Audi A4 B9 (2015-2023) – batteries




Audi A4 in version B9 was produced in the years 2015 – 2023. The following table presents information about batteries that match each of the engines available on the market.

Basic parameters of batteries suitable for Audi A4 (2015-2023):

LayoutTerminal typesBase hold-down
0 – positive on the right side1B13

Audi A4 B9 – petrol engines:
  • 1.4 TFSI (110 kW) – with Start-Stop
  • 2.0 TFSI Mild Hybrid (185 kW) – with Start-Stop
  • 35 TFSI Mild Hybrid (110 kW) – with Start-Stop
  • 40 TFSI Mild Hybrid (140 kW) – with Start-Stop
  • 45 TFSI Mild Hybrid (180 kW) – with Start-Stop
  • Avant 2.0 TFSI g-tron (125 kW) – with Start-Stop

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S5 AGM
S5A 08
70 Ah
760 A
278x175x190 mmMore
Exide AGM
EK700
70 Ah
760 A
278x175x190 mmMore
Exide AGM
EK720
72 Ah
760 A
278x175x190 mmMore
Halfords Advanced
AGM 096
70 Ah
760 A
278x175x190 mmMore
Halfords Standard
AGM 096
70 Ah
720 A
278x175x190 mmMore
Lucas Fusion AGM
LF096
70 Ah
760 A
278x175x190 mmMore
Varta Silver Dynamic AGM
E39
70 Ah
760 A
278x175x190 mmMore
When replacing the battery in a Audi A4 B9 with 1.4 TFSI (110 kW), 2.0 TFSI Mild Hybrid (185 kW), 35 TFSI Mild Hybrid (110 kW), 40 TFSI Mild Hybrid (140 kW) gasoline engines and the others listed above, use an AGM battery. A regular lead-acid battery will quickly lose its performance because it will not work well with the start-stop system. Matching batteries have dimensions 278x175x190 mm. The parameters of these batteries are at least 70 Ah of a capacity and 720 A CCA (Cold Cranking Amps). All the batteries in the list above have a base hold-down B13.

Audi A4 B9 – petrol engines:
  • 2.0 TFSI (185 kW) – with Start-Stop
  • 2.0 TFSI Ultra (140 kW) – with Start-Stop
  • Avant RS4 2.9 TFSI (331 kW) – with Start-Stop

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S5 AGM
S5A 11
80 Ah
800 A
315x175x190 mmMore
Exide AGM
EK800
80 Ah
800 A
315x175x190 mmMore
Exide AGM
EK820
82 Ah
800 A
315x175x190 mmMore
Halfords Advanced
AGM 115
80 Ah
800 A
317x175x190 mmMore
Lucas Fusion AGM
LF115
80 Ah
800 A
315x175x190 mmMore
Varta Silver Dynamic AGM
F21
80 Ah
800 A
315x175x190 mmMore
The Audi A4 B9 gasoline engines mentioned above are equipped with a Start-Stop system, and in this case, it means there is a need to use batteries produced using AGM technology. The dimensions of batteries suitable for 2.0 TFSI (185 kW), 2.0 TFSI Ultra (140 kW) and Avant RS4 2.9 TFSI (331 kW) engines vary slightly among different manufacturers and are: 315x175x190 mm or 317x175x190 mm. The parameters of these batteries are at least 80 Ah of a capacity and 800 A CCA (Cold Cranking Amps). The base hold-down of the above batteries is B13.

Audi A4 B9 – petrol engines:
  • S4 3.0 TFSI (260 kW) – with Start-Stop

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S5 AGM
S5A 13
95 Ah
850 A
353x175x190 mmMore
Exide AGM
EK950
95 Ah
850 A
353x175x190 mmMore
Exide AGM
EK960
96 Ah
850 A
353x175x190 mmMore
Halfords Advanced
AGM 019
95 Ah
850 A
353x175x190 mmMore
Lucas Fusion AGM
LF017
95 Ah
850 A
353x175x190 mmMore
Varta Silver Dynamic AGM
G14
95 Ah
850 A
353x175x190 mmMore
Owning a Audi A4 B9 with a S4 3.0 TFSI (260 kW) engine and Start-Stop system means there is a need to use more expensive batteries made with AGM technology. Matching batteries have dimensions 353x175x190 mm. The parameters of these batteries are at least 95 Ah of a capacity and 850 A CCA (Cold Cranking Amps). All the batteries in the list above have a base hold-down B13.

