Spear & Jackson 44cm 36V Cordless Rotary Lawnmower Review


Today, I'm going to be talking about the Spear & Jackson 44cm 36V Cordless Rotary Lawnmower. Tackling a larger lawn can be quite the task, and choosing the right equipment is crucial for a clean cut and efficient work. This isn't just about mowing your lawn, it's also about embracing a more eco-friendly approach to garden maintenance. Does this mower live up to the task? You're going to find out about its capabilities and how it can be a game-changer for your lawn care.

View also: Our Cordless Lawnmower Reviews here

Main Features

Spear & Jackson 44cm 36V Cordless Rotary Lawnmower SCR3644A

Key Features

Cordless lawnmower with 2 4Ah batteries - Use 1 battery while the other recharges

Total battery mowing runtime 40-45 minutes

Recharging is fast at 1.5 hours, weight 19.9kg - Wide mowing deck 44cm for larger lawns

7 mowing heights from 2.5cm to 7.5cm

Mulch plug included to help fertilise lawn - Large grass collection box with 45L capacity

Foldable handle, rear roller, 3 year warranty

Price Guide: £320 - £370

Need for Reliability

You can always adjust your approach down the road, but when you're dealing with expansive outdoor spaces, having a reliable tool from the get-go can save you time and hassle. That's where the 44cm mowing path comes into the picture, offering a much wider sweep with each pass. And, with the 36V of battery power, you're stepping into territory where convenience meets performance.

Battery Powered Advantage

In my opinion, the switch from traditional petrol-fuelled mowers to a cordless, battery-operated machine like the Spear & Jackson model is a positive step towards sustainability. It's not just about ditching the cords; it's also about reducing emissions and noise pollution. There is no limitations to the grass areas you can work with as there are no power cords to worry about here.

Power Output

Now, you might hesitate to change—don't worry too much about that. With a 36V power output from its more robust 4Ah batteries, this lawnmower is trying to make the switch an easy choice. You can get a mowing runtime of 40-45 minutes combined (depending on grass mowing conditions) and you can charge 1 battery while you are using the 2nd battery.

Lawn Management

So, as we move forward, you can expect to dig a little deeper into the mowing performance and efficiency of this lawnmower. I'll share insights on how the powerful batteries, fast charging times, and longer mowing paths can make a noticeable difference in managing your lawn. And yes, this will include the environmental perks that tag along with it. Choose something that resonates with you, and if a greener, powerful lawn mowing machine is what you had in mind, stick around for the details.

View also: Our Robotic Mower Reviews here

Performance and Efficiency

I'm going to shine a light on the heart of the Spear & Jackson 44cm 36V Cordless Rotary Lawnmower's operation - its power and efficiency. You're going to find out about how this machine stacks up when it comes to getting the job done swiftly and effectively, especially on larger lawns that demand more muscle.

Additional Spare Battery

With the much more powerful 4Ah batteries, this machine packs a serious punch. Compared to 2Ah or 2.5Ah batteries found in many other mowers, it's like stepping up from a lightweight to a heavyweight in terms of endurance and performance. So the extra money spent on this lawnmower includes a superior performing battery power so keep this in mind.

Wider Mowing Paths

This power translates into a broader 44cm mowing path, allowing you to cover more ground with each pass.

A wider path means fewer laps around the yard, saving you time and effort in the long run. Instead of working with a 30cm or a 32cm mowing path, you get a wider 44cm mowing blade here which gets the job done quicker and more efficiently.

Fast Charging

In my opinion, the charging time of a lawnmower is a game-changer for efficiency. This model's fast charger revives your batteries in just 1.5 hours, which is half the time required by some competitors. This quick turnaround is ideal for those days when you're trying to beat the rain or you've got a busy schedule.

View also: Our Corded Lawnmower Reviews here

Mowing Runtime

A sturdy 40-45 minutes of runtime ensures you've got enough juice to tackle an expansive lawn without interruptions. And since there're no cords to limit your reach or fuels and fumes to worry about, your mowing experience is both seamless and environmentally friendly. Please note though that tougher mowing conditions will deplete the battery charge quicker so bear this in mind which is applicable to all battery operated lawn mowers.

Downtime Reduction

Now, efficiency isn't just about speed and power; it's also about longevity. This is where the backup battery included in the pack proves its worth. While one battery is in use, you can charge the other, effectively nullifying downtime. Choose something that resonates with you: either you can keep mowing with an almost non-stop energy supply, or you can call it a day with the knowledge that your equipment will be ready to go again in no time.

