{"data":{"slug":"dreame-l40s-ultra","type":"robot_vacuum","brand":"Dreame","name":"L40s Ultra","aliases":["Dreame L40s Ultra Robot Vacuum and Mop","Dreame L40s Ultra Robot Vacuum","RLL22SE"],"release_date":"2025-08","url":"https://arkivo.dev/robot-vacuums/dreame-l40s-ultra","specs":{"series":"L Series","model_numbers":["RLL22SE","010204AA000742","010204AA000823"],"gtins":["00850070805063","00850070805070"],"announce_date":"2025-08-13","status":"available","predecessor":null,"successor":null,"launch_price_usd":1399.99,"launch_price_eur":null,"markets":["US"],"colors":["White","Black"],"manufacturer_url":"https://www.dreametech.com/products/l40s-ultra-robot-vacuum","spec_sheet_url":null,"manual_url":null,"eprel_registration_number":null,"warranty_years":3,"suction_pa":19000,"suction_power_aw":null,"main_brush_count":2,"main_brush_material":"rubber_and_bristle","main_brush_name":"HyperStream Detangling DuoBrush","main_brush_lift":false,"side_brush_count":1,"side_brush_extending":true,"side_brush_lift":true,"max_carpet_pile_mm":null,"dustbin_capacity_ml":310,"filter_type":null,"washable_filter":null,"navigation":"lidar_turret","navigation_name":"Pathfinder Smart Navigation (LDS)","obstacle_avoidance":"Single-Laser 3D Structured Light (3DAdapt)","ai_object_recognition":false,"object_types_recognized":null,"dirt_detection":false,"max_threshold_mm":22,"max_threshold_double_mm":40,"mop_type":"spinning_pads","mop_extending":true,"mop_lift_mm":10.5,"mop_auto_detach":true,"mop_downforce_n":null,"mop_speed_rpm":null,"water_tank_capacity_ml":null,"water_flow_levels":null,"dock_type":"auto_empty_and_mop_washing","dock_features":["hot_air_drying","auto_detergent","robot_tank_refill","self_cleaning_wash_tray"],"dock_water_supply":"tanks_plumbing_kit_optional","dock_dust_container":"bag","dock_dust_capacity_l":3.2,"dock_dust_storage_days":100,"dock_clean_water_tank_l":4.5,"dock_dirty_water_tank_l":4,"mop_wash_temp_c":75,"mop_drying_temp_c":null,"battery_capacity_mah":5200,"battery_voltage_v":14.4,"rated_power_w":75,"runtime_max_min":220,"charge_time_0_100_min":210,"recharge_and_resume":true,"noise_claimed":[{"activity":"vacuum","suction_mode":"Quiet","noise_dba":55},{"activity":"vacuum","suction_mode":"Turbo","noise_dba":72},{"activity":"dock_emptying","suction_mode":null,"noise_dba":80}],"wifi_standard":null,"wifi_bands":["2.4ghz"],"bluetooth_version":null,"matter":false,"voice_assistants":["Amazon Alexa","Google Assistant"],"built_in_voice_control":false,"companion_app":"Dreamehome","max_saved_maps":4,"live_video":false,"measured_suction_kpa":null,"measured_airflow_cfm":null,"measured_carpet_sand_pickup_pct":92,"measured_pet_hair_pickup_pct":91,"measured_max_threshold_mm":null,"measured_obstacles_avoided":7,"measured_area_per_charge_m2":179.77,"body_shape":"round","width_mm":350,"depth_mm":350,"height_mm":97,"height_sensor_raised_mm":null,"weight_kg":4.1,"dock_dimensions_mm":{"width_mm":340,"depth_mm":457,"height_mm":590},"dock_weight_kg":9.2,"fcc_ids":null,"other_certifications":null,"in_the_box":["Robot Vacuum x1","Base Station x1","Main Brush (pre-installed) x1","Brush Guard (pre-installed) x1","Side Brush (pre-installed) x1","Scale Inhibitor (pre-installed) x1","Dust Box (pre-installed, including dust box filter) x1","Mop Pad Holders x2","Mop Pads x2","Dust Bags (pre-installed x1) x2","Cleaning Tool x1","200ml Cleaning Solution x1","Base Station Ramp Extension x1","Quick Start Guide x1","User Manual