Audi A4 B9 – diesel engines:
  • 30 TDI Mild Hybrid (100 kW) – with Start-Stop
  • 35 TDI Mild Hybrid (120 kW) – with Start-Stop
  • S4 TDI Mild Hybrid (255 kW) – with Start-Stop

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S5 AGM
S5A 08
70 Ah
760 A
278x175x190 mmMore
Exide AGM
EK700
70 Ah
760 A
278x175x190 mmMore
Exide AGM
EK720
72 Ah
760 A
278x175x190 mmMore
Halfords Advanced
AGM 096
70 Ah
760 A
278x175x190 mmMore
Halfords Standard
AGM 096
70 Ah
720 A
278x175x190 mmMore
Lucas Fusion AGM
LF096
70 Ah
760 A
278x175x190 mmMore
Varta Silver Dynamic AGM
E39
70 Ah
760 A
278x175x190 mmMore
The diesel engines of the Audi A4 B9 listed above have a Start-Stop system, and in this case, this means that we must use batteries produced in AGM technology. Batteries suitable for 30 TDI Mild Hybrid (100 kW), 35 TDI Mild Hybrid (120 kW) and S4 TDI Mild Hybrid (255 kW) engines have dimensions of 278x175x190 mm. The parameters of these batteries are at least 70 Ah of a capacity and 720 A CCA (Cold Cranking Amps). All the batteries in the list above have a base hold-down B13.

Audi A4 B9 – diesel engines:
  • 2.0 TDI (110 kW) – with Start-Stop
  • 2.0 TDI (140 kW) – with Start-Stop
  • 2.0 TDI (90 kW) – with Start-Stop
  • 3.0 TDI (160 kW) – with Start-Stop
  • 3.0 TDI (200 kW) – with Start-Stop
  • 30 TDI (90 kW) – with Start-Stop
  • 35 TDI (110 kW) – with Start-Stop
  • 40 TDI (140 kW) – with Start-Stop
  • 45 TDI (170 kW) – with Start-Stop
  • 50 TDI (210 kW) – with Start-Stop

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S5 AGM
S5A 11
80 Ah
800 A
315x175x190 mmMore
Exide AGM
EK800
80 Ah
800 A
315x175x190 mmMore
Exide AGM
EK820
82 Ah
800 A
315x175x190 mmMore
Halfords Advanced
AGM 115
80 Ah
800 A
317x175x190 mmMore
Lucas Fusion AGM
LF115
80 Ah
800 A
315x175x190 mmMore
Varta Silver Dynamic AGM
F21
80 Ah
800 A
315x175x190 mmMore
The diesel engines of the Audi A4 B9 listed above have a Start-Stop system, and in this case, this means that we must use batteries produced in AGM technology. Dimensions of matching batteries differ slightly depending on the manufacturer and are 315x175x190 mm or 317x175x190 mm. The parameters of these batteries are at least 80 Ah of a capacity and 800 A CCA (Cold Cranking Amps). The base hold-down of the above batteries is B13.
If you’re still unsure which battery fits your Audi A4 , or if you want to help others in their selection, please send us a photo of your current battery in the comment section at the bottom of the page. You can also send the picture to contact@whatbattery.co.uk (we will place it in the comments to also help other users). Be sure to specify the car model, year, type, as well as the engine capacity and power. We’ll do our best to assist you!

See also information about other cars of this manufacturer

Audi 100 C4 (1990-1994) battery
Audi 80 8C, B4 (1991-1996) battery
Audi 90 B3 (1987-1991) battery
Audi A1 8X1 (2010-) battery
Audi A1 Sportback 8XA (2011-) battery
Audi A2 8Z0 (2000-2005) battery
Audi A3 I (8L) (1996-2003) battery
Audi A3 II (8P) (2003-2013) battery
Audi A3 II (8P) Sportback (2004-2013) battery
Audi A3 III (8V) (2012-) battery
Audi A3 III (8V) Limousine (2012-) battery
Audi A3 III (8V) Sportback (2012-) battery
Audi A4 B5 (1994-2000) battery
Audi A4 B6 (2000-2004) battery
Audi A4 B7 (2004-2008) battery
Audi A4 B8 (2007-2015) battery
Audi A4 Allroad B8 (2009-) battery
Audi A5 8T (2007-2016) battery
Audi A6 C4 (1994-1997) battery
Audi A6 C5 (1997-2005) battery
Audi A6 C6 (2004-2011) battery
Audi A6 C7 (2011-) battery
Audi A6 Allroad C6 (2006-2011) battery
Audi A6 Allroad C7 (2012-) battery
Audi A7 (2010-) battery
Audi A8 I (D2) (1994-2002) battery
Audi A8 II (D3) (2002-2010) battery
Audi A8 III (D4) (2010-) battery
Audi Q2 (2016-2023) battery
Audi Q3 8U (2011-) battery
Audi Q5 I (8R) (2008-2017) battery
Audi Q7 I (4L) (2005-2015) battery
Audi Q7 II (4M) (2015-) battery
Audi TT I (8N3) (1998-2006) battery
Audi TT II (8J3) (2006-2014) battery


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