Selecting the right battery for a Ford Focus C-Max manufactured between 2003 and 2007 is crucial to ensure reliable starts and proper functioning of all the vehicle’s electronic systems. This versatile compact MPV was offered with a variety of petrol and diesel engines, each with specific electrical requirements. Since this model does not feature Start-Stop technology, traditional lead-acid batteries are sufficient, but choosing one with the correct capacity, cold cranking current, and physical dimensions is essential.
For petrol engines, including the 1.6, 1.6 Ti, 1.8, 1.8 Flexifuel, and 2.0 versions, the recommended battery capacity is 60 to 62 Ah, with a cold cranking current between 540 and 600 A. This range provides enough power to start the engine reliably, even on colder days. Some examples of compatible batteries include Bosch S40 04, Bosch S50 04, Exide EA612, Exide EB602, Halfords HCB 075, Lucas LP075, Lucas LS075, Varta D21, and Varta D59. These are sample fitting models that meet the car’s requirements, and choosing a high-quality battery from a trusted brand ensures steady voltage supply for lighting, infotainment, and comfort systems.
The diesel variants require batteries with higher cranking power due to their higher compression engines. The 2.0 TDCi requires a battery rated at 71 to 74 Ah and capable of delivering 670 to 750 A. Example models include Bosch S40 07, Bosch S50 07, Exide EA722, Exide EB712, Lucas LP100, Lucas LS100, Varta E38, and Varta E43. For the 1.6 TDCi and 1.8 TDCi engines, an even more powerful battery is recommended, with a capacity of 80 to 88 Ah and a cold cranking current of 700 to 800 A. Suitable examples include Bosch S40 10, Bosch S50 10, Exide EA852, Exide EB802, Halfords HCB 110, Lucas LP110, Lucas LS110, Varta F17, and Varta F18. A strong battery is particularly important for diesel models because it not only ensures reliable cold starts but also helps supply power to pre-heating systems like glow plugs.
One unique consideration for the Ford Focus C-Max is that it requires a battery with a reduced height of 175 mm. This is an important detail because a standard-size battery might not fit properly under the hood or could interfere with the battery cover. A battery that is too tall can even create safety risks or make it impossible to secure the hold-down bracket correctly. Before purchasing a replacement, it is a good idea to double-check the dimensions in addition to the electrical specifications.
Regular maintenance of the battery can extend its lifespan and prevent unexpected starting issues. Cleaning the terminals, ensuring the connections are tight, and occasionally checking the charge level are simple steps that can make a big difference. For drivers who use their Focus C-Max primarily for short trips, a trickle charger or battery maintainer can be helpful because frequent short journeys do not allow the alternator to fully recharge the battery. This is especially true for diesel engines, which place higher demands on the electrical system during starting.
An interesting fact about the Focus C-Max is that, despite being a compact MPV, it was engineered with a strong electrical system to support various comfort features, from heated mirrors to rear electric windows. A well-matched battery ensures that these systems operate smoothly without voltage drops. By choosing a battery that meets the recommended capacity, cold cranking current, and height requirements, owners can enjoy worry-free operation of their vehicle, confident that it will start reliably in all seasons. With the correct battery and proper care, the Focus C-Max remains a dependable family car that combines practicality with comfort.
Ford Focus C-Max was produced in the years 2003 – 2007. Below we present the specifications of batteries suitable for specific engines.
