Skip to content

Optima Yellow Top Dual Purpose Battery - 8012-254 12V 55Ah - YTS4.2, 2 Years Warranty

Original price £227.54 - Original price £227.54
Original price
£227.54
£227.54 - £227.54
Current price £227.54
  • Product Description
  • Technical Specification
  • Warranty Details
  • Product Number: YTS4.2

    High-demand electrical systems - from winches and inverters to emergency lighting and auxiliary loads - place severe cyclic stress on conventional batteries, causing premature failure. The Optima YTS4.2 Yellow Top Dual Purpose Battery (8012-254) is engineered to meet both cranking and deep-cycle demands from a single unit, eliminating the need for separate starter and leisure batteries in complex installations. Optima's Spiral cell AGM technology arranges pure lead plates in a tight cylindrical spiral, delivering a larger surface area and a more robust electrolyte suspension than flat-plate AGM designs. The sealed, maintenance-free construction resists vibration, mounts in virtually any orientation, and supports start-stop systems - verify compatibility against the product label before fitment. The YTS4.2 supplies 12V, 55Ah capacity (C20) and 765A CCA, housed in a 254 mm - 175 mm - 200 mm case weighing 20.3 kg. Terminal placement follows Type 1 configuration with SAE top posts; hold-down type B00. Polarity is standard (Type 1). No direct cross-reference is listed - confirm physical and electrical suitability against your OEM specification before ordering." No additional variants are available for this reference. This battery is supplied with a 2-year manufacturer warranty. " . The OPTIMA YELLOWTOP high-performance AGM Battery is a dual-purpose battery for starter and cyclic applications. It is ideal for vehicles with high-demand electronics, commercial vehicles, heavy equipment and special applications like emergency vehicles. You can rely on this battery to provide ultimate starting and deep-cycle power. Key Feature: Backed by 2-year warranty for reliable use and dependable performance. Product Group: 3300, OPTIMA YELLOW TOP BATTERY, Optima AGM Battery, purpose-built for dependable performance in the intended application. Engineered as a AGM Battery, delivering consistent, reliable operation in daily use. Manufactured by Optima, a trusted name known for dependable quality. Weighs 20.3kg, balancing power and manageability for easier installation and handling. . OEM-style fitment supports straightforward replacement and proper mounting. 12V system compatibility with standard vehicle electrical requirements. Compatibility: Suited for passenger vehicles, 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. About MachineRefurb: MachineRefurb is an e-commerce platform specialising in replacement parts, spares and consumables for construction, agriculture and industrial machinery, serving customers across Ireland, the United Kingdom and Europe. We offer an extensive catalogue of over 200,000 products to keep your machines running. Standard delivery: 1-7 working days across Ireland, the UK and Europe. 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: Optima Batteries
    • Voltage: 12V
    • Capacity AH (C20): 55Ah
    • Cold Cranking Amps (EN): 765A
    • L x- W x- H: 254mm x- 175mm x- 200mm
    • Warranty period: 2 Years
    • Weight (Kg): 20.3
    • Capacity AH (C5):
    • Capacity AH (C10):
    • Capacity AH (C100):
    • Marine Cranking Amps (MCA):
    • Watt-Hours (WH):
    • Length (mm): 254
    • Width (mm): 175
    • Height Inc. Terminal (mm): 200
    • Terminal Placement: 1
    • Terminal Type: 1
    • Hold Down: B00
    • Case Size:
    • ETN Number:
    • TTNR:
  • New Grade - 24 Months Warranty from purchase is available on this product.
Frequently Asked Questions

Q1- What is the cold cranking amp (CCA) rating of the Optima YTS4.2 Yellow Top battery?
ANS- The Optima YTS4.2 is rated at 765A CCA (EN standard), making it suitable for high-demand starting applications in commercial vehicles, 4x4s, and specialist equipment.

Q2- Is the Optima YTS4.2 a genuine dual-purpose battery, or is it primarily a starter unit?
ANS- The YTS4.2 is a true dual-purpose AGM battery, designed to deliver both reliable engine cranking and sustained cyclic discharge for auxiliary loads such as winches, inverters, and emergency lighting - reducing the need for separate starter and leisure batteries.

Q3- What are the physical dimensions and weight of the YTS4.2?
ANS- The battery measures 254 mm (length) — 175 mm (width) — 200 mm (height including terminals) and weighs 20.3 kg. Confirm these dimensions against your battery tray before ordering.

Q4- What terminal type and polarity configuration does the YTS4.2 use?
ANS- The YTS4.2 uses SAE top-post terminals in a Type 1 configuration with standard polarity (Type 1). The hold-down type is B00. Always verify terminal layout against your vehicle's requirements before fitment.

Q5- Is the Optima YTS4.2 compatible with start-stop systems?
ANS- Optima's AGM Spiralcell technology supports start-stop functionality. However, compatibility with a specific vehicle's start-stop system should always be verified against the product label and your vehicle's OEM specification.

Q6- Can the YTS4.2 be mounted in any orientation?
ANS- Yes. As a sealed AGM battery with no free electrolyte, the YTS4.2 can be installed in non-standard orientations, including on its side, provided terminal connections and hold-down security are maintained correctly.

Q7- What technology does Optima use in the Yellow Top battery, and why does it matter?
ANS- Optima uses proprietary Spiralcell technology, winding pure lead plates into a tight spiral cylinder. This increases plate surface area, improves vibration resistance, and enhances both cranking performance and cyclic durability compared to conventional flat-plate AGM designs.

Q8- Are there any direct cross-reference part numbers for the Optima YTS4.2?
ANS- No verified cross-reference numbers are listed for this product. To confirm a like-for-like replacement, compare the voltage, capacity, CCA rating, and physical dimensions against your existing battery specification.

Q9- What warranty is provided with the Optima YTS4.2 Yellow Top battery?
ANS- The YTS4.2 is supplied with a 2-year manufacturer warranty, covering defects in materials and workmanship under normal operating conditions.

Q10- How long will delivery take, and what is the returns policy for the Optima YTS4.2?
ANS- The YTS4.2 is dispatched via standard parcel service. Delivery takes 1-3 working days within UK mainland. A 30-day returns policy applies - please ensure the battery is unused and in its original packaging if returning.

Q11- What are the delivery times?
ANS- Estimated delivery times are as follows:
* Ireland: 1-3 business days
* UK Mainland: 1-3 business days
* Northern Ireland: 3-7 business days
* European Union: 3-7 business days
All orders are shipped with tracking. You will receive tracking details by email once dispatched.

Q12- What is the warranty period for this product?
ANS- This product is covered under a 2-year warranty from the date of purchase.

Grade: New

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare