Dacia Spring / Renault K-ZE ( CMFA-EV platform )

The Dacia Spring Electric (27.4kWh) / Renault K-ZE (26.8kWh), are both vehicles in the CMFA-EV platform.

There are also a fewChinese EVs that also share the same CMFA-EV battery platform, all the following models are compatible with the Battery-Emulator integration:

• Dacia Spring Electric (2021–present)
• Renault City K-ZE (2019–present)
• Dongfeng Aeolus EX1 (2019–2021)
• Dongfeng Fengxing T1 (2019–2021)
• Dongfeng Fengguang E1 (2019–2024)
• Dongfeng Nano Box (2022–2024)
• Venucia e30 (2019–2023)

These batteries have 72 cells in series, which creates an operating voltage of approximately 216 to 302VDC. Make sure the inverter you are planning to use is compatible with this voltage range!

Wiring diagram, Low Voltage

The battery contains a terminating resistor. The LV connector on the battery has the following pinout:

The pin numbering is engraved on the LV connector

Connect the battery to the Battery-Emulator according to this diagram:

12V power info: The preacharge+contactors consume 1,5A. The BMS itself uses 0,1A

Wiring, High voltage

The battery has a service disconnect switch:

The polarity of the High Voltage outputs can be seen here, Left is positive, Right is negative

Compiling the software

Enable the CMFA_EV_BATTERY option in USER_SETTINGS.h