x1"]},"variants":[{"model_number":"010204AA000742","gtin":"00850070805063","markets":["US"],"colors":["White"],"launch_price_usd":1399.99},{"model_number":"010204AA000823","gtin":"00850070805070","markets":["US"],"colors":["Black"],"launch_price_usd":1399.99}],"sources":[{"url":"https://www.dreametech.com/products/l40s-ultra-robot-vacuum","kind":"manufacturer_page","accessed":"2026-10-15","fields":["series","model_numbers","gtins","colors","manufacturer_url","warranty_years","suction_pa","main_brush_count","main_brush_material","main_brush_name","main_brush_lift","side_brush_count","side_brush_extending","side_brush_lift","dustbin_capacity_ml","navigation","navigation_name","obstacle_avoidance","ai_object_recognition","dirt_detection","max_threshold_mm","max_threshold_double_mm","mop_type","mop_extending","mop_lift_mm","mop_auto_detach","dock_type","dock_features","dock_water_supply","dock_dust_container","dock_dust_capacity_l","dock_dust_storage_days","dock_clean_water_tank_l","dock_dirty_water_tank_l","mop_wash_temp_c","battery_capacity_mah","runtime_max_min","recharge_and_resume","built_in_voice_control","companion_app","max_saved_maps","body_shape","width_mm","depth_mm","height_mm","weight_kg","dock_dimensions_mm","dock_weight_kg","in_the_box","launch_price_usd","markets","variants"],"notes":{"series":"Listed in the L Series menu of the Dreame US store. The L40s family has three models, L40s Ultra, Ultra AE and Ultra CE, with different hardware","model_numbers":"US store SKUs 010204AA000742 (White) and 010204AA000823 (Black). RLL22SE is the robot model code from SmartHomeCompared and a reseller copy of the user manual. No maker page states it","gtins":"Barcodes 00850070805063 (White) and 00850070805070 (Black) in the US store variant data","colors":"Variant options White and Black","warranty_years":"3-Year Warranty on the US store page","suction_pa":"19,000Pa Vormax suction, in-house lab data","main_brush_count":"The HyperStream Detangling DuoBrush has two rolls, a bristled rubber brush and a TPU rubber brush. The maker's comparison blog calls them counter-rotating rollers","main_brush_material":"Rubber brush with bristles plus a TPU all-rubber brush","main_brush_lift":"The comparison table marks Main Brush Lifting absent for the L40s Ultra and present for the AE and CE. The spec table has no such row. The comparison blog says the mops lift and the brush stays down","side_brush_count":"The in-box list has one side brush. The maker's comparison blog says all L40 models use one side brush","side_brush_extending":"Spec table: Side Brush Extending yes","side_brush_lift":"Spec table: Side Brush Lifting yes","dustbin_capacity_ml":"Spec table: Dust Box Capacity 310ml. The comparison table says at least 300ml","navigation":"Spec table: Pathfinder Smart Navigation. The comparison table lists navigation LDS, a laser distance sensor. The height of 97 mm includes the turret, as for the other L Series models","obstacle_avoidance":"Comparison table: Single-Laser 3D Structured Light. The spec table says 3D Structured Light","ai_object_recognition":"Comparison table: the L40s Ultra has single-laser structured light only, with RGB AI listed for the AE. The maker's comparison blog says it detects obstacles by shape and depth without identifying them","dirt_detection":"Comparison table: Dirt Detection and AI Dirt Detection are marked absent for the L40s Ultra","max_threshold_mm":"0.87 in (22 mm) single-layer step with the auxiliary wheels. In-house lab data","max_threshold_double_mm":"1.57 in (40 mm) double-layer step where the gap between the two layers is more than 1.18 in (30 mm). In-house lab data","mop_type":"Dual