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004R Numax Premium Car Battery 12V 50Ah, 3 Years Warranty
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Technical Specification
PRODUCT NUMBER YBX1012YBX1063YBX1049EA406EA456
Voltage 1212121212
Capacity (AH) 4540454045
Hold Down B3B13B1
Cold Cranking Amps (EN1) 380360350350390
Terminal Type T1T1T1
Cell Layout 001
Length 207207220187237
Width 175175135127127
Height 190175225220227
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Q 1. What are the key specifications of the Numax 004R battery?

A. The Numax Premium 004R is a 12V lead-acid car battery with a 50Ah capacity (C20 rating) and 400A Cold Cranking Amps (EN). Its physical dimensions are 200mm (length) × 170mm (width) × 225mm (height including terminal), and it weighs 13kg.

Q 2. Is the Numax 004R suitable for start-stop vehicles?

A. No. The Numax Premium 004R is a standard lead-acid battery and is not suitable for vehicles equipped with start-stop systems. For start-stop applications, an AGM or EFB battery rated for that duty is required.

Q 3. What case type and terminal configuration does the 004R use?

A. The 004R is supplied in a D20 case format. It has Type 1 terminal placement with Polarity 1 configuration and a B00 hold-down type. Always confirm these details against your vehicle manufacturer's specification before fitting.

Q 4. What does the cross-reference code 004R mean?

A. The cross-reference code 004R is an industry-standard battery group code used to identify compatible replacements across different brands. When searching for an equivalent battery, this code can be used to verify that a replacement matches the correct dimensions, terminal layout, and polarity for your vehicle.

Q 5. What warranty does the Numax Premium 004R carry?

A. The Numax Premium 004R is covered by a 3-year manufacturer's warranty. This provides assurance against defects in materials and workmanship under normal use conditions.

Q 6. How do I confirm that the 004R is the correct battery for my vehicle?

A. You should verify fitment by checking your vehicle's owner's handbook or consulting the vehicle manufacturer's battery specification. Key parameters to match are voltage (12V), case size (D20), terminal type and polarity, and whether your vehicle requires start-stop compatibility (the 004R does not support start-stop).

Q 7. Are there other sizes and variants available in the same Numax Premium range?

A. Yes. The Numax Premium range includes multiple variants to suit differing fitment requirements. Related SKUs available from PartsForMachines include 154, 155, 002L, 002R, 004L, 005L, 005R, 009L, 012UR, and 75-550.

Q 8. Is the Numax 004R a maintenance-free battery?

A. Numax Premium batteries are designed to the highest specification for modern automotive electrical demands. For specific maintenance requirements, including whether the battery is sealed or requires electrolyte checks, refer to the documentation supplied with the battery or contact our technical support team.

Q 9. What are the delivery and returns terms for the Numax 004R?

A. Standard delivery is 1–3 working days within the UK mainland. A 30-day returns policy applies. For full terms and conditions, please refer to the PartsForMachines returns policy at the time of purchase.

Q 10. What is the Cold Cranking Amps (CCA) rating of the 004R, and why does it matter?

A. The 004R is rated at 400A Cold Cranking Amps (EN). CCA measures the battery's ability to deliver starting current at low temperatures (−18°C under the EN standard). A higher CCA rating indicates stronger starting performance in cold conditions. 400A CCA is appropriate for many conventional petrol and diesel passenger vehicles.

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