Today's Best Deals
Best Car Battery of 2026
We compared 306 car battery listings on Amazon UK and ranked the 10 best deals available right now, with prices starting from £42.12. Rankings reflect real customer ratings and current prices.
Bosch S5A11 Car Battery 80A / h-800A
- Compatibility matters: Input your vehicle identification number into the search function at the top of this page to check the compatibility - For cars with a Start/Stop system and recuperation
- A durable, high-performance battery: Designed to prevent acid stratification and maintain its charge over time, it also ensures a high amount of charge and discharge cycles for long-term use
- Reliable even during short trips, stop-and-go traffic and cold weather: The absorbed acid in the microfibre-glass mats helps the battery deliver a steady supply of high energy when you most need it
Amazon
Bosch S4002 - car battery - 52A/h - 470A - lead-acid technology - for vehicles without Start/Stop system
- Performance: 52A/h - 470A - 12V / Dimensions: 207 x 175 x 190 mm / Polarity: left - right +
- Compatibility matters: Input your vehicle identification number into the search function at the top of this page to verify if the battery is right for your car - For cars without a Start/Stop system
- Safe installation and transportation: Equipped with robust handles, the battery is easy to carry - When installing the battery, refer to the instructions and seek professional help when needed
Yuasa YBX9019 12V 95Ah 850CCA AGM Start Stop Car Battery
- SPECIFICATIONS: 12V AGM (Absorbed Glass Mat) High performance Battery; Capacity: 95 Ah; Startup Power (CCA): 850 Amps; Size (mm): 353 x 175 x 190; Weight (kg): 27; Brass terminals (Type 1) to enhance conductivity and optimise overall battery performance.
- UP TO 360,000 ENGINE STARTS: Built to last, the Yuasa YBX9019 offers up to 360,000 engine starts, ensuring long-lasting reliability for modern vehicles.
- ENHANCED CHARGE ACCEPTANCE: Designed to provide excellent charge acceptance and faster recovery, the YBX9019 supports the high energy demands of modern vehicles, enhancing overall efficiency and performance.
Bosch S5A08 Car Battery 70A / h-760A
- Compatibility matters: Input your vehicle identification number into the search function at the top of this page to check the compatibility - For cars with a Start/Stop system and recuperation
- A durable, high-performance battery: Designed to prevent acid stratification and maintain its charge over time, it also ensures a high amount of charge and discharge cycles for long-term use
- Reliable even during short trips, stop-and-go traffic and cold weather: The absorbed acid in the microfibre-glass mats helps the battery deliver a steady supply of high energy when you most need it
Amazon
Bosch S5A13 - car battery - 95A/h - 850A - AGM technology - adapted for vehicles with Start/Stop system
- Performance: 95A/h - 850A - 12V / Dimensions: 353 x 175 x 190 mm / Polarity: left - right +
- Compatibility matters: Input your vehicle identification number into the search function at the top of this page to check the compatibility - For cars with a Start/Stop system and recuperation
- A durable, high-performance battery: Designed to prevent acid stratification and maintain its charge over time, it also ensures a high amount of charge and discharge cycles for long-term use
Amazon
12V 60Ah 640CCA Exide EL600 Stop Start EFB Car Battery - 3 Years Warranty
- Voltage: 12V / Capacity: 60AH / Cold Cranking Amps (CCA): 640 A (EN)
- Dimensions: Length: 242mm / Width: 175mm / Height: 190mm (Height is including Terminals) / Terminal Layout: 0 / Base Hold Down: B13
- EXIDE Start-Stop EFB (Enhanced Flooded Battery) (Made In Europe)
Amazon
Bosch S5005 - car battery - 63A/h - 610A - lead-acid technology - for vehicles without Start/Stop system
- Performance: 63A/h - 610A - 12V / Dimensions: 242 x 175 x 190 mm / Polarity: left - right +
- Compatibility matters: Input your vehicle identification number into the search function at the top of this page to verify if the battery is right for your car - For cars without a Start/Stop system
- Excellent starting power and reliability: Finding an energy source for cars with high electrical needs is made easy thanks to its high performance
Amazon
We scan the most relevant car battery listings on Amazon UK, covering major brands and models, and shortlist the strongest offers available right now.
