Audi Q4 e-tron battery

Audi Q4 e-tron have two different variants of the battery

The drive portfolio of the two compact electric models lives up to the expectations of very different groups of customers – from the urban commuter to the long-distance driver. It includes two battery variants and three drive variants. The compact battery for the Q4 35 e-tron has a net energy content of 52 kWh (55 kWh gross), while the figures for the large battery in the Q4 40 e-tron and Q4 50 e-tron quattro are 77 (82) kWh.

Battery cells

The battery cells in the Audi Q4 models are produced by LG Chem

Spec value
Manufacturer LG Chem
Model LGX E78
Voltage 3,65 V
Capacity 78 Ah
Weight 1.073 g
Gravimetric energy density 265 Wh/kg
Chemistry NCM 712

Battery Q4 35

The Q4 35 e-tron battery consist of 8 battery modules with 12 cells in each module.

Spec Value
Gross capacity 55 kWh
Usable capacity 52 kWh (94 %)
Modules 8
Cells 192
Cell pr modules 24
Cell configuration 96s2p
Voltage 350 V
Total cell weight 206 kg
TMS active liquid cooling
Pack weight 344kg
Q4 35 e-tron battery

Q4 35 e-tron battery

Battery Q4 40 e-tron and Q4 50 e-tron

Spec Value
Gross capacity 82 kWh
Usable capacity 77 kWh (94 %)
Modules 12
Cells 288
Cell pr modules 24
Cell configuration 96s3p
Voltage 350 V
Total cell weight 309 kg
TMS active liquid cooling
Pack weight 493kg
Pack density wH/kg 166
Q4 35 e-tron battery

Q4 40 e-tron / Q4 50 e-tron battery

Thermal management

Thermal management Audi Q4 e-tron

Thermal management Audi Q4 e-tron

Thermal management Audi Q4 e-tron

Cooling of the high-voltage battery via the chiller

Detail walkthrough of battery

Below you see Sandy Munro go in details about the Q4 battery.