Cobra RM51SP80VX Twin 40V MAX+ Self-Propelled Rear Roller Cordless Lawn Mower (with 2 x 40V 4Ah Batteries & 2 x Fast Chargers)

40V MAX+ battery system

Built 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.

51cm / 20" cutting deck

The 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 finish

Equipped 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.

17-75mm cut heights

With 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 RM51SP80VX delivers 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 drive

The 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.

Ergonomic controls

The 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 control

The 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.

70 litre grass bag capacity

The 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.