The empress 41 li is part of the 48v freedom 500 series from mountfield'. '.strtoupper('t')his cordless mower offers a rear roller, steel deck and self propelled drive'. '.strtoupper('b')attery power is quieter and cable free'. '.strtoupper('t')he lack of emissions will work towards reducing your household’s carbon footprint and also benefits from fewer running costs'. '.strtoupper('r')oller empress 41 li features 48v lithium battery power with 2 batteries 1500w brushless motor 41cm steel deck self propelled drive 150mm rear roller cutting heights 20 – 70 mm ball bearing mounted front wheels the 41cm robust steel deck has an anti scalp plate for protecting the mower and turf'. '.strtoupper('t')he self propelled drive moves the mower forward without any effort to push'. '.strtoupper('t')he ample 55 litre grass collector is constructed with a sturdy hard top and aerated fabric bag, it also incorporates a grass bag full indicator to avoid over filling'. '.strtoupper('u')sing the recommended 48v batteries the empress 41 li is suitable for gardens up to 550sqm with a run time dependent on conditions of 35mins.