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Advanced battery power

Built into every E-Series mower

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Exceptional performance, every time

Built with precision at every stage

Every Dennis E-Series mower is powered by a battery designed specifically for the demands of professional turf care. Built in the UK and engineered to work seamlessly with our machines, each battery combines high-density cells, intelligent battery management and rigorous testing to deliver dependable runtime and consistent performance. From initial design through to manufacture and validation, every stage is focused on quality, reliability and giving grounds professionals confidence in their equipment, day after day.

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Unique Battery Management System (BMS)

Outstanding weld quality & precision

Custom built in the UK

Robust performance testing

Exceptional quality from design through to battery performance



High-density NMC cells for longer runtime

Specially selected high quality, high density cells, providing more hours of operation between charges.

Precision laser welding for maximum reliability

Precision laser welding ensures the strongest cell and module connections for reliability, efficiency, and battery longevity; with consistently strong and unbreakable joints throughout the pack.

Tailored BMS performance & safety

Unique Battery Management System (BMS) tailored to our exact requirements, delivering unparalleled performance while optimising safety.

Certified, tested & proven reliability

UKCA certified, rigorously tested for shock, vibration, thermal extremes, cycling and humidity, with full verification for traceability and confidence.

Our batteries

NOMINAL VOLTAGE // 48V

PEAK DISCHARGE // 116Ah

CAPACITY // 116Ah

CHARGE RATE // 58Ah

IP67 rated & UKCA certified

Power our way

To deliver the cutting performance professionals expect from Dennis, we have developed a battery system engineered specifically for the demands of fine turf maintenance. Designed to our exact specifications, every battery is built in the UK, from cell selection and module assembly to the battery casing and our proprietary Battery Management System (BMS).

With all Dennis E-Series machines you can expect:

A long run time

Recharge in under 2 hours

Low running costs

Minimal emissions & noise

Minimal hand to arm vibrations (HAV's)

  • Intentional cell selection

    Each prismatic cell is specifically selected to ensure the highest quality and optimum performance for our machines.

  • Custom module production

    Market leading construction that includes laser welding, plasma cleaning, heat staking and precision gantry integration

  • An individual approach to pack creation

    Custom designed battery casing for unparralled performance and battery longevity

  • Robust & exhaustive testing

    All batteries have UKCA certification and are rigorously tested for: shock, vibration, thermal extremes, humidity, altitude, short circuit/cycling

  • Quality control

    Cell, module and pack verification testing is completed. Each battery features a unique serial number for full traceability.

  • Exceptional performance every time

    Expect exceptional performance, low hand to-arm vibrations and longer run time for every E-Series mower.

The E-Series

With professional battery life and range, ultra low noise and vibration, Dennis E-Series mowers are an uncompromising low CO2 alternative to petrol machines. Precision engineered for exceptional performance the Dennis E-Series can also support turf professionals with their sustainability and environmental initiatives.

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ES-20, ES-24 & ES-26

The ES-20, ES-24 and ES-26 are our range of ultra quiet, low vibration and easy to use battery mowers. Available with 7 or 10 bladed cylinders, these mowers provide maximum performance whether cutting around complex shaped lawns or sporting surfaces that require a fine cut.

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ES-30, ES-36

The Dennis ES-30 and ES-36 are 30”(760mm) and 36” (910mm) battery powered mowers built on the foundations of the long established Dennis Premier, a favourite amongst many grounds staff.

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ES-22

The Dennis ES-22 Ultra is a quiet battery mower with a 560 mm (22”) cutting width. With its 7 or 11 bladed cylinder and ‘no tools’ required height of cut control, the ES-22 Ultra provides an ultra fine finish for that desired playing surface can be achieved.

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ES-22 Ultra

The ES-22 Ultra, a dedicated battery mower providing an ultra fine finish on bowling greens, golf greens and tees, and cricket pitches.

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ES-34R Rotary Mower

The Dennis ES-34R is a 34” (860mm) battery powered twin blade rotary mower for fine turf cutting and cleaning up operations. Zero-emission performance with twin-blade collection system for football, rugby and cricket surfaces.

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ES-34SL | Dennis ES-34SL

The ES-34SL by Dennis is a 34” battery-powered cylinder mower for fine turf. Lightweight and precise with 0.1 mm height adjustment, 10-hour runtime and consistent stadium-quality presentation.

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ES-510, ES-610

Dennis ES-510 and ES-610 E-Series electric cylinder and cassette mowers for fine turf maintenance. Professional cassette system for precision cutting, scarifying and grooming on golf greens, bowls, lawns and sports turf. Available in 20” (510 mm) and 24” (610 mm) these battery powered mowers utilise the same range of interchangeable cassettes as the Dennis FT.

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Dennis ES-760, ES-860 - Cylinder Mowers

The ES-760 and ES-860 are 30” (760 mm) and 34” (860 mm battery powered turf maintenance systems which build on our considerable experience of the Dennis G-Series machines. Incorporating the same wide range of interchangeable cassettes to cut, scarify, verticut, brush and surface spike.

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