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Home Battery Technology

Audi Battery packs and cells

A comprehensive overview

November 20, 2021
in Battery Technology
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Volkswagen and respective Audi uses battery cells from multiple vendors. Since e-tron held its world premiere, vendors have also changed. Audi e-tron battery packs come in two sizes currently. It is expected that a larger pack will be added to the 2023 model.

There is a total of 95kWh in the battery for the Audi e-tron 55/e-tron 60S, with a voltage of 396 volts. A total of 432 cells are contained in 36 modules of 12 cells each. Each module is connected in a 4p3s configuration.

As each cell has 60Ah, a parallel group consists of 240Ah. 4 x 60Ah = 240Ah. Using 36 modules like this in serial, the nominal voltage is 396 volts. 240ah * 396volts = 95 040 Watt-hours (Wh) or 95 kWh (kilowatt-hours)

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Modules operate at 11 Volts with 240 x 11 = 2640 Wh or 2.64 kWh of capacity. Each module weighs approximately 13kg.

Battery pack configuration

Audi model Cell type Cells Modules Voltage Cell config Gross cap
e-tron 55 LGXN2.1 432 36 396 108s4p 95 kWh
e-tron 55 Samsung SDI 432 36 396 108s4p 95 kWh
e-tron 50 Samsung SDI 324 27 396 108s3p 71 kWh
e-tron GT E66A 396 33 723 196s2p 93.4 kWh
RS e-tron GT E66A 396 33 723 196s2p 93.4kWh
Q4 e-tron 50 LGX E78 288 12 350 96s3p 82 kWh
Q4 e-tron 40 LGX E78 288 12 350 96s3p 82 kWh
Q4 e-tron 35 LGX E78 196 9 350 96s2p 55 kWh
Q6 e-tron LGX E78? 392? 16? 700? 192s2p? 110 kWh?
A6 e-tron LGX E78? 392? 16? 700? 192s2p? 110 kWh?
Battery model and configuration

Audi battery cells

  The following table lists the different electric Audi models and their cells. 

LG Chem: Prior to January 2021, the e-tron 55 used LG Chem E66A, a LG Chem Pouch Cell produced in Poland.

Samsung SDI: Samsung SDI cells have been used in the 71 kWh battery for Audi e-tron 50 since the beginning. Cells of the Samsung Prismatic type are manufactured by Samsung SDI in Budapest, Hungary. Samsung SDI batteries replaced the e-tron 55 battery cells as of January 2021.

Audi Model Cell Format Capacity Energy Density Chemistry
Audi e-tron 50 Samsung SDI Prismatic 60AH ? NCM 622
Audi e-tron 55 Samsung SDI Prismatic 60AH ? NCM 622
Audi e-tron 55 LG Chem LGX N2.1 Pouch 60AH 268 Wh/kg NCM 622
Audi Q4 e-tron LG Chem LGX E78 Pouch 78AH 265 Wh/kg NCM 712
Audi e-tron GT LG Chem E66A Pouch 64.6AH 263 Wh/kg NCM 712
Table of battery cell producer, battery type, format and chemistry
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Tags: AudiBattery cellse-tronLG ChemSamsung SDIVolkswagen battery supplier
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