, 2) Implement gentle charging curves for high SOC levels to reduce stress, 3) Adjust charging based on historical usage patterns, and 4) Implement battery conditioning routines when needed. These adaptations can extend battery lifespan by 15-25% compared to fixed-rate charging.
For optimal 6.6kW charging at home, you typically need: 1) A dedicated 32A circuit with appropriate wiring (minimum 6mm² for short runs), 2) A Type 2 (IEC 62196) charging station or compatible outlet, 3) Potential main service panel upgrade if your existing electrical service is below 100A, 4) Ground fault protection as required by local electrical codes, and 5) Professional installation by a licensed electrician familiar with EV charging equipment. Some regions may also require permits or utility notifications.
While optimized for the 339.2V battery system mentioned, most modern 6.6kW onboard chargers support a wide output voltage range (typically 200-500V DC) to accommodate different battery configurations. However, compatibility depends on the specific charger model and its programming. Always verify voltage compatibility with your specific battery system before installation, and ensure the charger's communication protocol is compatible with your Battery Management System (BMS).
