ManufacturerMiraiKikai, Inc.Robot model · No. 3

Type2W

Cleaning Robots · Cleaning & Facility Maintenance

CommercialJapan

Key fact2,900–3,300 mm · 4,300 × 1,000 × 660 mm (L × W × H)

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Model details

Model specifications

3 m Compatible Solar Array Width2,900–3,300 mm

3 m Configuration Dimensions4,300 × 1,000 × 660 mm (L × W × H)

3 m Configuration Weight70 kg maximum excluding battery

4 m Compatible Solar Array Width3,800–4,200 mm

4 m Configuration Dimensions5,200 × 1,000 × 650 mm (L × W × H)

4 m Configuration Weight80 kg maximum excluding battery

5 m Compatible Solar Array Width4,700–5,100 mm

5 m Configuration Dimensions6,100 × 1,000 × 640 mm (L × W × H)

5 m Configuration Weight90 kg maximum excluding battery

Assembly MethodModular brush sections assembled onsite

Automatic ChargingNot publicly disclosed/verified

Automatic DockingNot publicly disclosed/verified

AvailabilityCommercially Not Available

Battery CapacityNot publicly disclosed/verified

Battery ChemistryLithium-ion

Battery ConfigurationRemovable rechargeable battery

Battery VoltageNot publicly disclosed/verified

Charging TimeApproximately 5 hours

Cleaning MediumWater supplied through connected hose

Cleaning MethodRotary wet brush

Cleaning Productivity2,160 m²/hour for 4 m configuration

Commercial Product NameSolar Panel Cleaning Robot Type2W

Exact ModelType2W

Fixed Guidance RailsNot required

IP Protection RatingNot publicly disclosed/verified

Maximum Travel SpeedNot publicly disclosed/verified

NationalityJapan

Navigation SystemAutonomous photovoltaic-array travel; exact navigation sensors not publicly disclosed/verified

Obstacle AvoidanceNot publicly disclosed/verified

Operating Panel Inclination5–30°

Operating RuntimeNot publicly disclosed/verified for Type2W

Operating Temperature-10°C to +45°C

Product Configurations3 m, 4 m and 5 m nominal cleaning-length versions

Robot TypeAutonomous wet-brush photovoltaic cleaning robot

Sensor ConfigurationNot publicly disclosed/verified for Type2W

Target ContaminantsSand and dust

Water ConsumptionNot publicly disclosed/verified

Water Supply PressureNot publicly disclosed/verified

About the Type2W

Type2W is an autonomous wet-brush solar-panel cleaning robot developed by MiraiKikai, Inc. for ground-mounted photovoltaic installations in Japan. It incorporates rotary wet brushes, a connected water supply, and modular cleaning assemblies for different array widths. The robot operates on panel inclinations of 5–30° and achieves a published cleaning productivity of 2,160 m²/hour in its 4 m configuration. Current commercial sales remain unverified.

Typical applications: Cleaning & Facility Maintenance, Energy & Utilities, Energy Infrastructure.

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