Seat Leon 2 (2005-2012) – batteries


Selecting the right battery for the Seat Leon 2, produced between 2005 and 2012, involves more than just matching the size. Each engine version, from smaller petrol units to powerful diesel options, comes with specific electrical requirements that must be addressed for optimal performance. Additionally, whether the car is equipped with a start-stop system significantly influences the type of battery required, with conventional lead-acid batteries sufficient for most variants, while AGM batteries are necessary for others.

For petrol engines without the start-stop system—such as the 1.4 16V, 1.4 TSI, 1.6, and the high-performance 2.0 TFSI Cupra R—standard flooded lead-acid batteries are recommended. These vehicles generally require battery capacities ranging between 50 to 65 Ah and cold cranking amps from 420 to 640 A, depending on the engine. The battery must be reliable enough to support consistent starting power while also feeding the onboard electronics. Examples of compatible battery models include Bosch S40 05, Exide EB620, and Varta D15. These options are known for solid performance and good cold-start capabilities, especially important during winter months.

If you’re driving a 1.2 TSI model with the start-stop system, you’ll need to look for an AGM battery. These batteries are specially designed to handle the high number of cycles caused by frequent engine restarts in urban driving conditions. In this case, the required capacity lies around 60 to 62 Ah with a CCA rating between 640 and 680 A. Some of the suitable AGM models include Bosch S5A 05, Exide EK600, and Varta D52. AGM technology uses a glass mat to hold the acid, making the battery spill-proof and more vibration-resistant, which is an added benefit for long-term reliability.

When it comes to diesel versions without the start-stop feature, such as the 1.6 TDI, 1.9 TDI, and 2.0 TDI engines, a higher capacity battery is necessary to accommodate the greater demand from the glow plugs and higher compression engines. These models typically need 74 to 78 Ah batteries and a starting power between 680 and 780 A. Recommended standard battery models include Bosch S40 08, Exide EA770, and Varta E11. These batteries provide the strength needed to ensure dependable ignition, even when the temperatures drop below freezing.

For the 1.6 TDI with a start-stop system, the requirements are more demanding, both in terms of capacity and technology. The start-stop function increases the load on the battery, which makes an AGM type essential. A good match would be a 70 to 72 Ah AGM battery with at least 720 A CCA. Compatible examples include Bosch S5A 08, Exide EK720, and Varta E39. While AGM batteries are generally more expensive, their superior endurance and charging capabilities make them worth the investment for modern driving styles.

One interesting point about the Seat Leon 2 is that it shares its platform with other popular VW Group cars, such as the VW Golf Mk5 and Audi A3 8P. This means many parts—including battery trays—are similar, making it easier to find compatible replacements. However, always double-check terminal positions and battery length, width, and height to avoid compatibility issues.

It’s also good practice to consider your climate and driving habits when selecting a battery. If you frequently take short trips, opt for a battery with a higher reserve capacity to compensate for limited charging time. For colder regions, a battery with higher CCA is advised. In any case, choosing a reliable, quality battery brand ensures better durability and peace of mind on the road. Whether you’re replacing a conventional battery or upgrading to an AGM unit, models like those from Bosch, Exide, Lucas, or Varta offer trusted performance and compatibility with your Seat Leon 2.

Seat Leon in version 2 was produced in the years 2005 – 2012. Below we present the specifications of batteries suitable for specific engines.

Basic parameters of batteries suitable for Seat Leon (2005-2012):

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

Seat Leon 2 – petrol engines:
  • 1.4 16V
  • 1.4 TSI

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S4
S40 02
52 Ah
470 A
207x175x190 mmMore
Bosch S5
S50 02
54 Ah
530 A
207x175x190 mmMore
Exide Excell
EB500
50 Ah
450 A
207x175x190 mmMore
Exide Premium
EA530
53 Ah
540 A
207x175x190 mmMore
Halfords Standard
HCB 012
52 Ah
450 A
207x175x190 mmMore
Lucas Premium
LP079
50 Ah
420 A
210x175x190 mmMore
Varta Blue Dynamic
C22
52 Ah
470 A
207x175x190 mmMore
Varta Silver Dynamic
C30
54 Ah
530 A
207x175x190 mmMore
For Seat Leon 2 with 1.4 16V or 1.4 TSI petrol engines, we use batteries measuring 207x175x190 mm or 210x175x190 mm and with a capacity exceeding 47 Ah (ampere-hours). The weakest of these is the battery Lucas Premium LP079 which capacity is 50 Ah and Cold Cranking Amps is 420 A. The most powerful battery is Bosch S5 S50 02 of a capacity 54Ah and Cold Cranking Amps: 530 A. All of the above motors have a base hold-down B13.

