Cobra RM51SP80VX Twin 40V MAX+ Self-Propelled Rear Roller Cordless Lawn Mower (with 2 x 40V 4Ah Batteries & 2 x Fast Chargers)
Cobra RM51SP80VX Twin 40V MAX+ Self-Propelled Rear Roller Cordless Lawn Mower (with 2 x 40V 4Ah Batteries & 2 x Fast Chargers)
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Delivery Information
UK MAINLAND
Delivery costs to most United Kingdom mainland addresses are included in the price of our garden machinery products over £100.
For orders of garden machines under £100, all hand tools including WOLF-Garten and Wilkinson Sword, accessories and parts, the cost of delivery will be calculated in your shopping basket according to the weight of the product and your postcode. Parts, accessories & hand tools will normally incur a small delivery charge of £8.50.
Additional delivery charges may apply to the following areas and this will be calculated in your shopping basket when you input your postcode:-
Isle Of Wight
Scottish Highlands
including postcodes AB31-38, AB41-45, AB51-56, FK19-21, IV1-56, KA26-28, KW1-17, PA20-88, PH1-9, PH15-44, PH49
East Coast of Scotland
including postcodes AB1-3, AB9-16, AB21-25, AB30, AB39, AB41-AB42, DD1-11, KY13, PH2, PH11-14
Whilst there is NO additional charge to deliver to the east coast of Scotland postcodes, for courier deliveries under 99kg, please allow up to two working days from date of despatch for your order to arrive.
UK OFFSHORE AREAS
We are unable to deliver our products to locations below as we cannot support them if they become faulty within the warranty period.
Scottish Islands
including postcodes HS1-9, ZE1-3
Isle of Man
Northern Ireland
Channel Islands
OVERSEAS - EUROPE AND THE REST OF THE WORLD
The Green Reaper does not offer a delivery service outside the UK.
SATURDAY DELIVERY
For an additional charge, we can arrange for orders to be delivered to UK mainland addresses by courier on a Saturday. Please visit our Contact Us page or email us at sales@thegreenreaper.co.uk to obtain a quotation.
ADDITIONAL DELIVERY INFORMATION
Whilst we can deliver to an alternative delivery address, please note that for your security, we may require proof of your relationship with the second address. This reduces the possibility of someone else using your card fraudulently. Our Sales Team will call you to arrange this with you.
Stock willing, we aim to dispatch goods within 24 hours of receiving the order, however, please allow up to seven working days for your order to arrive. You will be contacted by email if the order is likely to take any longer. Please note: SCH products are built to order and usually delivered on their own transport so we quote a longer lead time.
An order confirmation email will be sent to your registered email address as soon as you submit the order online.
Please note that additional delivery charges may only be added at time of order processing, and will not always appear in the shopping basket or order confirmation email.
Normal delivery hours are 9am – 5.30pm, Monday to Friday. For security reasons a signature is required to acknowledge receipt. If you know that there will be no one available to sign for your delivery, it may be preferrable to supply an alternative address for delivery.
If no one is available at the delivery address to sign for the goods, the delivery company will leave a calling card. You can simply call the number on the card quoting the card reference number to re-arrange delivery at a more suitable time. Alternatively, you may prefer to collect the goods from your local depot. If you are unable to take delivery and the item is subsequently returned to us, the customer is liable for the cost of returning the goods.
ORDER TRACKING
How to track your parcel
If you choose to register with The Green Reaper, you will receive a member registration email containing your login details. When you place an order, you will receive an email confirmation of your order. You can login to your account at any time to check the status of your order - i.e. if it has been processed and despatched, etc. To login simply enter your email address and the password provided to track your order or edit your details.
If you have any questions regarding your order, please contact us using the contact form on our website. As soon as your goods are despatched, we will notify you by email the method of despatch, together with consignment details, where relevant. We will provide you with a link to our preferred courier's website so you can track your order's progress online.
If you have any further enquiries, please use the contact us form on the footer of our website.
DISCLAIMER
We work closely with our carriers to ensure the best possible service and delivery times, however, some delays may occur which are outside our control.
Flexible Finance Options
Spread the cost of your new appliance with our payment options. Choose from the options below at checkout and tailor your payments to your needs.
