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Technical Specification
PRODUCT NUMBER EA472EA530EA612EA640EA654
Voltage 1212121212
Capacity (AH) 4753616465
Cold Cranking Amps (EN1) 450540600640580
Length 207207242242230
Width 175175175175173
Height 175190175190222

Q 1. What voltage and capacity does the Numax 291 battery provide?

A. The Numax 291 is a 12-volt battery with a 58Ah capacity rating (C20) and a Cold Cranking Amps (CCA) rating of 470A measured to the EN standard, making it suitable for reliable engine starting in classic and vintage vehicles.

Q 2. What are the dimensions and weight of the Numax 291 battery?

A. The Numax 291 measures 250mm in length, 168mm in width, and 221mm in height including the terminal. It weighs 18.5 kg. Always verify these dimensions against your vehicle's battery tray before ordering.

Q 3. What terminal type and polarity does the Numax 291 use?

A. The Numax 291 uses a Type 1 terminal configuration with Polarity 1 layout. This means the positive terminal is positioned on the left-hand side when viewed from the front of the battery. Confirm terminal placement matches your vehicle's lead arrangement before fitting.

Q 4. What hold-down type is required for the Numax 291?

A. The Numax 291 uses a B00 hold-down base, meaning it is secured via the base ledge. Ensure your vehicle's battery tray and clamp arrangement is compatible with a B00 hold-down configuration prior to installation.

Q 5. Is the Numax 291 compatible with start-stop vehicle systems?

A. Start-stop compatibility for the Numax 291 has not been confirmed. Please refer to the product label supplied with the battery for guidance. If your vehicle is equipped with a start-stop system, contact PartsForMachines for clarification before purchasing.

Q 6. What variants are available in the Numax 291 product range?

A. Related variants are available under the following part numbers: 154, 155, 002L, 002R, 004L, 004R, 005L, 005R, 009L, and 012UR. These variants accommodate differing terminal orientations and tray configurations across a range of classic vehicle applications.

Q 7. What warranty is provided with the Numax 291 battery?

A. The Numax 291 is supplied with a 1-year manufacturer's warranty covering defects in materials and workmanship under normal operating conditions. The warranty period begins from the date of purchase.

Q 8. Does the Numax 291 carry an IP rating, and are Watt-Hours or MCA figures published?

A. No IP ingress protection rating applies to the Numax 291. Marine Cranking Amps (MCA) and Watt-Hours (WH) figures are not published for this product. The primary performance rating is 470 CCA to the EN standard.

Q 9. How is the Numax 291 battery delivered, and what is the returns policy?

A. The Numax 291 is dispatched via pallet shipment, with delivery typically within 3–5 working days to UK mainland addresses. Contact PartsForMachines directly for a delivery quote. A 30-day returns policy applies to this product.

Q 10. Are there cross-reference part numbers available for the Numax 291?

A. No direct cross-reference part numbers are listed for the Numax 291. Fitment should be verified by matching the physical dimensions (250mm × 168mm × 221mm), terminal type, polarity, and hold-down type against the existing battery or vehicle manufacturer specification.

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