- Bowls
- Croquet
- Tennis
- Cricket
- Golf
- Lawns
- Noise-sensitive zone
- Education & Local Authority
Performance you can rely on
The Dennis ES-20, ES-24 and ES-26 are dedicated electric battery-powered cylinder mowers designed to be quiet, have low hand arm vibrations, easy to use, with superb balance and control.
Engineered for ease of use, this range of battery mowers for turf maintenance features 6 or 10 blade cylinder options to suit different playing surface requirements, from close-cropped competitive turf to fine ornamental finishes. The battery recharge is rapid at only 2-3 hours and the ES-20, ES-24 and ES-26 are capable of cutting over 10km on a single charge. This quick turn around helps grounds professionals maintain productivity with minimal downtime all while achieving a high-quality, even cut across complex and sensitive surfaces.
Available with a standard front roller for maintaining fine turf sports surfaces or with a larger diameter front roller, becoming the ideal mower for maintaining ornamental lawns and gardens.
- 1.5KWh battery with rapid 2-3 hour recharge
- Low maintenance, very low lifetime costs
- Huge cost savings on fuel
- Available with 6 or 10 bladed cylinders
- Capable of cutting in excess of 10km on a single charge
- Ultra low HAV’s and noise allows for full day usage in any environment
- Simple adjustment of bottom blade to cylinder
- Easy to remove battery pack with quick release lever
- Electric motors situated inside tubular framework for maximum protection
- Back lapping as standard
- Choice of two adjustable handlebar styles for operator comfort
- Easy connect/disconnect battery to electrical system
- Slow take up speed for smooth set off
- Maintained clips per metre at any forward speed - self adjusting cylinder RPM
Specification
ES-20, ES-24 & ES-26
Specification ES-20 ES-24 ES-26 Cutting width 510mm (20”)
610mm (24”)
660mm (26”)
Height of cut 3 mm – 20 mm
3 mm - 20 mm
3 mm - 20 mm
Number of blades 6 or 10
6 or 10
6 or 10
Cylinder diameter 140 mm
140 mm
140 mm
Working width 510 mm / 20 inches
610 mm / 24 inches
660 mm / 26 inches
Grassbox volume 97 L
110 L
122 L
Width 760 mm
860 mm
910 mm
Height 1075 mm
1075 mm
1075 mm
Length 1220 mm
1220 mm
1220 mm
Rear roller diameter 200 mm
200 mm
200 mm
Front roller diameter 89 mm
89 mm
89 mm
Speed range - Forward - 2.0-8.5 km/h
- Reverse - 1.5 km/h
- Forward - 2.0-8.5 km/h
- Reverse - 1.5 km/h
- Forward - 2.0-8.5 km/h
- Reverse - 1.5 km/h
Drive system 5' V Belt
5' V Belt
5' V Belt
Power source/output - 48V battery system
- 1.2 kW (cylinder) & 630 W (rear roller)
- 48V battery system
- 1.2 kW (cylinder) & 630 W (rear roller)
- 48V battery system
- 1.2 kW (cylinder) & 630 W (rear roller)
Recharge 2 - 3 hours
2 - 3 hours
2 - 3 hours
Runtime on a single charge 10 km on a single charge
10 km on a single charge
10 km on a single charge
Powered transport wheels
ES-20: D158/WK
ES-24: D161/WK
ES-26: D152/WKLighting Kit
Code: 800738
T-Bar Handlebar
Code: 800821
Additional battery pack
Code: D163
Charger 650 Watt
E-Series 650 Watt Charger with rapid 2 hour recharge time
In detail:
Code: D172
Output: 140
Voltage: 115-230
Frequency: 50-60
Dimensions: 520 mm width | 1120 mm length | 1070 mm heightChargers are not supplied with the mower and must be added as an option. Can also be supplied as a spare.
10 Bladed Cylinder
Codes:
ES-20: D058/10
ES-24: D061/10
ES-26: D162/10
Power, Precision, and Performance — An In-depth Look at the Dennis ES-20, ES-24 and ES-26 Battery Fine Turf Mowers
View ArticleThe Dennis ES-20, ES-24 and ES-26 are part of a new generation of professional battery-powered cylinder mowers, combining quiet, low-vibration operation with the precision cutting performance that has made Dennis a trusted name across fine turf sports and ornamental grounds.
Dennis to Exhibit E-Series at GroundsFest 2024
View ArticleDennis is set to make a significant impact at GroundsFest 2024, showcasing an impressive range of battery-powered products on stand 50 in Hall 2 at Stoneleigh Park, Warwickshire, on September 10 and 11.
Electrifying E-Series on Display at BTME
View ArticleDennis Mowers is set to make a significant impact at BTME 2024, in a new stand position, taking place at the Harrogate Convention Centre from January 23 to 25.
Electrifying Dennis E-Series at GroundsFest
View ArticleDennis will be showcasing a wide-range of pedestrian battery-powered products on stand 50 in hall 2 at GroundsFest 2023.
The E-Series is coming to BTME
View ArticleDennis and SISIS will be introducing their new and exciting range of environmentally friendly turf maintenance machinery to the golf market at BTME 2022.
Dennis and SISIS Launch New E-Series Products at SALTEX 2021
View ArticleBritish manufacturers Dennis and SISIS have chosen SALTEX 2021, to be held at the NEC Birmingham on 3 and 4 November, to showcase the E-Series - a new range of battery-powered turf maintenance equipment.
Precision performance. Proven reliability.
The ES-20, ES-24 and ES-26 are a range of ultra quiet, low vibration and easy to use battery mowers that builds upon many of Dennis proven designs. 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.
Ideal for: Bowls, Croquet, tennis | Cricket | Golf | Lawns | Amenity
Rapid re-charge in 2-3 hours
Back lapping as standard
Easy to remove battery with quick release lever
Capable of cutting in excess of 10km on a single charge
Available with 7 or 10 bladed cylinders
Slow take up speed for smooth set off
Easy adjustment of bottom blade to cylinder
Choice of two adjustable handlebar styles
Lightweight 97L Gassbox
Large smooth rear roller
Easy to use keypad controls
Maintained clips per metre at any forward speed
FAQ
- What is the difference between the ES-20, ES-24 & ES-26?
The cutting widths; ES-20 = 20'' (510mm), ES-24= 24'' (610mm), ES-26= 26'' (660mm)
- What is the battery specification?
The mowers use a 48V, 1.5kWh lithium-ion battery pack, designed for high-discharge rates and extended runtime.
- What is the typical range on a single charge?
The ES-20, ES-24 and ES-26 are capable of cutting in excess of 10km of turf per charge under normal operating conditions.
- How long is the recharge time from empty to full?
Approximately 2–3 hours using the supplied high-efficiency charger.
- What is the height of cut range?
3 mm – 20 mm
- What cylinder cassettes are available?
Models can be fitted with 7-blade or 10-blade cylinders for different clip rates and turf conditions.
- Is back lapping integrated?
Yes – the mowers have an integrated back lapping function accessible via control panel input, eliminating the need for external drive units
- Do you need tools to change the height of cut?
No - this is a toolless change so HOC can be changed in the middle of the pitch- easy click height adjustment
- Do these models take different turf cassettes?
No - these models are cutting units only. Check out the ES-510 and ES-610 for an interchangeable cartridge mower.
Have more questions? Get in touch
Latest news
Tuesday 16 June 2026
Power, Precision, and Performance — An In-depth Look at the Dennis ES-20, ES-24 and ES-26 Battery Fine Turf Mowers
