---
product_id: 66542334
title: "Bosch S4021 - car battery - 45A/h - 330A - lead-acid technology - for vehicles without Start/Stop system"
brand: "bosch"
price: "R4920"
currency: ZAR
in_stock: true
reviews_count: 13
category: "Bosch"
url: https://www.desertcart.co.za/products/66542334-bosch-s4021-car-battery-45a-h-330a-lead-acid-technology
store_origin: ZA
region: South Africa
---

# 45A/h power capacity Compact 238x129x227 mm size 330A cold cranking amps Bosch S4021 - car battery - 45A/h - 330A - lead-acid technology - for vehicles without Start/Stop system

**Brand:** bosch
**Price:** R4920
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your drive with Bosch reliability—because your car deserves the best!

## Quick Answers

- **What is this?** Bosch S4021 - car battery - 45A/h - 330A - lead-acid technology - for vehicles without Start/Stop system by bosch
- **How much does it cost?** R4920 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/66542334-bosch-s4021-car-battery-45a-h-330a-lead-acid-technology)

## Best For

- bosch enthusiasts

## Why This Product

- Trusted bosch brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ergonomic Handling:** Built-in robust handles make installation and transport effortless.
- • **Eco-Conscious Choice:** Highly recyclable lead-acid tech supports sustainable battery lifecycle.
- • **Reliable Power Boost:** 45 Amp-hour capacity ensures your vehicle starts strong every time.
- • **Perfect Fit Guarantee:** Use your vehicle ID to confirm seamless compatibility—no guesswork.
- • **High Cold Cranking Amps:** 330A delivers dependable ignition even in chilly conditions.

## Overview

The Bosch S4021 is a 12V lead-acid car battery delivering 45Ah capacity and 330A cold cranking amps, designed specifically for vehicles without Start/Stop systems. Compact and easy to handle with robust carrying handles, it ensures reliable starts and fits perfectly when verified via vehicle ID. Highly recyclable and backed by Bosch’s trusted quality, it’s the smart, eco-friendly choice for dependable automotive power.

## Description

From the brand Bosch Mobility Aftermarket Visit the store Bosch Mobility Aftermarket Visit the store

Review: Awesome Battery. way better pricing than buying offline - arrived promptly and so fast. I installed and was able to get my car started and get going. thank you
Review: Works well in Mitsubushi PHEV - Bought this as replacement aux battery for Mitsubishi Phev. Easy fit . Works well. Just beware that it's lead acid and take care (re-) fitting the breather tube.

## Features

- Performance: 45A/h - 330A - 12V / Dimensions: 238 x 129 x 227 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
- Highly recyclable: Old car batteries can be efficiently turned into new batteries, so we encourage you to dispose of them properly after use
- We are here to help: In case further information about this battery is needed, please reach out via the desertcart Customer Questions and Answers section, and our dedicated team will assist you

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005XVTZ2U |
| Amperage | 45 Amps |
| Batteries | 1 Unknown batteries required. (included) |
| Best Sellers Rank | 61,843 in Automotive ( See Top 100 in Automotive ) 215 in Car Batteries |
| Brand | Bosch |
| Customer Reviews | 4.4 4.4 out of 5 stars (496) |
| Date First Available | 11 Sept. 2012 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Item Weight | 11.4 kg |
| Item model number | 0092S40210 |
| Manufacturer | Bosch |
| Manufacturer part number | 0092S40210 |
| Model | 0092S40210 |
| OEM Part Number | 057 532 28 |
| Position | Unknown |
| Product Dimensions | 12.9 x 22.7 x 23.8 cm; 11.43 kg |

## Product Details

- **Battery capacity:** 45 Amp Hours
- **Battery cell composition:** Lead Acid
- **Brand:** Bosch
- **Item weight:** 11.43 Kilograms
- **Number of cells:** 6
- **Resistance:** 36.36 Milliohms
- **Size:** 238 x 129 x 227 mm
- **Terminal:** SAE Terminal
- **Vehicle service type:** Passenger Car
- **Voltage:** 12 Volts

## Images

![Bosch S4021 - car battery - 45A/h - 330A - lead-acid technology - for vehicles without Start/Stop system - Image 1](https://m.media-amazon.com/images/I/719XD-aupoL.jpg)
![Bosch S4021 - car battery - 45A/h - 330A - lead-acid technology - for vehicles without Start/Stop system - Image 2](https://m.media-amazon.com/images/I/71DaM66gEFL.jpg)
![Bosch S4021 - car battery - 45A/h - 330A - lead-acid technology - for vehicles without Start/Stop system - Image 3](https://m.media-amazon.com/images/I/71EFW2zfFEL.jpg)
![Bosch S4021 - car battery - 45A/h - 330A - lead-acid technology - for vehicles without Start/Stop system - Image 4](https://m.media-amazon.com/images/I/71FBXRBzuuL.jpg)
![Bosch S4021 - car battery - 45A/h - 330A - lead-acid technology - for vehicles without Start/Stop system - Image 5](https://m.media-amazon.com/images/I/71aYatprggL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Awesome Battery. way better pricing than buying offline
*by S***Y on 25 August 2024*

arrived promptly and so fast. I installed and was able to get my car started and get going. thank you

### ⭐⭐⭐⭐⭐ Works well in Mitsubushi PHEV
*by B***Z on 27 April 2025*

Bought this as replacement aux battery for Mitsubishi Phev. Easy fit . Works well. Just beware that it's lead acid and take care (re-) fitting the breather tube.

### ⭐⭐⭐⭐⭐ Perfect
*by J***W on 25 October 2025*

Great fit on the Tesla model 3, easy to fit

## Frequently Bought Together

- Bosch S4021 - car battery - 45A/h - 330A - lead-acid technology - for vehicles without Start/Stop system - Type 044/053
- Bosch FR6LII330X - Spark Plugs Double Iridium - 1 piece
- Bosch P7077 - Oil Filter Car

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**Shop now:** [https://www.desertcart.co.za/products/66542334-bosch-s4021-car-battery-45a-h-330a-lead-acid-technology](https://www.desertcart.co.za/products/66542334-bosch-s4021-car-battery-45a-h-330a-lead-acid-technology)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-01*