POPULAR CATEGORY
| 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 |
Vintage and classic car applications place unusual demands on the electrical system, requiring a battery designed for low-voltage architectures that modern 12V units cannot satisfy. The Numax 421/13 is a dedicated 6V lead-acid battery engineered specifically for classic vehicle restoration, preservation, and everyday use where original 6V electrical systems must be maintained.
Numax batteries are built to exacting specifications to handle the full range of automotive electrical demands. The Standard tier construction reflects the brand's commitment to quality and durability across its automotive range, ensuring consistent cranking performance and reliable charge retention suited to vehicles with lower electrical loads and period-correct componentry.
This battery delivers 58Ah capacity (C20) and 270A Cold Cranking Amps (EN), housed in a unit measuring 174mm × 169mm – 218mm (L × W × H) and weighing 9kg. Terminal placement follows Type 1 configuration with B00 hold-down and Polarity 0. No direct cross-reference is listed; buyers should verify fitment against their vehicle's original battery specification before ordering. Start-stop compatibility is not confirmed – refer to the product label." The 421/13 is available across multiple variant SKUs to accommodate differing terminal and polarity requirements within the classic vehicle sector. Select the appropriate variant for your application. Supplied with a 1 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.
Quality, durability and performance sum up the NUMAX range of batteries. NUMAX batteries are built to the very highest specification to cope with today’s automotive electrical demands. The NUMAX automotive range has a battery to suit every application whilst providing premium quality and value. That’s why people trust the NUMAX battery brand to give them the performance they need no matter how harsh the conditions.
Key Feature:Engineered for modern passenger vehicles, providing reliable starting power, voltage stability, and long-term durability to support daily commuting and standard automotive electrical demands.
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 | Numax Batteries |
|---|---|
| Voltage | 6V |
| Capacity AH (C20) | 58Ah |
| Cold Cranking Amps (EN) | 270A |
| L × W × H | 174mm × 169mm × 218mm |
| Warranty period | 1 Year |
| Weight (Kg) | 9 |
| Capacity AH (C5) | |
| Capacity AH (C10) | |
| Capacity AH (C100) | |
| Marine Cranking Amps (MCA) | |
| Watt-Hours (WH) | |
| Length (mm) | 174 |
| Width (mm) | 169 |
| Height Inc. Terminal (mm) | 218 |
| Terminal Placement | 0 |
| Terminal Type | 1 |
| Hold Down | B00 |
| Case Size | |
| ETN Number | |
| 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 | EA472 | EA530 | EA612 | EA640 | EA654 |
| Voltage | 12 | 12 | 12 | 12 | 12 |
| Capacity (AH) | 47 | 53 | 61 | 64 | 65 |
| Cold Cranking Amps (EN1) | 450 | 540 | 600 | 640 | 580 |
| Length | 207 | 207 | 242 | 242 | 230 |
| Width | 175 | 175 | 175 | 175 | 173 |
| Height | 175 | 190 | 175 | 190 | 222 |
A. The Numax 421/13 is a 6-volt battery, making it suitable for vintage and classic vehicles that retain their original 6V electrical systems.
A. The battery provides a capacity of 58Ah measured at the C20 rate, which is the standard rating used for automotive lead-acid batteries.
A. The Numax 421/13 is rated at 270A Cold Cranking Amps to the EN standard, providing adequate starting performance for classic 6V petrol engines in cold conditions.
A. The battery measures 174mm in length, 169mm in width, and 218mm in height including the terminals. It weighs 9kg. Always verify these dimensions against your battery tray before ordering.
A. The 421/13 uses a Type 1 terminal configuration with B00 hold-down and Polarity 0. Please confirm your vehicle's terminal and polarity requirements before purchase, and select the appropriate variant if needed.
A. Start-stop compatibility has not been confirmed for this battery. Please refer to the product label for guidance, or contact PartsForMachines if you require clarification before ordering.
A. No cross-reference is listed for this product. Fitment should be verified against your vehicle manufacturer's original battery specification, including voltage, capacity, CCA, and physical dimensions.
A. Multiple variants are available under related SKUs, including options with differing terminal placements and polarities such as 154, 155, 002L, 002R, 004L, 004R, 005L, 005R, 009L, and 012UR. Select the variant that matches your vehicle's battery specification.
A. The Numax 421/13 is supplied with a 1 Year Warranty covering defects in materials and workmanship under normal operating and maintenance conditions.
A. The Numax 421/13 is dispatched via pallet shipment and typically arrives within 3–5 working days to UK mainland addresses. Contact PartsForMachines directly for a delivery quote. A 30-day returns policy applies.
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