Seat Leon 2 – petrol engines:
  • 1.6
  • 1.6 LPG
  • 1.8 TSI
  • 2.0 Cupra R
  • 2.0 FSI
  • 2.0 TFSI

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S4
S40 05
60 Ah
540 A
242x175x190 mmMore
Bosch S5
S50 05
63 Ah
610 A
242x175x190 mmMore
Exide Excell
EB620
62 Ah
540 A
242x175x190 mmMore
Exide Premium
EA640
64 Ah
640 A
242x175x190 mmMore
Halfords Standard
HCB 027
62 Ah
550 A
242x175x190 mmMore
Lucas Supreme
LS027
65 Ah
640 A
242x175x190 mmMore
Varta Blue Dynamic
D24
60 Ah
540 A
242x175x190 mmMore
Varta Silver Dynamic
D15
63 Ah
610 A
242x175x190 mmMore
For the 1.6, 1.6 LPG, 1.8 TSI petrol engines and others from the above list, we select batteries measuring 242x175x190 mm with a capacity exceeding 59 Ah. The weakest of these is the battery Bosch S4 S40 05 which capacity is 60 Ah and Cold Cranking Amps is 540 A. The most powerful battery is Lucas Supreme LS027 of a capacity 65Ah and Cold Cranking Amps: 640 A. All of the above motors have a base hold-down B13.

Seat Leon 2 – petrol engines:
  • 1.2 TSI – with Start-Stop

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S5 AGM
S5A 05
60 Ah
680 A
242x175x190 mmMore
Exide AGM
EK600
60 Ah
680 A
242x175x190 mmMore
Exide AGM
EK620
62 Ah
680 A
242x175x190 mmMore
Halfords Advanced
AGM 027
60 Ah
640 A
243x175x190 mmMore
Lucas Fusion AGM
LF027
60 Ah
680 A
242x175x190 mmMore
Varta Silver Dynamic AGM
D52
60 Ah
680 A
242x175x190 mmMore
Owning a Seat Leon 2 with a 1.2 TSI engine and Start-Stop system means there is a need to use more expensive batteries made with AGM technology. Dimensions of matching batteries differ slightly depending on the manufacturer and are 242x175x190 mm or 243x175x190 mm. The parameters of these batteries are at least 60 Ah of a capacity and 640 A CCA (Cold Cranking Amps). All the batteries in the list above have a base hold-down B13.

Seat Leon 2 – diesel engines:
  • 1.6 TDI
  • 1.9 TDI
  • 2.0 TDI
  • 2.0 TDI 16V

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S4
S40 08
74 Ah
680 A
278x175x190 mmMore
Bosch S5
S50 08
77 Ah
780 A
278x175x190 mmMore
Exide Excell
EB740
74 Ah
680 A
278x175x190 mmMore
Exide Premium
EA770
77 Ah
760 A
278x175x190 mmMore
Halfords Standard
HCB 096
76 Ah
680 A
278x175x190 mmMore
Lucas Premium
LP096
75 Ah
680 A
278x175x190 mmMore
Lucas Supreme
LS096
78 Ah
780 A
278x175x190 mmMore
Varta Blue Dynamic
E11
74 Ah
680 A
278x175x190 mmMore
Varta Silver Dynamic
E44
77 Ah
780 A
278x175x190 mmMore
The Seat Leon 2 with diesel engines 1.6 TDI, 1.9 TDI, 2.0 TDI, and the others mentioned above, should be equipped with a battery sized 276x175x190 mm or 278x175x190 mm, with a minimum capacity of 71 Ah. The most basic battery of this set is Bosch S4 S40 08 of a capacity 74Ah and 680A Cold Cranking Amps, the battery with the biggest capacity is Lucas Supreme LS096 of a capacity 78 Ah, having 780A Cold Cranking Amps. All of the above motors have a base hold-down B13.

Seat Leon 2 – diesel engines:
  • 1.6 TDI – 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 Standard
AGM 096
70 Ah
720 A
278x175x190 mmMore
Halfords Advanced
AGM 096
70 Ah
760 A
278x175x190 mmMore
Lucas Fusion AGM
LF096
70 Ah
760 A
278x175x190 mmMore
Varta Silver Dynamic AGM
E39
70 Ah
760 A
278x175x190 mmMore
Owning a Seat Leon 2 with a 1.6 TDI engine and Start-Stop system means there is a need to use more expensive batteries made with AGM technology. 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). The base hold-down of the above batteries is B13.
If you’re still unsure which battery fits your Seat Leon , 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

Seat Alhambra 1 (1996-2010) battery
Seat Alhambra 2 (2010-) battery
Seat Altea (2004-2015) battery
Seat Altea XL (2006-2015) battery
Seat Arosa (1997-2005) battery
Seat Cordoba I (1993-1999) battery
Seat Cordoba I FL (1999-2002) battery
Seat Cordoba II (2002-2010) battery
Seat Exeo (2008-2013) battery
Seat Ibiza 1 (021A) (1984-1993) battery
Seat Ibiza 2 (6K) (1993-1999) battery
Seat Ibiza 2 (6K2) (1999-2002) battery
Seat Ibiza 3 (6L) (2002-2009) battery
Seat Ibiza 4 (6J) (2008-2017) battery
Seat Leon 1 (1999-2006) battery
Seat Leon 3 (2012-) battery
Seat Mii (2011-) battery
Seat Toledo I (1991-1999) battery
Seat Toledo II (1999-2004) battery
Seat Toledo III (2004-2009) battery
Seat Toledo IV (2012-) battery


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