Battery: Maxus eD3 - dalathegreat/Battery-Emulator GitHub Wiki

[!CAUTION] Working with high voltage is dangerous. Always follow local laws and regulations regarding high voltage work. If you are unsure about the rules in your country, consult a licensed electrician for more information.

Battery general info

Maxus eDeliver 3. There are different battery models:

• 35kWh / 52.5kWh NCM by UABC "United Auto Battery System Co.,Ltd" (model year 2020, 2021)
• 50,2 kWh LFP by CATL "Contemporary Amperex Technology Co., Limited" (model year 2022+)

Battery overview

Left to right, Low voltage connector, service disconnect switch, high voltage connector

Low voltage wiring

Apart from the HV plug, the BMS has two plugs "A" and "B", A seems to be responsible for charging, B for everything else. Service manual wiring attached, (PT CAN = PowerTrain CAN):

Other BMS connections

The battery has an interlock on Connector B that needs to be shorted

How do I connect the battery to the Battery-Emulator?

TODO

• Connector B: Pin 3 to Pin 2 to satisfy interlock detection

High voltage wiring

Cable for heater?