Spinning Mops","mop_extending":"Spec table: Mop Extending yes","mop_lift_mm":"0.41 in (10.5 mm), the height between the ground and the lifted pads. Footnote: based on in-house lab data","mop_auto_detach":"Spec table: Mop Removal yes. Comparison table: Mop Automatic Removal yes. Mops are removed for long-pile carpets","dock_type":"Dock empties the dust box, washes the mop pads and dries them","dock_features":"Spec table: Hot Air Drying, Auto Solution Adding, Auto Tank Water Refilling and a self-cleaning washboard (AceClean DryBoard)","dock_water_supply":"Clean and used water tanks. Footnote: a Water Hookup Kit is available for separate purchase and support may vary by region. The maker's review blog says the same","dock_dust_container":"Dust bag in the dock, two bags in the box","dock_dust_capacity_l":"3.2L dust bag","dock_dust_storage_days":"Up to 100 days. Footnote: based on a calculation derived from environment testing in the maker's lab, conditions not stated","dock_clean_water_tank_l":"Spec table: Clean/Used Water Tank Capacity 4.5L/4.0L","dock_dirty_water_tank_l":"Same row as the clean tank","mop_wash_temp_c":"Auto Mop Cleaning with Hot Water 167°F, which is 75 C. Footnote: base station water outlet temperature up to 167°F after heating, at about 73.4°F room temperature","battery_capacity_mah":"Spec table: 5,200mAh. Footnote: based on in-house lab data","runtime_max_min":"Up to 220 minutes. Footnote: tested in vacuuming mode under quiet suction","recharge_and_resume":"Page text: returns to the dock for recharge and resumes cleaning from where it left off","built_in_voice_control":"Spec table: Voice Control Third-Party. Comparison table: Direct Voice Control absent","companion_app":"Dreamehome App Control section","max_saved_maps":"Navigate and Map section: Fast Mapping (4 Maps)","body_shape":"Spec table lists 13.78 x 13.78 in. Round body in the maker photos","width_mm":"Spec table: 13.78 x 13.78 x 3.82 in, which is 350 x 350 x 97 mm. The page says dimensions may vary by up to 0.08 in","depth_mm":"See width note","height_mm":"3.82 in = 97 mm. The LDS turret is fixed and included","weight_kg":"Spec table: Robot Vacuum Weight 9.04 lbs = 4.10 kg","dock_dimensions_mm":"Spec table: Base Station Dimensions 13.39 x 17.99 x 23.23 in, which is 340 x 457 x 590 mm in width, depth, height order. Depth follows the other Dreame docks. The ramp extension in the box is not described","dock_weight_kg":"Spec table: Base Station Weight 20.28 lbs = 9.20 kg","in_the_box":"What's in the Box list on the US page","launch_price_usd":"US store regular price $1,399.99, sale price $569.99. Excludes tax","markets":"US store","variants":"White and Black US SKUs with their own barcodes, same price"}},{"url":"https://www.dreametech.com/blogs/news/dreame-l40s-series-robot-vacuum-launch","kind":"press_release","accessed":"2026-10-15","fields":["release_date","announce_date","status","launch_price_usd","voice_assistants","max_threshold_mm","max_threshold_double_mm"],"notes":{"release_date":"Launch article dated 2025-08-13 says the L40s Series is available now in the US through the Dreame website and Amazon","announce_date":"Article date 2025-08-13","status":"Sold at the Dreame US store and Amazon in October 2026","launch_price_usd":"L40s Ultra MSRP $1,399.99. L40s Ultra AE $1,099.99 and CE $899.99","voice_assistants":"Compatible with third-party voice assistants (Alexa, Google Assistant)","max_threshold_mm":"Footnote: for a single-layer step the maximum height is 22mm","max_threshold_double_mm":"40mm is the height of a