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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £19.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £19.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £7.99 | 3 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £7.99 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £7.99 | 7 to 10 working days |
Product Number: S4020
Variations
Click on the button below to find the right battery for your machine
Battery FinderReliable cold-weather starting performance is a persistent challenge for conventional vehicles, particularly during winter months when battery capacity can diminish under load. The Bosch S4020 is a 12V 45Ah lead-acid starter battery engineered to meet those demands, delivering 330A cold cranking amps (EN) for dependable engine starts across a broad range of passenger cars and light commercial vehicles.
Manufactured under the Bosch S4 range, this battery employs full frame grid technology to maximise active material utilisation and reduce internal resistance. The flushed battery cover design minimises the risk of acid leakage, while robust carry handles facilitate safe handling during installation and replacement. The S4 range is produced in accordance with OEM specifications, ensuring dimensional and electrical compatibility with original equipment fitments across a wide cross-reference database of 156 vehicle applications.
The S4020 measures 238mm (L) × 129mm (W) × 227mm (H inc. terminal), with a Terminal 3 configuration, positive polarity code 0 (positive terminal on the left), and B00 hold-down base. It is compatible with vehicles referencing OEM code 545155033 and cross-references the Varta Blue Dynamic 545 156 033. This battery is not suitable for start-stop vehicles. Weight is 11.43kg.
The Bosch S4 range is available in multiple capacities and dimensions. Related variants include S4000, S4001, S4002, S4004, S4005, S4018, S4019, S4021, S4022, and S4023, covering a broad spectrum of fitment requirements.
This battery is supplied with a 4-year warranty, providing assurance of long-term reliability for standard conventional vehicle applications.
Standard delivery: 1–3 working days within UK mainland. 30-day returns.
The Bosch S4 Battery ensures a powerful start for all types of vehicles and offers long service life, flushed tops for minimized risk of acid leakage, and dependable power in accordance with OEM requirements. It uses full frame grid technology, highly protective pocket separators and robust connections inside to extend lifetime and maximize reliability.
Key Feature:Suited for passenger cars, balancing reliable cold-cranking performance with long service life for daily use.
Uses:PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specialising in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalogue of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
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.
| Brand | Bosch |
|---|---|
| Voltage | 12V |
| Capacity AH (C20) | 45Ah |
| Cold Cranking Amps (EN) | 330A |
| L × W × H | 238mm × 129mm × 227mm |
| Warranty period | 4 Years |
| Weight (Kg) | 11.43 |
| Capacity AH (C5) | |
| Capacity AH (C10) | |
| Capacity AH (C100) | |
| Marine Cranking Amps (MCA) | |
| Watt-Hours (WH) | |
| Length (mm) | 238 |
| Width (mm) | 129 |
| Height Inc. Terminal (mm) | 227 |
| Terminal Placement | 0 |
| Terminal Type | 3 |
| Hold Down | B00 |
| Case Size | |
| ETN Number | 545155033 |
| TTNR | 0092S40200 |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Expert Guidelines for Preserving Your Heavy Equipment Battery Heavy machinery, including forklifts, bulldozers, and excavators, relies on robust batteries to minimize downtime and maximize operational availability. These batteries must endure even more challenging conditions than typical automotive batteries. Moreover,...
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Standard Delivery: £7.99
Delivery Estimate: 3 to 5 working days
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| Technical Specification | |||||
|---|---|---|---|---|---|
| PRODUCT NUMBER | YBX1012 | YBX1063 | YBX1049 | EA406 | EA456 |
| Voltage | 12 | 12 | 12 | 12 | 12 |
| Capacity (AH) | 45 | 40 | 45 | 40 | 45 |
| Hold Down | B3 | B13 | B1 | ||
| Cold Cranking Amps (EN1) | 380 | 360 | 350 | 350 | 390 |
| Terminal Type | T1 | T1 | T1 | ||
| Cell Layout | 0 | 0 | 1 | ||
| Length | 207 | 207 | 220 | 187 | 237 |
| Width | 175 | 175 | 135 | 127 | 127 |
| Height | 190 | 175 | 225 | 220 | 227 |
| Show More | |||||
A. The Bosch S4020 has a cold cranking amp (CCA) rating of 330A measured to the EN standard. This indicates the current the battery can deliver at -18°C for 30 seconds while maintaining a minimum voltage of 7.5V, making it suitable for reliable cold-weather engine starting.
A. The Bosch S4020 measures 238mm in length, 129mm in width, and 227mm in height including the terminal. These dimensions correspond to the BCI/DIN Type 044 group size. Always verify your battery tray dimensions and hold-down clearance before ordering.
A. The S4020 uses a Terminal 3 post configuration with polarity code 0, meaning the positive terminal is positioned on the left-hand side when viewed from the front of the battery. Confirming terminal placement before installation is essential to ensure correct cable reach and safe connection.
A. No. The Bosch S4020 is a standard lead-acid battery and is not suitable for vehicles fitted with start-stop technology. Start-stop systems require AGM or EFB batteries designed to withstand repeated deep cycling. For start-stop applications, please refer to the Bosch S5A or S6 AGM range.
A. The Bosch S4020 carries OEM reference 545155033 and cross-references the Varta Blue Dynamic 545 156 033, among 156 registered vehicle fitments. Always verify your existing battery reference or vehicle registration against the fitment database before purchasing.
A. The S4020 uses a B00 base hold-down configuration. This refers to the ledge style at the base of the battery case used to secure it within the battery tray. Ensure your vehicle's hold-down bracket is compatible with the B00 specification before installation.
A. The Bosch S4020 is covered by a 4-year manufacturer's warranty. This warranty applies to defects in materials and workmanship under normal use conditions. It does not cover damage resulting from incorrect fitment, misuse, or installation in vehicles for which the battery is not specified.
A. The Bosch S4020 has a listed weight of 11.43kg. This is relevant for safe manual handling during installation. The battery features robust carry handles to assist with lifting and positioning during fitment.
A. The Bosch S4 range available on PartsForMachines includes the S4000, S4001, S4002, S4004, S4005, S4018, S4019, S4021, S4022, and S4023, covering a wide range of voltages, capacities, and case sizes for conventional petrol and diesel vehicles. Use the vehicle registration lookup or battery cross-reference search to identify the correct fitment.
A. The Bosch S4020 is dispatched via standard parcel delivery. Standard delivery: 1–3 working days within UK mainland. 30-day returns.
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