The g40dc40 cordless 40v pressure washer from greenworks is powered by a 650w motor and the g max battery range. Batteries are available in 2ah, 4ah and 6ah options, these high performance lithium ion batteries offer run times of 30 minutes with the 2ah and recharge quickly. battery powered machines offer the user the ability to move around the garden without trailing wires with the added bonus of being environmentally friendly and quiet. ideal for removing dirt and grime from cars, caravans, boats and driveways. Easy to refill and fully portable. Pulls water from the on board 20 litre water tank plus other sources such as water butts, lakes and camping water bottles. Includes a foamy spray noxxle, pressure noxxle and turbo nozzle. With a maximum pressure of 70 bar and a flow rate of 300 litre for hour. please note battery and charger not included available as optional extras. specificationmotor 650wmax pressure 70 barflow rate 300 l hwater tank 20 litre on boardhose 6m high pressuretotal stop systemthermal motor protection systemwarranty 2 year