Basic parameters of batteries suitable for Ford Focus C-Max (2003-2007):
| Layout | Terminal types | Base hold-down |
|---|---|---|
| 0 – positive on the right side | 1 | B13 |
Ford Focus C-Max – petrol engines:
- 1.6
- 1.6 Ti
- 1.8
- 1.8 Flexifuel
- 2.0
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S4 S40 04 | 60 Ah 540 A | 242x175x175 mm | More |
| Bosch S5 S50 04 | 61 Ah 600 A | 242x175x175 mm | More |
| Exide Excell EB602 | 60 Ah 540 A | 242x175x175 mm | More |
| Exide Premium EA612 | 61 Ah 600 A | 242x175x175 mm | More |
| Halfords Standard HCB 075 | 60 Ah 550 A | 242x175x175 mm | More |
| Lucas Premium LP075 | 60 Ah 540 A | 243x175x175 mm | More |
| Lucas Supreme LS075 | 62 Ah 600 A | 242x175x175 mm | More |
| Varta Blue Dynamic D59 | 60 Ah 540 A | 242x175x175 mm | More |
| Varta Silver Dynamic D21 | 61 Ah 600 A | 242x175x175 mm | More |
For the Ford Focus C-Max models produced between 2003 and 2007 with petrol engines, specifically the 1.6 (without Start-Stop), 1.6 Ti (without Start-Stop), 1.8 (without Start-Stop), 1.8 Flexifuel (without Start-Stop), and 2.0 (without Start-Stop), selecting the correct battery is essential for reliable operation and optimal performance. These engines are not equipped with Start-Stop systems, which means they require standard lead-acid batteries rather than enhanced EFB or AGM types. The recommended batteries for these engines generally have dimensions of approximately 242 mm in length, 175 mm in width, and 175 mm in height, with terminal layout 0 (positive terminal on the right) and standard B13 terminals for easy installation.
Among the most suitable options are batteries from reputable manufacturers such as Bosch, Varta, Exide, Halfords, and Lucas. For example, Bosch S4 (S40 04) and S5 (S50 04) series batteries, with capacities of 60 Ah and 61 Ah respectively, provide cold cranking amps (CCA) of 540 A and 600 A, ensuring confident starts in various weather conditions. Varta offers the Blue Dynamic D59 (60 Ah, 540 A) and Silver Dynamic D21 (61 Ah, 600 A), both of which match the original specifications for these engines. Exide’s Premium EA612 and Excell EB602 also fit perfectly, offering high starting power and reliability.
Additional alternatives include the Halfords Standard HCB 075 (60 Ah, 550 A), Lucas Supreme LS075 (62 Ah, 600 A), and Lucas Premium LP075 (60 Ah, 540 A), all designed to match the physical and electrical requirements of the specified Ford Focus C-Max engines. Opting for any of these batteries guarantees compatibility with the vehicle’s mounting system (B13), ensures strong starting performance, and maintains electrical stability for everyday driving needs.
Ford Focus C-Max – diesel engines:
- 2.0 TDCi
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S4 S40 07 | 72 Ah 680 A | 278x175x175 mm | More |
| Bosch S5 S50 07 | 74 Ah 750 A | 278x175x175 mm | More |
| Exide Excell EB712 | 71 Ah 670 A | 278x175x175 mm | More |
| Exide Premium EA722 | 72 Ah 720 A | 278x175x175 mm | More |
| Lucas Premium LP100 | 72 Ah 680 A | 278x175x175 mm | More |
| Lucas Supreme LS100 | 74 Ah 750 A | 278x175x175 mm | More |
| Varta Blue Dynamic E43 | 72 Ah 680 A | 278x175x175 mm | More |
| Varta Silver Dynamic E38 | 74 Ah 750 A | 278x175x175 mm | More |
For the Ford Focus C-Max equipped with the 2.0 TDCi diesel engine, produced between 2003 and 2007 and not featuring a Start-Stop system, selecting a battery with a higher capacity and cold cranking performance is particularly important. Diesel engines require more starting power due to their higher compression ratios, so batteries designed for these engines typically offer increased amp-hour ratings and cold cranking amps compared to their petrol counterparts. The recommended batteries for the 2.0 TDCi have dimensions of around 278 mm in length, 175 mm in width, and 175 mm in height, with a terminal layout of 0 (positive terminal on the right) and standard B13 post type, ensuring easy and secure installation in the engine bay.
