Modern vehicles equipped with start-stop systems place exceptional cyclic demands on the battery, requiring a design that can withstand repeated deep discharge during engine-off phases whilst delivering reliable cold-start performance. The Bosch S5 A08 AGM Car Battery is engineered precisely for this application, providing a 12V, 70Ah power source rated at 760A CCA to meet the energy demands of advanced automotive electrical systems.
Bosch's AGM (Absorbent Glass Mat) technology binds the electrolyte within micro glass fibre mats, eliminating free acid and enabling the battery to accept regenerative braking charge currents far more efficiently than conventional flooded designs. This construction also ensures the cell remains sealed and maintenance-free throughout its service life, with no requirement for electrolyte topping up.
The S5 A08 measures 278mm × 175mm – 190mm (L × W × H) and weighs 20.09kg. It fits Type 096AGM battery positions, uses a Type 1 terminal configuration with standard positive polarity (Terminal Placement 0), and is secured via hold-down type B13. Cross-reference: 096AGM. This battery is confirmed compatible with start-stop, recuperation, and brake energy regeneration vehicle systems.
This product is also available in alternative capacities within the S5 A AGM range: S5A11, S5A13, and S5A15. Leisure AGM options LA008, LA009, LA010, and LA011 are stocked for non-automotive cyclic applications.
The Bosch S5 A08 is backed by a 3-year manufacturer warranty, providing assurance of long-term reliability in demanding start-stop environments.
Standard delivery: 1–3 working days within UK mainland. 30-day returns.
The Bosch S5 A battery with AGM technology provides sufficient energy for frequent stops and starts and reliably supplies the electronic consumers during the stop phase. AGM technology (Absorbent Glass Mat): acid bound in micro glass fibre mats allows higher energy masses to pass through. Longer life and up to 4 times higher cycle stability compared to conventional starter batteries. Constant power even during short trips, stop-and-go traffic or high consumption when stationary. Excellent charge absorption and starting power with a high number of electrical consumers. Absolutely maintenance-free and leak-proof.
Key Feature:
- Backed by 3-year warranty for reliable use and dependable performance.
- Product Group: 2600, BOSCH S5A AGM CAR BATTERY, purpose-built for dependable performance in the intended application.
- Engineered as a AGM Battery, delivering consistent, reliable operation in daily use.
- Manufactured by Bosch, a trusted name in automotive batteries, known for dependable quality.
- Weighs 20.1 kg (44.3 lb) balancing power and manageability for easier installation and handling.
- OEM-style fitment supports straightforward replacement and proper mounting.
- 12V system compatible with standard vehicle electrical requirements.
- Start stop suitable - Yes. Fitment to a Start stop vehicle is supported when matched to the correct specification.
Compatibility:
Suited for passenger cars, balancing reliable cold-cranking performance with long service life for daily use.
Uses:
- Restores dependable starting for vehicles that need consistent, everyday performance.
- Suited to AGM Battery applications, delivering steady operation in daily driving conditions.
- Supports stable power delivery for ignition, lighting, and onboard electronics.
- Performs reliably across short trips and longer runs where dependable restarts are essential.
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Fitment Warning:
You must check your current battery against the specifications of this battery before ordering to ensure that this is the correct battery for your vehicle. Check battery technology, dimensions, terminal type, polarity, capacity (AH) and cranking performance (CCA). We cannot guarantee correct fitment under any circumstances.