Bosch S4030 - car battery - 40A/h - 330A - lead-acid technology - for vehicles without Start/Stop system - Type 054H

Bosch S4030 Car Battery – 40 Ah / 330 A Lead‑Acid Power Solution

The Bosch S4030 is a high‑performance lead‑acid wet battery designed for vehicles that do not employ a Start/Stop system. With a robust 12‑volt output, it delivers reliable starting power and steady voltage to support all essential automotive electronics.

Key Technical Specifications

• Capacity: 40 Ah (ampere‑hours)
• Cold Cranking Amps (CCA): 330 A – sufficient for cold climates and heavy starter loads.
• Voltage: 12 V nominal, ideal for standard automotive electrical systems.
• Technology: Wet lead‑acid with advanced electrolyte formulation to reduce sulfation and extend service life.
• Type: S4 range – engineered for compact vehicles such as hatchbacks, sedans, and small SUVs.
• Dimensions: 187 mm × 127 mm × 227 mm (approx.) – fits the standard B19 battery tray.
• Weight: Approximately 12.5 kg – balanced for performance and handling.

Design Features That Enhance Reliability

The S4030 incorporates several design elements that set it apart from generic lead‑acid batteries:

• High‑density plates: Provide a larger surface area for electrochemical reactions, boosting current output.
• Optimized electrolyte concentration: Minimizes internal resistance and improves heat dissipation during high‑current draws.
• Robust separator material: Reduces the risk of short circuits while maintaining flexibility to accommodate thermal expansion.
• Pre‑sealed venting system: Allows safe release of gases under extreme conditions, protecting both battery and vehicle components.

Vehicle Compatibility Overview

The Bosch S4030 is engineered to fit a wide range of vehicles that use the standard 12‑volt electrical architecture. Below are representative models across several manufacturers:

• Hyundai: i10, i20, Elantra, Ioniq AE
• Kia: Picanto, K5, Sorento (certain trims)
• Toyota: Prius, Corolla, Camry, RAV4
• Nissan: Micra, Figaro, Sentra, Versa
• Suzuki: Swift, Baleno, Alto
• Honda: Jazz, Civic, CR‑Z
• Other brands: Mazda MX‑5, Perodua Myvi, Daihatsu Terios, AIXAM, and many more.

For precise fitment, consult the vehicle’s service manual or a qualified technician. The battery’s standard B19 shape ensures compatibility with most 12‑V automotive bays that do not require a Start/Stop system.

Installation Guidelines

1. Safety First: Disconnect the negative terminal before handling to prevent accidental short circuits.
2. Remove Old Battery: Use appropriate tools to detach clamps and secure the battery in a safe position.
3. Positioning: Place the S4030 in the tray, aligning terminals with the vehicle’s connectors.
4. Secure Connections: Tighten terminal clamps firmly but avoid over‑tightening to prevent damage.
5. Recheck Polarity: Verify that positive (+) and negative (−) terminals are correctly connected.
6. Final Check: Inspect for any loose parts or potential interference with moving components.

Maintenance Tips for Longevity

Although the S4030 is a sealed wet battery, routine checks can help maintain peak performance:

• Visual Inspection: Look for any signs of leakage, bulging, or corrosion on terminals.
• Terminal Cleanliness: Keep positive and negative clamps free from dirt and oxidation; apply a thin layer of anti‑corrosion spray if needed.
• Temperature Monitoring: Avoid exposing the battery to extreme heat or direct sunlight for prolonged periods.
• Periodic Testing: Use a multimeter to confirm voltage remains above 12.4 V when fully charged.

Performance Highlights

The Bosch S4030 delivers consistent power under demanding conditions:

• High CCA rating ensures reliable starts even in sub‑zero temperatures.
• Stable voltage output supports modern infotainment, navigation, and safety systems without flickering.
• Low internal resistance reduces energy loss during high‑current draws, extending overall battery life.

Why Choose Bosch S4030?

Choosing the Bosch S4030 means opting for a proven combination of durability, reliability, and performance. Its wet lead‑acid construction offers:

• Cost‑effective operation: Competitive price point relative to advanced AGM or lithium alternatives.
Long service life: Designed for up to four years of dependable use in typical automotive environments. Wide availability: Supported by a global network of technicians and spare parts suppliers.

Conclusion

The Bosch S4030 is an exemplary choice for drivers seeking a robust, high‑capacity battery that delivers dependable starting power and steady voltage support. Its 40 Ah capacity, 330 A CCA rating, and wet lead‑acid technology make it suitable for a broad spectrum of vehicles without Start/Stop systems. By following proper installation and maintenance practices, owners can enjoy reliable performance and extended service life from this trusted automotive component.