As the automotive industry accelerates its transition to electrification, the battery pack has become the "heart" of electric vehicles, directly determining their range, performance, and reliability. The 339.2V 210Ah lithium-ion battery pack solution equipped in the Daihatsu Hijet represents a significant advancement in energy storage technology. This battery system is meticulously designed, offering exceptional performance in energy output, efficiency, and safety. It not only enhances the practicality of the Hijet as a versatile urban mobility tool but also sets a new benchmark for the design and sustainability of electric vehicle batteries.
1. Core Specifications: Balancing Energy and Power
This high energy density enables the Hijet to achieve considerable range, suitable for urban delivery, daily commuting, and medium to long-distance travel. The battery design balances high power output (supporting rapid acceleration) with sustained energy supply (ensuring long-distance endurance). Its modular architecture offers excellent scalability, allowing for future upgrades or customization based on user needs.
2. Technical Architecture: Precision Engineering for Performance
Cell Technology
Utilizes advanced Lithium Iron Phosphate (LiFePO₄) cells, renowned for high safety, excellent thermal stability, and long cycle life. These cells support high-rate discharge and exhibit slow capacity degradation, ensuring stable performance even after thousands of charge-discharge cycles.
Modular Design
The battery pack consists of multiple battery modules connected in series and parallel. This design enhances system fault tolerance—a single module failure does not cause the entire system to fail—while also facilitating maintenance and replacement.
Integrated Liquid Cooling System
The battery pack incorporates an internal liquid cooling circuit that effectively regulates cell temperature, preventing overheating under high-load conditions (such as climbing or fast charging), thereby optimizing battery lifespan.
3. Safety First: Multi-Layer Protection System
Thermal Management
Real-time temperature monitoring and intelligent cooling control significantly reduce thermal runaway risks. Heat-resistant materials between cells further inhibit heat spread.
Physical Protection
High-strength aluminum alloy casing with impact-resistant design effectively withstands collisions and vibrations. With an IP67 protection rating, it is dustproof and waterproof, adaptable to various environments.
Electrical Safety
Built-in voltage balancing circuits and electrical isolation systems prevent overvoltage and short circuits. The Battery Management System continuously monitors cell health, state of charge, and discharge rates, triggering protection mechanisms immediately upon detecting abnormalities.
4. Energy Efficiency and Intelligence: Maximizing Range and Lifespan
- Advanced BMS: As the "brain" of the battery, the BMS extends cell lifespan through optimized charging/discharging algorithms, dynamically balances voltage, and intelligently allocates energy based on driving conditions.
- Energy Recovery Integration: Efficiently recovers kinetic energy during vehicle deceleration, enhancing overall energy efficiency and alleviating range anxiety.
- OTA Upgrade Capability: The BMS supports remote software updates, enabling continuous performance optimization, enhanced safety, and integration of new features throughout its lifecycle.
5. Lightweight and Space Efficiency
Despite its notable capacity, the battery pack achieves weight reduction through innovative materials (such as lightweight aluminum alloy) and structural optimization. Its compact form and flat design allow flexible placement within the Hijet's chassis, preserving cargo space and maintaining vehicle handling agility. This "form follows function" design philosophy ensures the battery system does not compromise the Hijet's inherent advantages as an agile, practical urban vehicle.
6. Environmental Adaptability and Full Lifecycle Sustainability
- Wide Temperature Range Operation: The battery pack operates stably in ambient temperatures from -30°C to 55°C, adapting to climates ranging from severe cold to intense heat.
- Material Recyclability and Circular Use: Battery composition emphasizes recyclable materials, and the long-life design reduces replacement frequency. After end-of-life, valuable materials can be extracted through specialized recycling processes, minimizing environmental impact.
Conclusion: The Core Power Driving the Electric Revolution
The 339.2V 210Ah lithium-ion battery pack is not merely an energy storage unit; it is the cornerstone of Daihatsu Hijet's transition to electrification. By combining high energy density, rigorous safety measures, intelligent management, and sustainable design, it enables the Hijet to excel in urban environments and expands the performance boundaries of electric vehicles. As the world moves toward cleaner transportation, this battery solution not only powers the Hijet but also paves the way for a more sustainable future, demonstrating how innovation can integrate practicality, efficiency, and environmental responsibility. Equipped with this advanced battery pack, the Hijet is ready to redefine the compact electric vehicle experience.
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The battery pack is designed for longevity with advanced LiFePO₄ chemistry, typically offering 3000+ charge cycles while maintaining 80% of original capacity. With proper use and maintenance, it can last 8-10 years in typical urban driving conditions.
Charging time depends on the charger capacity. With a 7kW AC charger, full charge takes approximately 10 hours. Using DC fast charging (50kW), the battery can reach 80% charge in about 1 hour. The integrated BMS optimizes charging to preserve battery health.
While specifically designed for the Daihatsu Hijet, the modular architecture allows adaptation to similar compact commercial vehicles. Custom mounting solutions and BMS programming may be required for different vehicle platforms.
The battery system meets international safety standards including UN38.3, IEC 62133, and relevant automotive electrical safety standards. It has undergone extensive testing for thermal runaway prevention, vibration resistance, and crash safety.
The standard warranty is 5 years or 100,000 km, whichever comes first. Extended warranty options are available. The warranty covers manufacturing defects and guarantees minimum capacity retention over the warranty period.
