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017EFB Numax EFB Car Battery 12V 90Ah, 3 Years Warranty
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Technical Specification
PRODUCT NUMBER YBX7335YBX7115YBX7110YBX7096YBX7031
Voltage 1212121212
Capacity (AH) 8085757572
Hold Down NB3B3B3N
Cold Cranking Amps (EN1) 780760730700720
Terminal Type T1T1T1T1T1
Cell Layout 00001
Length 305317317278260
Width 173175175175173
Height 225190175190225
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Q 1. What is the cold cranking amps (CCA) rating of the Numax 017EFB?

A. The Numax 017EFB is rated at 850 CCA (EN standard), making it well suited to reliable cold-weather starting in larger petrol and diesel engines.

Q 2. Is the Numax 017EFB compatible with start-stop vehicles?

A. Yes. The 017EFB is an Enhanced Flooded Battery (EFB) specifically engineered for vehicles fitted with start-stop ignition systems, providing improved charge acceptance and cycle durability compared with standard flooded batteries.

Q 3. What are the physical dimensions of the 017EFB battery?

A. The battery measures 354 mm in length, 175 mm in width, and 174 mm in height including the terminal. It is housed in an L05 case and weighs 19.6 kg.

Q 4. What terminal type and polarity does the 017EFB use?

A. The 017EFB uses a Type 1 terminal arrangement with standard positive polarity (polarity code 0). The hold-down configuration is B13. Always verify terminal layout against your vehicle specification before fitting.

Q 5. What is the difference between an EFB battery and a standard flooded battery?

A. EFB (Enhanced Flooded Battery) technology incorporates a reinforced polyester scrim bonded to the active plate material. This improves charge acceptance and extends cycle life, particularly under the repeated partial-state-of-charge conditions generated by start-stop systems.

Q 6. Can the Numax 017EFB replace an AGM battery in a start-stop vehicle?

A. Not as a like-for-like replacement. If your vehicle was originally fitted with an AGM battery, an AGM replacement should be used, as the vehicle's battery management system is calibrated for AGM characteristics. The 017EFB is suitable where the original fitment is EFB or standard flooded.

Q 7. What warranty does the Numax 017EFB carry?

A. The 017EFB is covered by a 3-year manufacturer warranty, providing assurance of quality and performance over an extended service life.

Q 8. Are there other sizes available in the Numax EFB range?

A. Yes. The Numax EFB series includes the following additional SKUs: 020EFB, 068EFB, 096EFB, 110EFB, 115EFB, and 249EFB, covering a range of capacities and case sizes to suit different vehicle applications.

Q 9. Does the 017EFB require any special charging equipment?

A. The 017EFB is compatible with standard 12V lead-acid battery chargers. For best results, use a smart or intelligent charger that supports EFB or flooded battery profiles. Avoid charging with equipment calibrated solely for AGM batteries.

Q 10. What are the delivery and returns terms for the Numax 017EFB?

A. Standard delivery is 1–3 working days within 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.

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