057 Numax Premium Car Battery 12V 45Ah, 3 Years Warranty

General
Q 1. What is the delivery time?
A. Standard UK Mainland delivery is 3–5 working days.

Q 2. What is the warranty period for this product?
A. This product is covered under a 2-year warranty from the date of purchase.

Q 3. What is your return policy?
A. We accept returns within 30 days of purchase for items that are unused, undamaged, and in their original packaging. Returns are available only for UK-delivered orders and must include proof of purchase.

Before returning an item, please contact us at customer@machinerefurb.com to obtain a Return Merchandise Number (RMN). You may also be asked to share images of the product and its packaging for verification.

Items that do not meet these conditions will not be accepted for return. If your return is approved, we will initiate a refund to your credit card or original method of payment. A restocking fee of up to 15% of the order value may apply to each returned item.

Technical
Q 1. How do I choose the right battery for my vehicle or machine?
A. We are here to provide expert help with any product-related enquiry. WhatsApp 07754288583 or call 01926754100 to choose a battery matches your vehicle’s specifications, including capacity, dimensions, and terminal type.

Confirm it is compatible with your model, offers the required power output and comes from a trusted brand with a reliable warranty.

Q 2. What’s the difference between AGM, EFB and standard lead-acid batteries?
A. AGM, EFB and standard lead-acid batteries differ in construction, performance and suitability. Choosing correctly depends on vehicle technology, electrical demand, driving patterns and budget.

AGM (Absorbent Glass Mat)
- AGM batteries are sealed, spill-proof, with high cranking and fast recharge—ideal for start-stop, high-load systems. Maintenance-free; use AGM-compatible charging.
EFB (Enhanced Flooded Battery)
- EFB batteries upgrade flooded designs for better charge acceptance and cycling. Suited to mid-range start-stop cars and short trips; maintenance-free.
Standard Lead-Acid
- Standard lead-acid batteries are affordable and reliable for older or non-start-stop vehicles. Slower recharge, reduced vibration resistance and shorter lifespan.
Q 3. What does CCA (Cold Cranking Amps) mean?
A. CCA measures how well a battery can start an engine in cold conditions. The higher the CCA, the better the cold-start performance.

Q 4. How can I test the health of my battery?
A. Use a conductance or load tester to measure voltage, internal resistance, and starting performance. Inspect terminals, check for swelling or leaks, and confirm alternator charging voltage during operation.

Q 5. How can I prevent my battery from failing?
A. Keep terminals clean and tight, avoid deep discharges, fix parasitic drains, and ensure correct charging. Use a smart maintainer during storage and inspect mounting for excessive vibration or heat exposure.

Q 6. How often should I charge my battery if not in regular use?
A. Top up at least monthly, or maintain continuously with a smart charger. Storage, temperature, and standby loads affect intervals; verify state of charge with a voltmeter before use.

Q 7. Can I replace my old battery with a higher capacity one?
A. Yes—often you can. Upgrading to a higher-capacity battery can deliver longer reserve power and improved reliability. For a hassle-free upgrade and the right fit first time, shop with us at Machinerefurb — we’ll help you choose the exact unit for your vehicle.

Choose MachineRefurb for expert UK fitment advice: we’ll match capacity, size, and terminal layout to your specification. We keep trusted brands with fresh inventory and real warranties, make selection simple (share your vehicle reg, old battery code, or use-case), and provide fast, reliable fulfilment with friendly support from a team that truly knows batteries.