Suitable options include well-known brands such as Bosch, Varta, Exide, and Lucas, each offering batteries that meet or exceed the original equipment specifications for this diesel variant. Bosch’s S4 (S40 07) and S5 (S50 07) series provide capacities of 72 Ah and 74 Ah with cold cranking amps of 680 A and 750 A, respectively, delivering robust and reliable starting even in colder climates. Varta’s Blue Dynamic E43 (72 Ah, 680 A) and Silver Dynamic E38 (74 Ah, 750 A) are excellent alternatives, known for their durability and consistent performance over time.
Exide offers the Premium EA722 (72 Ah, 720 A) and Excell EB712 (71 Ah, 670 A), both of which are engineered to handle the power demands of modern diesel engines and electrical systems found in the Focus C-Max. Lucas also provides reliable choices such as the Supreme LS100 (74 Ah, 750 A) and Premium LP100 (72 Ah, 680 A), matching the required specifications and ensuring dependable operation. All these batteries are of the standard lead-acid type, suitable for vehicles without Start-Stop, and are designed to fit the B13 mounting system, ensuring straightforward replacement and long-term reliability for the 2.0 TDCi diesel engine.
Ford Focus C-Max – diesel engines:
- 1.6 TDCi
- 1.8 TDCi
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S4 S40 10 | 80 Ah 740 A | 315x175x175 mm | More |
| Bosch S5 S50 10 | 85 Ah 800 A | 315x175x175 mm | More |
| Exide Excell EB802 | 80 Ah 700 A | 315x175x175 mm | More |
| Exide Premium EA852 | 85 Ah 800 A | 315x175x175 mm | More |
| Halfords Standard HCB 110 | 80 Ah 760 A | 315x175x175 mm | More |
| Lucas Premium LP110 | 80 Ah 800 A | 317x175x175 mm | More |
| Lucas Supreme LS110 | 88 Ah 800 A | 317x175x175 mm | More |
| Varta Blue Dynamic F17 | 80 Ah 740 A | 315x175x175 mm | More |
| Varta Silver Dynamic F18 | 85 Ah 800 A | 315x175x175 mm | More |
For the Ford Focus C-Max models produced from 2003 to 2007 with the 1.6 TDCi and 1.8 TDCi diesel engines (without Start-Stop), it is essential to select a battery that meets the higher demands of diesel starting while matching the specific dimensions and terminal layout required by these vehicles. Both the 1.6 TDCi and 1.8 TDCi engines require standard lead-acid batteries due to the absence of a Start-Stop system, and they benefit from batteries with larger capacities and higher cold cranking amps to ensure reliable operation, especially during cold weather.
The most compatible batteries for these diesel variants generally feature a length of 315–317 mm, width of 175 mm, and height of 175 mm, with the terminal layout 0 (positive terminal on the right) and standard B13 post type. This configuration guarantees proper fitment in the battery tray and secure electrical connection. Leading manufacturers such as Bosch, Varta, Exide, Halfords, and Lucas offer several models that meet or exceed the original equipment specifications for the 1.6 TDCi and 1.8 TDCi engines. Notable examples include Bosch S4 S40 10 (80 Ah, 740 A) and S5 S50 10 (85 Ah, 800 A), both providing excellent starting power and durability for frequent use.
Varta’s Blue Dynamic F17 (80 Ah, 740 A) and Silver Dynamic F18 (85 Ah, 800 A) are also highly recommended, delivering consistent performance and robust cold cranking capability. Exide offers the Excell EB802 (80 Ah, 700 A) and Premium EA852 (85 Ah, 800 A), both engineered for the increased electrical demands of diesel engines. Additionally, Halfords Standard HCB 110 (80 Ah, 760 A), Lucas Supreme LS110 (88 Ah, 800 A), and Lucas Premium LP110 (80 Ah, 800 A) provide further reliable alternatives, all featuring the appropriate size and electrical characteristics. Choosing any of these batteries ensures a secure fit, dependable cold starts, and stable power supply to support the electrical systems of the 1.6 TDCi and 1.8 TDCi Ford Focus C-Max models without Start-Stop systems.
If you’re still unsure which battery fits your Ford Focus C-Max , 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!