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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 |
Heavy-duty commercial vehicles operating in urban distribution, agricultural, and construction environments place exceptional demands on starting batteries – prolonged idle periods, frequent cold starts, and high electrical loads all accelerate battery degradation. The VARTA ProMotive SLI K11 is engineered specifically to meet these demands, delivering 900A cold cranking amps (EN) from a 143Ah (C20) capacity at 12V to ensure dependable engine starts under the most challenging conditions.
Manufactured by VARTA to Original Spare Part standards, the ProMotive SLI range is purpose-built for commercial vehicle applications. VARTA's ProMotive SLI technology employs robust plate construction and a high-density active material formulation designed to sustain repeated high-current discharge cycles whilst maintaining reliable reserve capacity across the service life of the battery.
The K11 measures 508mm × 174mm – 205mm (L × W × H, including terminal) and weighs 36.5kg. It features Type 1 terminals, hold-down configuration B01, and standard polarity (code 0, positive terminal left). The cross-reference code 638 confirms compatibility with a wide range of commercial vehicle fitments. Start-stop compatibility is not confirmed for this model – refer to the product label before installation. This product is not assigned an IP, MCA, or Wh rating.
The K11 is one of ten variants in this ProMotive SLI listing. Alternative SKUs include J1, J2, J3, J5, J10, K4, K7, K8, L2, and M11, covering a range of capacities, dimensions, and terminal configurations to suit different commercial vehicle applications across the VARTA Promotive CV range." This battery is supplied with a 2-year warranty covering defects in materials and workmanship under normal operating conditions. "Delivery: pallet shipment, typically 3–5 working days within UK mainland. Contact PartsForMachines for delivery quote. 30-day returns.
Key Feature:Engineered for commercial vehicles, handles higher electrical loads and vibration typical of trucks, buses, and delivery fleets.
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 | VARTA |
|---|---|
| Voltage | 12V |
| Capacity AH (C20) | 143Ah |
| Cold Cranking Amps (EN) | 900A |
| L × W × H | 508mm × 174mm × 205mm |
| Warranty period | 2 Years |
| Weight (Kg) | 36.5 |
| Capacity AH (C5) | |
| Capacity AH (C10) | |
| Capacity AH (C100) | |
| Marine Cranking Amps (MCA) | |
| Watt-Hours (WH) | |
| Length (mm) | 508 |
| Width (mm) | 174 |
| Height Inc. Terminal (mm) | 205 |
| Terminal Placement | 0 |
| Terminal Type | 1 |
| Hold Down | B01 |
| Case Size | |
| ETN Number | 643107090 |
| TTNR |
| 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,...
Standard Delivery: £7.99
Delivery Estimate: 3 to 5 working days
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| Technical Specification | ||||
|---|---|---|---|---|
| PRODUCT NUMBER | YBX1612 | YBX1630 | YBX1655 | YBX1657 |
| Voltage | 12 | 12 | 12 | 12 |
| Capacity (AH) | 143 | 143 | 126 | 142 |
| Hold Down | N | B3 | N | N |
| Cold Cranking Amps (EN1) | 900 | 900 | 750 | 850 |
| Terminal Type | T1 | T1 | T1 | T1 |
| Cell Layout | 3 | 3 | 0 | 0 |
| Length | 513 | 513 | 347 | 345 |
| Width | 189 | 189 | 174 | 175 |
| Height | 223 | 223 | 285 | 275 |
| Show More | ||||
A. The VARTA K11 ProMotive SLI is rated at 900A cold cranking amps measured to the EN standard, making it suitable for high-demand cold-start applications in commercial vehicles.
A. The K11 uses standard polarity (code 0), meaning the positive terminal is positioned on the left-hand side when viewed from the front of the battery.
A. Start-stop compatibility has not been confirmed for the K11. Refer to the product label and your vehicle manufacturer's specifications before installation to confirm suitability.
A. The K11 carries cross-reference code 638, which can be used to verify fitment compatibility across commercial vehicle battery references. The manufacturer part number is 643107090.
A. The K11 is fitted with Type 1 terminals and uses hold-down configuration B01. Confirm these match your vehicle's battery tray and clamping arrangement prior to ordering.
A. The ProMotive SLI is purpose-built for urban distribution, agricultural, and construction vehicle applications where reliable cold starting and robust performance under high electrical loads are required.
A. Yes. This listing includes ten variants: J1, J2, J3, J5, J10, K4, K7, K8, L2, and M11. Each variant differs in capacity, dimensions, or terminal configuration to suit a range of commercial vehicle fitments.
A. The K11 is supplied with a 2-year warranty covering defects in materials and workmanship under normal operating conditions. Retain proof of purchase for any warranty claim.
A. The K11 is dispatched on a pallet and typically arrives within 3–5 working days to UK mainland addresses. Contact PartsForMachines for a delivery quote. A 30-day returns policy applies.
A. The K11 measures 508mm (length) × 174mm (width) × 205mm (height including terminal) and weighs 36.5kg. Ensure your battery tray and hold-down hardware are compatible before fitting.
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