Description
Description
Specification
Specification
| Brand | Cobra |
| Battery | 2 x 40V MAX+ lithium-ion (included) |
| Battery Voltage | 2 x 40V = 80V |
| Battery Capacity | 4Ah |
| Battery Charger | 2 x VX fast chargers included |
| Motor | Brushless |
| Start Method | Electric, push button |
| Propulsion | Self-propelled single speed |
| Width of Cut | 51cm / 20" |
| Cutter Deck | Steel |
| Minimum Cutting Height | 17mm |
| Maximum Cutting Height | 75mm |
| Cutting Height Adjustment | Central, 6 stages |
| Collection System | Fabric grass bag with hard lid |
| Collector Capacity | 70L |
| Bag Full Indicator | Yes |
| Side Discharge | No |
| Handle Type | Folding, cam lock |
| Rear Roller | Yes |
| Rear Roller Type | Steel |
| Global Trade Item Number | 5055485039736 |
| Warranty | Manufacturer's - 2 years for domestic use |
Features
Features
40V MAX+ battery systemBuilt directly into the battery pack, this smart system allows the battery to recognize the specific Cobra tool it’s being used with, automatically optimising output for peak efficiency. The 40V MAX+ batteries offer several advantages: one battery fits all 40V MAX+ tools, they deliver high-performance power, run longer, and recharge faster. The Cobra RM51SP80VX uses twin 40V MAX+ batteries to deliver a powerful 80V of performance, ensuring longer run times and the strength to tackle tougher mowing tasks with ease. |
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51cm / 20" cutting deckThe Cobra RM51SP80VX is equipped with a robust 20" (51cm) steel cutting deck, built for durability and high-performance mowing. This wider deck, paired with a precision-engineered blade, delivers a clean and consistent cut with every pass. Ideal for larger lawns, the 51cm width offers excellent coverage while still allowing for confident control - perfect for achieving a crisp, professional striped finish. |
Beautiful striped finishEquipped with a full-width rear roller, the Cobra RM51SP80VX is built to deliver a classic striped finish across larger lawn areas. The 20" (51cm) cutting width combined with the rear roller gives your garden a professional, well-defined look, while also enhancing stability when mowing along borders and edges. This allows you to mow confidently right up to flowerbeds and pathways, helping you maintain crisp, clean lawn stripes with ease. |
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17-75mm cut heightsWith a fully adjustable six-stage cutting height range from 17mm for a precise low finish, up to 75mm for tackling longer, more demanding grass, the Cobra RM51SP80VXdelivers the versatility needed for various lawn conditions and cutting preferences. Adjusting the height is quick and effortless using the single height-of-cut lever, conveniently located next to the rear roller. This user-friendly design makes it easy to achieve your desired finish with confidence and control. |
Self-propelled driveThe self-propelled Cobra RM51SP80VX offers effortless mowing with powerful drive system, reducing strain and making it easier to cover larger areas with minimal effort. Its lightweight and well-balanced design ensures smooth, responsive control, allowing you to confidently navigate around borders, flower beds, and tight spaces. The self-drive system provides a more relaxed mowing experience while giving you full control over direction and precision across all types of terrain. |
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Ergonomic controlsThe Cobra RM51SP80VX offers smooth handling and effortless control, even across larger lawns and more challenging terrain. Its balanced design and powerful self-propelled drive system reduce operator fatigue, maintaining a consistent pace with minimal effort. The ergonomically positioned controls ensure comfortable operation, allowing you to confidently manoeuvre around borders, flower beds, and lawn edges. Designed for both performance and ease. |
Effortless controlThe Cobra RM51SP80VX is built with a well-balanced design that enhances manoeuvrability, even across larger lawns and more demanding terrain. Despite its generous 51cm cutting width, the mower remains easy to handle, offering smooth and responsive control throughout. The combination of balanced weight distribution and a self-propelled drive system reduces strain on the operator, making it easier to maintain a steady pace and achieve a clean, professional finish with minimal effort. |
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70 litre grass bag capacityThe Cobra RM51SP80VX is equipped with a spacious 70 litre grass bag, allowing you to cover more ground with fewer stops to empty clippings. Its high-performance collection system ensures excellent pickup and a clean, tidy finish on every pass. Ideal for medium to large lawns, it delivers efficient, uninterrupted mowing, helping you maintain a perfectly manicured lawn with ease. |

Video
Video
Brand
Brand
ABOUT COBRA GARDEN.....

Cobra Garden - The Most Comprehensive Range of Garden Machinery in the UK
Cobra garden machinery was launched in the United Kingdom in 2013 and is supported by Henton & Chattell Ltd, giving Cobra the benefit of over 90 years experience in the garden machinery and horticultural Industry.
The Cobra Garden range is constantly expanding and now consists of products to cover both your domestic and professional requirements. Cobra incorporates a comprehensive range of petrol, electric and cordless lawn mowers, hand-held machines and lawn care products. Cobra Garden products are available across the UK throughout a network of approved specialist dealers. As a Cobra Garden approved dealer, The Green Reaper has the knowledge and experience to help you purchase the correct Cobra Garden product for your requirements. We will also provide expert after-sales assistance if needed.
Cobra Garden’s philosophy is to remain true to its trusted values of innovation, quality, reliability, value and customer service. Cobra Garden works hard to ensure that the products and services on offer continue to be relevant to its customers.












