PV Panel Cleaning Brush WLS-4
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+86181-1576-1000(Ziggy)
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+86181-5152-7178(Vicky)
ziggy@wanlvsunny.com
vicky@wanlvsunny.com
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PV Panel Cleaning Brush WLS-4
The WLS-4 Series Double-Head Photovoltaic Cleaning Machine is a professional PV panel maintenance device developed by WANLV SUNNY, designed to address the inefficiencies of single-head cleaners and the limitations of traditional manual cleaning. Available in three versions—Mains Version (WLS-4-1), Lithium Battery Version (WLS-4-2), and Dual-Use Version (WLS-4-3)—it integrates stable double-head power, flexible telescopic rods, and multi-scenario power supply solutions. Ideal for large-scale ground-mounted PV stations, rooftop distributed projects, and hard-to-reach panel areas, the machine supports both dry and wet cleaning, effectively removing dust, sticky dirt, and bird droppings while ensuring no damage to PV panels.

Wuxi Wanlv Intelligent Technology Co., Ltd.
Wuxi Wanlv intelligent Technology Co., Ltd. is located in
the Wuxi Economic Development Zone’s Industrial Park. lt isa technology-based enterprise integrating R&D,productionsales and service of photovoltaic cleaning equipment andcleaning robots:We came into being by combining profession-al mechanical design knowledge with solar panel cleaning
experence.
WLS-4 Series Double-Head Photovoltaic Cleaning Machine – Product Details

Structure

Double Head Balance PowerStructural Design More Stable

The rotation of the double brush head is balanced by force, and thefriction of high-speed rotation combined with water spray stronglyremoves dust, sticky dirt, bird droppings, etc. which stick on thesurface of photovoltaic panels. lt has stronger stability and is usedfor two appication-dry cleaning and washing.
Technical Parameters WLS-4-1
| Parameter | Unit | Mains Version/WLS-4-1 |
|---|---|---|
| Product Name | – | Mains Version/WLS-4-1 |
| Motor Speed | Rpm | 300/350 |
| Single Motor Power | Watt | 120/150 |
| Motor Voltage | Volt | 24 |
| Telescopic Rod Wall Thickness | MM | 1.0 |
| Telescopic Rod Length/No.of | M/Knot | 3.5/3, 5.5/4, 7.5/4 |
| Maximum Diameter Of Telescopic Tube | MM | 35/40/40 |
| Wire/Water Pipe Length | M | 16/20 |
| Power Supply | – | 220V Main Power |
| Bristle Material | – | New Material Nylon Yarn |
| Telescopic Pole Material | – | Aluminum Alloy/Carbon Fiber |
| Cleaning Width | Centimeter | 32/65 |
Technical Parameters WLS-4-2
| Parameter | Unit | Lithium Version/WLS-4-2 |
|---|---|---|
| Product Name | – | Lithium Version/WLS-4-2 |
| Motor Speed | Rpm | 300/350 |
| Single Motor Power | Watt | 120/150 |
| Motor Voltage | Volt | 24 |
| Telescopic Rod Wall Thickness | MM | 1.0 |
| Telescopic Rod Length/No.of | M/Knot | 3.5/3, 5.5/4, 7.5/4 |
| Maximum Diameter Of Telescopic Tube | MM | 35/40/40 |
| Wire/Water Pipe Length | M | 8/20 |
| Power Supply | – | Lithium Battery Pack |
| Lithium Battery Voltage/Capacity | Volts/Ah | 24/26 |
| Lithium Battery Current | Amp | 10 |
| Usage Time/Battery Charge | Hour | 4-5/5 |
| Bristle Material | – | New Material Nylon Yarn |
| Telescopic Pole Material | – | Aluminum Alloy |
| Cleaning Width | Centimeter | 32/65 |
Technical Parameters WLS-4-2
| Parameter | Unit | Dual-use Version/WLS-4-3 |
|---|---|---|
| Product Name | – | Dual-use Version/WLS-4-3 |
| Motor Speed | Rpm | 300/350 |
| Single Motor Power | Watt | 120/150 |
| Motor Voltage | Volt | 24 |
| Telescopic Rod Wall Thickness | MM | 1.0 |
| Telescopic Rod Length/No.of | M/Knot | 3.5/3, 5.5/4, 7.5/4 |
| Maximum Diameter Of Telescopic Tube | MM | 35/40/40 |
| Wire/Water Pipe Length | M | 16/20 |
| Power Supply | – | 220V Main Power/Lithium Battery Pack |
| Lithium Battery Voltage/Capacity | Volts/Ah | 24/26 |
| Lithium Battery Current | Amp | 10 |
| Usage Time/Battery Charge | Hour | 4-5/5 |
| Bristle Material | – | New Material Nylon Yarn |
| Telescopic Pole Material | – | Aluminum Alloy |
| Cleaning Width | Centimeter | 32/65 |
Multi-configuration Options



