Ultramax Lawnmower Battery 12V 18Ah – (Replaces F19-12B)

Ultramax Lawnmower Battery 12V 18Ah - (Replaces F19-12B)
Ultramax Lawnmower Battery 12V 18Ah - (Replaces F19-12B)
Rated 4.89 out of 5 based on 9 customer ratings
(9 customer reviews)

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Ultramax Lawnmower Battery 12V 18Ah - (Replaces F19-12B)
£49.99
in stock
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Amazon.co.uk
Amazon price updated: August 14, 2026 10:15 am
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Highest Price
£49.99 Amazon.co.uk
June 16, 2026
Lowest Price
£49.99 Amazon.co.uk
August 14, 2026
Current Price
£49.99 Amazon.co.uk
August 14, 2026
Since June 16, 2026
I may earn a commission at no cost to you
Last updated on August 14, 2026 10:15 am
  • Ultra Max NP18-12, 12v 18Ah. Dimensions: L(mm) W(mm) H(mm) 181 76 167
  • Brand New Fresh Stock for Maximum Performance 12v 18Ah Usable in any orientation (except continuous inverted).
  • Longer lifespan due to Heavy-duty plates and unique separator systems to deliver cyclic capability twice as long as conventional batteries
  • Supplied with 1 Year Manufacturer Warranty Support
  • Superior High Performance Battery – Supplied Fully Charged
Number of batteries

1 12V batteries required.

Brand

Battery cell composition

Sealed Lead Acid

battery capacity

Recommended uses for product

9 reviews for Ultramax Lawnmower Battery 12V 18Ah – (Replaces F19-12B)

  1. Rated 5 out of 5

    Mills733 –

    Battery fitted and works well.

  2. Rated 5 out of 5

    josephweir7xtz –

    The Battery Is A Good Job Fits And Works Great Will Please !

  3. Rated 5 out of 5

    JB –

    Arrived on time and fully charged. Easy to fit and started first time so works fine on our Mountfield 1530 H. At £49.99 an excellent price compared to Mountfield. Early days so can’t comment on how long it will last but will report back if there’s a problem.

  4. Rated 5 out of 5

    Kindle-klant –

    Batterij voldoet aan de verwachtingen en kwam volgeladen aan!

  5. Rated 5 out of 5

    Alex Petrides –

    Bought for my Mountfield ride on mower as was struggling to start, works really well and starts first time now

  6. Rated 5 out of 5

    Amazon Customer –

    Just what I needed. Connected it an away you go. Great buy.++++

  7. Rated 4 out of 5

    Helen Newell –

    Used for ride-on mower

  8. Rated 5 out of 5

    E. Fradley –

    these batteries fitted our mobility scooter perfectly . excellent .

  9. Rated 5 out of 5

    Mike vfr –

    Well made

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