double-layer step where the gap between the two layers exceeds 3cm"}},{"url":"https://www.dreametech.com/blogs/blog/dreame-l40s-ultra-review","kind":"manufacturer_page","accessed":"2026-10-15","fields":["noise_claimed","max_saved_maps"],"notes":{"noise_claimed":"Dreame's own review article dated 2025-08-10: Quiet mode roughly 55 dB, Turbo (Max) about 70-72 dB at the robot, dock emptying about 80 dB. The top of the range, 72, is stored. The standard mode is only called the low 60s and is not stored. No weighting or test method is stated","max_saved_maps":"The robot can save up to 4 floor maps"}},{"url":"https://www.dreametech.com/blogs/blog/robot-vacuum-comparison-l40-l40s-ultra-ae-ce","kind":"manufacturer_page","accessed":"2026-10-15","fields":["live_video"],"notes":{"live_video":"Comparison table row Remote Video Viewing: no for the L40s Ultra, which has no camera"}},{"url":"https://teamplush.by/en/product/dreame-l40s-ultra/","kind":"retailer","accessed":"2026-10-15","fields":["battery_voltage_v","rated_power_w","charge_time_0_100_min","wifi_bands"],"notes":{"battery_voltage_v":"Reseller copy of the user manual specifications: robot model RLL22SE, rated voltage 14.4 V DC. 5,200 mAh at 14.4 V is 74.9 Wh","rated_power_w":"Robot rated power 75 W in the same table. The base station model is RCLE0305","charge_time_0_100_min":"Full charge time approximately 3.5 hours, stored as 210 minutes. SmartHomeCompared also lists 3.5 hours. Dreame's review article says roughly 4 hours","wifi_bands":"Operating frequency range 2400-2483.5 MHz and only 2.4 GHz networks are supported"}},{"url":"https://www.amazon.com/dp/B0DYSXC9X9","kind":"retailer","accessed":"2026-10-15","fields":["dock_features"],"notes":{"dock_features":"Bullet text: the dock rinses the mop pads with 167°F hot water, dries them and refills solution and water. The Amazon item details give model number RLL77SE, which conflicts with RLL22SE and is not stored"}},{"url":"https://vacuumwars.com/dreame-l40s-series-review/","kind":"review_site","accessed":"2026-10-15","fields":["measured_carpet_sand_pickup_pct","measured_pet_hair_pickup_pct","measured_obstacles_avoided","measured_area_per_charge_m2"],"notes":{"measured_carpet_sand_pickup_pct":"Vacuum Wars carpet deep clean test, sand embedded in carpet: L40s Ultra 92 percent, average 75 percent. Review last updated 2026-09-16","measured_pet_hair_pickup_pct":"Vacuum Wars 2.5-inch flattened pet hair on carpet test: 91 percent","measured_obstacles_avoided":"Vacuum Wars standard and torture obstacle tests: 7 of a possible 24 objects","measured_area_per_charge_m2":"Chart: 1,935 sq ft times 0.09290304 = 179.77 m2. Battery efficiency 2.10 min per percent and navigation efficiency 0.85 m2 per min. The page does not repeat the power setting"}},{"url":"https://smarthomecompared.com/robot-vacuums/dreame-l40s-ultra","kind":"spec_database","accessed":"2026-10-15","fields":["model_numbers","matter"],"notes":{"model_numbers":"SmartHomeCompared lists Model RLL22SE and Launch Year 2025","matter":"The review says this model has no Matter or native Apple Home support"}},{"url":"https://vacuumchef.com/dreame-l40s-ultra-review-powerful-suction-smart-mopping-real-world-performance-tested/","kind":"review_site","accessed":"2026-10-15","fields":["built_in_voice_control","voice_assistants"],"notes":{"built_in_voice_control":"Review notes there is no built-in voice assistant","voice_assistants":"Alexa and Google Assistant, as in the maker's launch article"}}],"fields_filled":65,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}