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404 Numax Vintage Car Battery 6V 77Ah, 1 Year Warranty
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Technical Specification
PRODUCT NUMBER YBX1019YBX1072EA722EA754EA755
Voltage 1212121212
Capacity (AH) 9072727575
Hold Down B13N
Cold Cranking Amps (EN1) 800600720630630
Terminal Type T1T1
Cell Layout 01
Length 353265278270270
Width 175175175173173
Height 190205175222222
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Q 1. What voltage is the Numax 404 battery?

A. The Numax 404 is a 6-volt battery, designed for vintage and classic vehicles that use a 6V electrical system rather than the 12V systems found in modern vehicles.

Q 2. What is the capacity and cold cranking performance of this battery?

A. The Numax 404 delivers 77Ah capacity (C20 rating) and 395 Cold Cranking Amps (CCA) measured to the EN standard, providing reliable cold-start performance for period-correct 6V applications.

Q 3. What are the physical dimensions of the Numax 404?

A. The battery measures 216mm in length, 170mm in width, and 183mm in height including the terminal. It weighs 9.5 kg. Verify these dimensions against your vehicle's battery tray before ordering.

Q 4. What terminal type and polarity does the Numax 404 use?

A. The Numax 404 features a Type 1 terminal arrangement with Polarity 0 layout and a B00 hold-down configuration. Confirm these specifications match your vehicle's requirements before purchase.

Q 5. Is the Numax 404 compatible with start-stop systems?

A. Start-stop compatibility for this battery is not confirmed. Please refer to the product label supplied with the battery for guidance before fitting it to any vehicle equipped with a start-stop system.

Q 6. Are there cross-reference part numbers for the Numax 404?

A. No direct cross-references are listed for this product. If you are replacing an existing 6V battery, verify fitment using the physical dimensions, terminal type, voltage, and capacity rather than relying on a cross-reference number.

Q 7. What warranty does the Numax 404 carry?

A. The Numax 404 is backed by a 1-year manufacturer's warranty covering defects in materials and workmanship under normal use conditions.

Q 8. Are other capacities or sizes available in the Numax Standard range?

A. Yes. Related variants include batteries in 100Ah, 110Ah, and 115Ah capacities, as well as further group sizes such as 072T, 096R, MF78DT-630, C31-1000, 242, 017, and 018. Please see the variant listings on the product page for full specifications.

Q 9. Is this battery suitable for use in a vintage or pre-war vehicle?

A. The Numax 404 is a 6V battery specifically intended for classic and vintage vehicles requiring a 6V supply. It is not suitable for use in any vehicle with a 12V electrical system. Always confirm the required voltage for your vehicle before purchase.

Q 10. How is the Numax 404 delivered and what is the returns policy?

A. The Numax 404 is dispatched on a pallet, with delivery typically taking 3–5 working days to UK mainland addresses. Contact PartsForMachines for a delivery quote. A 30-day returns policy applies.

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