Rankings for today's best car battery reflect real Amazon customer star ratings and review counts, together with current prices, so the list shows what's actually available.
What we concluded:
Our overall winner is Bosch S5A11 Car Battery 80A / h-800A. It stands out for the right balance of quality, performance, and value.
What sets it apart:
- Compatibility matters: Input your vehicle identification number into the search function at the top of this page to check the compatibility - For cars with a Start/Stop system and recuperation
- A durable, high-performance battery: Designed to prevent acid stratification and maintain its charge over time, it also ensures a high amount of charge and discharge cycles for long-term use
- Reliable even during short trips, stop-and-go traffic and cold weather: The absorbed acid in the microfibre-glass mats helps the battery deliver a steady supply of high energy when you most need it
The best value for most shoppers is Varta Blue Dynamic B18 Car Battery 58344, 12V, 44 Ah, 440 A, the lowest-priced pick in our top 10 at £42.12.
The strongest deal right now is Yuasa YBX9019 12V 95Ah 850CCA AGM Start Stop Car Battery. It offers premium features at a competitive price point.
How to Choose the Best Car Battery
Check Start/Stop and energy recuperation requirements
Vehicles with Start/Stop systems require specialized construction to handle repeated charge cycles. Models like the Bosch S5A11 (80 Ah) and Bosch S5A08 (70 Ah) use microfibre-glass mats with absorbed acid to prevent acid stratification during stop-and-go driving. Standard lead-acid units like the Bosch S4002 or Bosch S4001 are explicitly designed for cars without Start/Stop systems and will not support recuperation cycles.
Match cold cranking amps to starting demands
Cold Cranking Amps (CCA) dictate how much power a battery delivers during cold weather starts. The Exide Premium EA770 delivers 760 CCA, while the Exide Eb740 provides 680 CCA and the Exide EA640 yields 640 CCA. Lower capacity options like the Exide Eb500 produce 450 CCA, whereas the Bosch S4001 provides 440A for lighter engine demands.
Verify physical dimensions and terminal layouts
Physical space in your engine tray limits which battery can fit. The Bosch S4024 measures 232 x 173 x 225 mm, while the Bosch S4002 uses a smaller footprint of 207 x 175 x 190 mm. Terminal positions also matter, as seen with the Varta Blue Dynamic B18 which features post position 0 alongside its 44 Ah rating.
Balance total ampere-hour capacity with power draw
Ampere-hour ratings dictate energy reserves when the engine is off. The Bosch S5A11 provides 80 Ah and the Exide Premium EA770 offers 77 Ah for heavy power usage. In contrast, the 50 Ah Exide Eb500 and 44 Ah Bosch S4001 supply smaller energy reserves suitable for cars with lower electrical demands.
Buying Guide & FAQ
What is the best car battery deal right now?
Our current top-ranked deal is the Bosch S5A11 Car Battery 80A / h-800A at £136.88.
What is the price range for car battery?
Across our top 10 picks, prices currently range from £42.12 to £167.99 on Amazon UK.
Which car battery is suitable for vehicles with Start/Stop systems?
The Bosch S5A11 (80 Ah, 800A) and Bosch S5A08 (70 Ah, 760A) are designed for cars with Start/Stop technology and energy recuperation. Their microfibre-glass mats with absorbed acid help maintain charge during frequent stop-and-go driving.
Can I install the Bosch S4002 in a vehicle with a Start/Stop system?
No, the Bosch S4002 is specifically built for vehicles without a Start/Stop system. If your car uses Start/Stop and recuperation, select a compatible model such as the Bosch S5A08 or Bosch S5A11.
How do Exide EA770 and Exide EA640 differ in performance?
The Exide Premium EA770 has a 77 Ah capacity and 760 CCA output. The Exide EA640 offers a lower 64 Ah capacity and 640 CCA output, which suits vehicles with lower cranking requirements.
What are the dimensions and polarity of the Bosch S4024 car battery?
The Bosch S4024 measures 232 x 173 x 225 mm. It features lead-acid technology with a left negative and right positive polarity layout.
Which options are available for 44 Ah car battery capacity?
The Varta Blue Dynamic B18 and Bosch S4001 both feature 44 Ah capacity and 440A output for cars without Start/Stop systems. The Bosch S4001 includes handles for transport and is designed to be recyclable.