Product Packaging

| Standard Export Carton | Leight*Width*Height (CM) | Gross Weight(KG) | Sample Charge Weight(KG) | |
| Telescopic Pole Package | 3.5M | 160*10*10 | 4 | 4 |
| 5.5M | 185*10*10 | 4.9 | 5 | |
| 7.5M | 203*10*10 | 5.9 | 6 | |
| Other Parts Package | Plug-in Version | 46*38*27 | 10.1 | 11 |
| Lithium Battery Version | 46*38*27 | 14.2 | 15 | |
| Dual Power Version | 46*38*38 | 15.6 | 16 | |
| 30*30*14 | 3.25 | 4 | ||
| Note:The brush is packaged in splittype with pole and other parts which may lead to two deliveries. | ||||
Applicable Scenes
Roof of Factory Building
Urban Photovoltaics
Photovoltaic Power Station
Mountain Photovoltaic

Core Features
1. Double-Head Balanced Design for Strong Cleaning Power
- Balanced Force & Stable Operation: Equipped with two rotating brush heads, the machine achieves force balance during high-speed rotation, avoiding deviation or damage to panels caused by uneven pressure.
- Dual-Cleaning Modes: Supports both dry cleaning (for light dust) and wet cleaning (for stubborn contaminants like sticky dirt). When combined with water spray, it strongly removes surface residues, ensuring optimal panel transmittance.
- Wide Cleaning Coverage: Each brush head has a diameter of 32cm, delivering a total cleaning width of 65cm—doubling the efficiency of single-head cleaners and reducing cleaning time for large-scale PV stations.
2. Flexible Telescopic Rods for Long-Distance Cleaning
- Multi-Length Options: Offers three telescopic rod specifications to adapt to different cleaning heights: 3.5m (3 sections), 5.5m (4 sections), and 7.5m (5 sections), covering most PV panel installation scenarios (e.g., low-rise rooftops, ground-mounted arrays).
- Durable & Lightweight Material: The telescopic rods are made of aluminum alloy (carbon fiber optional for customization) with a wall thickness of 1.0mm—striking a balance between strength and portability. The maximum diameter of the telescopic tube varies by length: 35mm (3.5m) and 40mm (5.5m/7.5m), ensuring stability during extended use.
- Easy Maneuverability: The three-rod structure provides stable support, allowing operators to control the cleaning angle easily without excessive physical effort.
3. Multi-Version Power Supply for All Scenarios
- Mains Version (WLS-4-1):
- Powered by 220V mains for stable, long-lasting operation—no need to replace batteries.
- Equipped with an 8m extended power cord (total length 16m) and a 220V-to-24V power converter, ensuring safe voltage output for the motor.
- Lithium Battery Version (WLS-4-2):
- Cordless design for flexible operation, unaffected by power source distance.
- Includes a lithium battery pack (24V/26Ah) and a battery backpack for easy carrying. The battery supports 4-5 hours of continuous use and takes 5 hours to fully charge; a 10A current ensures stable power supply to the motor.
- Matches a 50m water pipe for short-distance water supply; compatible with a gasoline pump (paired with a gasoline generator) for waterless and powerless environments.
- Dual-Use Version (WLS-4-3):
- Combines the advantages of the mains and lithium battery versions, supporting both 220V mains and lithium battery power.
- The most versatile option, suitable for scenarios with unstable power (e.g., remote PV stations) or mixed indoor/outdoor cleaning needs.
4. Efficient & Durable Component Configuration
- High-Performance Motor: All versions feature a 24V motor with adjustable speed (300/350 rpm) and single-motor power (120/150 Watt). The motor delivers strong torque for high-speed brush rotation, ensuring thorough cleaning without overheating.
- Wear-Resistant Brush Material: Brushes are made of new-material nylon yarn—soft enough to avoid scratching PV panel coatings, yet durable enough to resist wear from long-term use.
- Long-Distance Water Supply: Supports 50m short-distance water supply (via lithium battery water pump) and 100-200m long-distance water supply (via 220V high-pressure water pump), adapting to large-area PV station layouts.
Application Scenarios
- Large-scale ground-mounted photovoltaic power stations
- Distributed PV projects on cement roofs and color steel tile roofs
- Remote PV facilities with unstable power supply (ideal for Lithium/Dual-Use Versions)
- PV panels at heights of 3.5-7.5 meters (e.g., multi-story building rooftops)
- Scenarios requiring frequent switching between dry and wet cleaning
After-Sales & Support
- 24-Hour Online Service: Provide timely technical consultation and troubleshooting support via online channels.
- Sample Service: Offer sample orders at a cost of US$475 per set, allowing customers to test performance before bulk purchase.
- Customization Options: Support customization of telescopic pole material (e.g., carbon fiber upgrade) and water pipe length based on specific project needs.
- Warranty: 1-year warranty for core components (motor, battery pack), covering manufacturing defects and performance issues.
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Contact Information
Phone/whatsApp
+86181-1576-1000(Ziggy)
Phone/whatsApp
+86181-5152-7178(Vicky)
ziggy@wanlvsunny.com
vicky@wanlvsunny.com
Location
Rm507-508, No. 999 Gaolang Road, Binhu District , Wuxi Jiangsu China
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Business Hours
Monday – Friday: 9:00 AM – 6:00 PM
Saturday: 10:00 AM – 4:00 PM
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Contact us to learn how our solar panel cleaning solutions can improve your energy output and reduce maintenance costs.




























