Mountfield Empress 51 S Li Kit Battery Powered Walk Behind Mower


The Empress 51 Li is the largest battery-powered mower in the freedom500 range. With an impressive 51cm cutting width, robust steel chassis and Powered by STIGA E-Power, this self-propelled, 4-in1 mower is ideal for a large-sized lawn. Batteries and chargers are included.

  • Powered by Stiga E-POWER 48V Lithium-ion batteries
  • Self-propelled fixed forward speed 3.7 km/h
  • 51 cm cutting width
  • 60-litre hybrid grass collector
  • 2-Year Warranty
  • 2 x 5Ah batteries & dual charger included

£629.00 £703.00

The freedom500 Empress range of lawn mowers are designed to make mowing easy! The self-propelled Empress 51 Li with a fixed forward speed of 3.7km/h offers a wider 51cm cutting width along with 4 cutting methods making it the perfect mower for larger gardens.

Powered by Stiga E-Power the two 48V lightweight Lithium-ion batteries and 1500W brushless motor work in harmony to deliver powerful, efficient, and reliable performance without the need for petrol. The two 48V 5Ah batteries that are included can be charged in just 165mins using the dual charger.

The Empress 51 Li offers 4 cutting methods giving you the choice to either collect the grass clippings in the spacious 60-litre hybrid grass catcher, side or rear discharge the cuttings or simply mulch using the mulching plug included – adding vital nutrients back onto the lawn.

Other features include 6 different cutting heights ranging from 22-80mm that can be selected using a centralised lever along with a robust steel chassis for maximum durability. The Empress 51 Li offers a cleaner, greener mowing solution without compromising on power and performance making it the ideal mower for large-sized gardens up to 600sqm with a run time of up to 25 mins.

This mower is backed up with a 2-year manufacturer’s warranty.

Weight37 kg


Series500 Series
Power1.5 kW
Battery capacity2 x 5 Ah
Power sourceLithium-ion battery
Battery kitIncluded
Voltage48 V
Lithium battery nominal energy432 Wh
Number of batteries2
Maximum working area600 m²
Cutting methodCollecting, Mulching, Side discharge, Rear discharge
4 in 1 cutting systemYes
Mulching functionYes
Cutting width
51 cm
Deck materialSteel
Cutting height adjustmentCentralized
Cutting height positions6 positions
Cutting height range22 – 80 mm
TractionRear-wheel drive
Speed forward3.7 Km/h
Collector capacity60 l
Handlebar typeErgonomic with double hand switch and cam locks
Wheels200/280mm grooved wheels on ball bearings with soft tread
Front handleYes
Adjustable handlebarYes
Foldable handlebarYes
Collector typeHybrid with warn
Battery chargerDual standard
Battery charger plug typeBS (Type G)
Measured sound power level dB(A)
Vibration level hand (m/s²)< 2.5
Guaranteed sound power level (LwA) – dB(A)98
Measured sound pressure level at operator ear dB(A)83.7
Pack weight36.5 kg
Product length1675 mm
Product width710 mm
Product height1075 mm
Weight29 kg