Wuling Rongguang EV Conversion: 339.2V 230Ah CCS2 Battery Guide

Electrifying the Wuling Rongguang van requires careful selection of a lithium-ion battery pack that matches the vehicle's performance, safety, and integration requirements. A 339.2V 230Ah battery system, integrated with CCS2 charging solution, EVCC, and CAN communication, provides a robust configuration for reliable and efficient operation. This guide will help you make the right choice.

339.2V

Nominal Voltage

230Ah

Capacity

78 kWh

Total Energy

CCS2

Charging Interface

CAN/EVCC

Communication

78 kWh Total Energy

200-250 km

Urban Range

180-220 km

Mixed Range

150-180 km

Highway Range

Table of Contents

1. Voltage and Capacity Compatibility

The battery pack must align with the high-voltage DC platform of the performance electric drive system. A 339.2V nominal voltage falls well within the acceptable range and is compatible with the system's operating window. Ensure the battery can continuously deliver 230Ah discharge current to support the motor's peak power and current demands. Verify that the battery's discharge rate (C-rate) meets or exceeds the powertrain's requirements.

2. Battery Chemistry and Cell Quality

Choose between high-quality NMC or LFP cells based on your priorities:

NMC

NICKEL MANGANESE COBALT

Higher Energy Density Better Performance Ideal for Maximum Range

LFP

LITHIUM IRON PHOSPHATE

Excellent Thermal Stability Longer Cycle Life Superior Safety

Select automotive-grade cells from reputable manufacturers, ensuring proven longevity and consistency.

3. CCS2 Charging Solution Integration

The CCS2 interface supports both AC charging and DC fast charging, making it ideal for diverse charging scenarios. Ensure the battery pack includes:

CCS2-compliant charging inlet with HVIL

DC fast charging capability for rapid replenishment

Thermal management during charging

Communication protocol compatibility for plug-and-charge

4. EVCC and CAN Communication

EVCC acts as the gateway between the battery, charging station, and vehicle network. It must:

Support relevant international standards for smart charging and bidirectional communication
Enable power line communication via CCS2 cable
Interpret charging commands and monitor charging progress

The battery pack must also have CAN communication capability to interact with the BMS, motor controller, and dashboard. Critical data to exchange includes:

SOC & SOH

State of Charge & Health

Voltage/Current

Real-time readings

Temperature

Cell/module temps

Fault Codes

Diagnostic information

Insulation

Insulation resistance

Ensure CAN bus baud rate matches the vehicle network.

5. BMS Capabilities

A robust BMS is essential for safety and longevity. It should provide:

Cell voltage monitoring

Temperature monitoring

Current sensing

SOC & SOH estimation

Cell balancing (active/passive)

Over/under voltage protection

Overcurrent protection

Overtemperature protection

Crash monitoring

Insulation monitoring

6. Thermal Management and Protection

Given the liquid-cooled electric drive system, the battery pack should also be equipped with a liquid cooling/heating system to maintain optimal operating temperature. This prevents performance degradation in extreme climates and supports fast charging.

The battery pack must meet IP67 protection rating and use fire-resistant materials with arc suppression design. Pressure relief valves and thermal runaway propagation prevention should be included.

7. Mechanical and Installation Design

When designing the battery pack for van chassis installation, consider:

Weight distribution to maintain vehicle stability
Vibration resistance with proper mounting and damping
Maintainability for service and replacement access
HV isolation and EMC compliance

8. Safety and Certification

Ensure the battery system complies with relevant international and national standards:

EV Battery Safety UN38.3 Electrical Safety EMC Standards

9. Lifecycle and Maintenance

Aim for long design life with high cycle life at 80% DoD. Remote diagnostics, over-the-air updates, and maintenance reminders via CAN or telematics systems enhance usability.

Summary

A 339.2V 230Ah lithium-ion battery pack with CCS2, EVCC, and CAN communication is the ideal choice for Wuling Rongguang van electrification. By prioritizing voltage compatibility, safe charging, robust communication, and thermal management, you'll ensure a reliable, efficient, and future-proof electric drive system.

Ready to Power Your Wuling Rongguang EV Conversion?

Our battery system specialists can help you select the perfect 339.2V 230Ah CCS2 battery pack for your Wuling Rongguang van project. Get expert advice on compatibility, integration, and performance optimization.

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Frequently Asked Questions

What is the expected range for a Wuling Rongguang with this battery?

With a 78kWh battery pack, the Wuling Rongguang van can achieve approximately 200-250 km (124-155 miles) of urban range, 180-220 km (112-137 miles) in mixed driving, and 150-180 km (93-112 miles) on highways. Actual range depends on load, driving style, terrain, and weather conditions.

How long does charging take with CCS2?

With a 50kW DC fast charger, you can charge from 20% to 80% in approximately 60-75 minutes. With a 150kW charger (if the battery supports it), this time reduces to 25-35 minutes. AC charging at 11kW typically takes 7-8 hours for a full charge, ideal for overnight charging.

What's the weight of a 78kWh battery pack for a van conversion?

An LFP-based 78kWh battery pack typically weighs 500-650kg, while an NMC pack of the same energy weighs approximately 400-500kg. Weight distribution is critical—placement should maintain the van's center of gravity and handling characteristics. Consider upgrading springs or suspension if needed.

Can this battery system support fast charging while driving?

No, charging only occurs when the vehicle is stationary and connected to a charging station. The CCS2 system manages communication between the battery and charger to ensure safe, efficient charging based on battery temperature, SOC, and charger capability.

What maintenance does this battery system require?

The battery system is designed for minimal maintenance. Regular checks include: visual inspection for damage, ensuring cooling system fluid levels are correct (for liquid-cooled packs), keeping terminals clean, and monitoring BMS data for any warnings. The BMS performs automatic cell balancing to maintain pack health.

About Kevin Wang

Dr. Kevin Wang, Managing Director and CEO of the Green Motor Technology Co., Ltd. (GMT), has accumulated nearly twenty years of work experience in the electric vehicles (EVs) and EV components industry in China. Kevin has abundant hands on experience of facilitating overseas customers to select the right EV components for conversion and help customers save a great number of cost by retrofitting from the existing combustion engine vehicles to battery powered electric vehicles. Under his leadership, GMT has developed more than 1000 customers across 130 countries and regions over the globe. Kevin obtained his Master of Business Administration degree from the University of Minnesota USA in 2006 and had earned his Doctorate of Business Administration Degree from EMLYON Business School France in 2021.

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