The Cobra MX3840VX is a lightweight, hand-propelled cordless lawnmower powered by the advanced 40V MAX+ Li-ion battery system. With a 38cm cutting width and 5 adjustable heights from 25mm to 75mm, it’s perfect for small to medium-sized lawns. Weighing only 12.7kg, it’s easy to handle and features a tough polymer deck for durability. Front & side combs help deliver a cleaner cut, while the included mulch plug offers an eco-friendly way to feed your lawn. A 40ltr grass bag means fewer stops to empty clippings.
- Battery: 1x 40v 4Ah Li-ion Max+ - Charger: 1x Standard Charger Max+ - Motor: Brushed - Drive: Hand Propelled - Cutting Width: 38cm / 15" - Cutting Height: 25 - 75mm / 5 Stage - Collection System: 2-in-1 / Collect & Mulch - Grass Bag Capacity: 40L - Grass Bag Full Indicator: Yes - Run Time: Long run time (dependent on conditions) - Approx Charge Time: Quick charging
The Cobra MX3840VX is a lightweight, hand-propelled cordless lawnmower powered by the advanced 40V MAX+ Li-ion battery system. With a 38cm cutting width and 5 adjustable heights from 25mm to 75mm, it’s perfect for small to medium-sized lawns. Weighing only 12.7kg, it’s easy to handle and features a tough polymer deck for durability. Front & Side combs help deliver a cleaner cut, while the included mulch plug offers an eco-friendly way to feed your lawn. A 40ltr grass bag means fewer stops to empty clippings.
Cobra MX3840VX Feature Highlights:
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40V MAX+ BATTERY SYSTEM
The COBRA 40V MAX PLUS batteries are a step ahead of the competition in terms of technology and innovation. Our intelligent technology is carefully embedded into the battery pack design, resulting in a longer lasting and more efficient battery. The 40V Max+ batteries offer several advantages: one battery fits all 40V Max+ tools, they deliver high-performance power, run longer, and recharge faster.
run longer, and recharge faster.
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38cm / 15" CUTTING DECK
The Cobra M3840VX lawnmower features a robust 15" cutting deck, making it an excellent choice for small to medium-sized lawns. This cutting deck size allows for efficient and precise mowing, ensuring a clean, even cut with each pass. The 15" width strikes a perfect balance between manoeuvrability and coverage.
ONE BATTERY - ENDLESS POTENTIAL
This Cobra 40v MAX PLUS advanced lithium-ion technology powers a comprehensive range of garden tools, including lawnmowers, strimmers, blowers, chainsaws, and a versatile 5-in-1 multi-tool. The 40V MAX PLUS battery is engineered for seamless compatibility across Cobra’s entire 40VX range.
Having owned many other Cobra hand tooIs, I recently made the exciting decision to invest in a Cobra lawnmower, and I must say, it has exceeded all my expectations. This remarkable machine has truly transformed the way I approach lawn care, serving as an indispensable tool for producing a beautiful finish on my lawn.
David Jones - 10/10
Outstanding Customer Service & After Sales Care
My experience with Cobra's customer service has been nothing short of exceptional, earning them a well-deserved five-star rating. From the moment I reached out with inquiries about their products to the post-purchase support, Cobra's customer service team has consistently gone above and beyond to ensure my satisfaction. They are knowledgeable, courteous, and genuinely dedicated to helping customers find the perfect solution for their lawn care needs.
Nicola Bicknell - 10/10
See the MX3840VX in Action:
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LIGHTWEIGHT DESIGN
The Cobra MX3840VX lawnmower is built with a lightweight yet durable polymer deck, weighing just 12.7kg (without battery). This clever construction significantly reduces the overall weight of the mower, making it easier to handle and manoeuvre around the garden. In addition to its lightweight benefits, the tough polymer material offers excellent durability and resistance to corrosion, ensuring the mower stands up well to regular use.
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25-75mm CUT HEIGHTS
Choose the Cobra MX3840VX for maximum versatility with its fully adjustable 5 cutting heights, ranging from 25mm to 75mm — perfect for achieving everything from a clean, close cut to managing thicker, overgrown grass. Height adjustment is quick and effortless thanks to the centrally positioned single height-of-cut lever, allowing you to switch between settings with ease and precision.
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ERGONOMIC CONTROLS
The ergonomic operator controls on the Cobra MX3840VX are thoughtfully designed with both user comfort and safety in mind. Positioned intuitively for ease of use, these controls offer precise handling and complete control while mowing. Whether you're working around flower beds, tight spaces, or tackling uneven ground, the well-balanced layout helps minimise fatigue and ensures a comfortable, secure grip from start to finish.
re-cutting the clippings.
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HANDLE ANGLE ADJUSTMENT
The Cobra MX3840VX features infinate handle angle adjustments, allowing for personalised comfort for operators of all heights. It also has has the added benefit of folding handles making storage in your garage or shed even easier.
Folding handles produce a much smaller footprint of the mower enabling you to store it in areas with restricted space.