Convenience and User Experience

Now, let's talk about how this mower caters to your need for convenience. Starting your lawnmower has never been simpler; push the button and you're good to go. The Spear & Jackson 44cm 36V model ditches the often strenuous pull cords for a hassle-free push button starter. It's one of those little things that make a big difference, especially when you're in a hurry to get the job done.

Uninterrupted Mowing

But, if you're thinking about those moments when you're halfway through and the battery runs out, don't worry. A backup battery is part of the deal, so you can always keep one on charge while you use the other. That means uninterrupted mowing and a consistently manicured lawn. Now that's what I call smart planning! Batteries are expensive to buy in their own which explains the higher price involved here when compared to other cordless lawnmower packages in the market.

View also: Our Hover Lawnmower Reviews here

Heavier Machine

About the weight - yes, it's true, at 20kg this is a heavier machine compared to some of its counterparts. However, what you're gaining in weight, you're also gaining in durability and cutting capability. You may feel the difference when pushing, but for those larger lawns, the robustness and wide cutting path offer the efficiency that could very well be worth the extra muscle.


Maintaining your Spear & Jackson lawnmower is also pretty straightforward, but you can't ignore battery care. Like all lithium-ion batteries, the 36V units will degrade over time. To keep them in tip-top shape, ensure they're regularly charged and stored properly. By doing so, you can mitigate the rate of degradation and keep your lawnmower running at peak performance for seasons to come.

Investment Considerations

Next we need to talk about price versus the long-term value. I'm going to help you understand the cost implications when choosing between the Spear & Jackson 44cm 36V Cordless Rotary Lawnmower and its corded counterparts. Don't worry too much about the initial price tag; there's more to consider beyond just the upfront cost.

With the included three-year warranty, you're getting peace of mind that isn't something you can put a price on. You can always adjust your approach down the road, but starting with a product that's backed by a solid warranty means lower risk for you.

Battery Maintenance

In my opinion, assessing the value of this lawnmower shouldn't be done in isolation. Consider the battery lifespan and its implications on the longevity and performance of the mower. Yes, batteries degrade over time, but with proper care and the fast charger on hand, the inconvenience is minimal. Choose something that resonates with you—not only your needs today but also considering the environmental impact.

Pros for the Spear & Jackson 44cm Cordless Rotary Lawnmower

  • The big attraction here is the additional spare battery which in turn allows you to mow for longer periods without delayed interruptions
  • It includes the mulch plug which is not available in many other electric lawnmowers
  • You get a long 3 year warranty for peace of mind
  • There are no fuels, oils, expensive maintenance costs or any power cables to worry about.
  • Some cordless lawnmowers only offer 2.5Ah batteries but you get a more powerful 4Ah battery here
  • Some rechargers can take 3 hours or more to recharge their batteries but this recharger only takes 1.5 hours

Cons for the Spear & Jackson 44cm Cordless Rotary Lawnmower

  • The price level is on the higher side due to the larger frame and additional spare battery so it’s not for everyone – only for those with a higher level of disposable income for their gardening needs
  • When dealing with tough and difficult mowing conditions, the battery runtimes can be significantly reduced – its better to mow more regularly instead of letting the grass grow out of control
  • The stripes from the rear rollers could be a whole lot better
  • It’s a heavier machine to push around at nearly 20kg so keep this in mind. You need to do all the pushing which can difficult on sloped terrain as there is no self-propelled support built in.

View also: Our Reel Lawnmower Reviews here


This model champions an eco-friendly approach, free from the hassle of power cords, fuels, or fumes. In conclusion, if you're eyeing a robust machine for a larger lawn and value an earth-conscious choice, the Spear & Jackson 44cm lawnmower could be a smart investment. A lot is happening very quickly in the world of gardening technology, and this mower is at the forefront—offering power, convenience, and environmental stewardship all rolled into one.

Overall, we have no hesitation in recommending this awesome Cordless lawnmower to the wider public and further images and pricing information can be checked out below...

Spear & Jackson Cordless Lawn mower Feedback

Have you ever used a Spear & Jackson Cordless electric Rotary Lawnmower in the past? Did the mowing and battery runtimes meet all of your expectations? If possible, please share your own feedback and opinions in the comment box section provided below. So that others in the mowing communities can learn also.

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