Direct factory production with 20+ patents. Fully matched balance-of-system integration guarantees maximum module transmittance, zero abrasion micro-cracking, and extended inverter operating lifecycles.
Autonomous crawler tracking mechanism engineered for dry dust sweeping and wet washing over expansive utility-scale and commercial rooftop arrays.
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Patented dual-head counter-rotating electrical brush with high-reach carbon fiber telescopic rods for C&I rooftop and carport O&M operations.
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Integrated intelligent washing solutions combining pressurized water distribution, chemical-free filtration, and remote telemetry monitoring.
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Heavy-duty 32-bit MCU CPU controlled pure sine wave inverter charger with pure copper toroidal transformer for high-surge inductive loads.
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Hybrid bidirectional energy storage inverters supporting peak-shaving, UPS millisecond transfer switching, and intelligent lithium BMS telemetry.
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Lightweight transformerless architecture providing industry-leading MPPT tracking efficiency up to 99.2% for cost-optimized residential networks.
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Commercial-scale utility-interactive grid-connected configurations engineered for minimal levelized electricity cost and zero-export control compliance.
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Autonomous off-grid power generating kits for remote mining camps, telecommunication base stations, agricultural pumps, and island electrification.
Review Off-Grid KitsPhotovoltaic soiling represents one of the largest controllable operational expenditures impacting utility and C&I assets globally. Unmitigated particulate accumulation directly erodes asset financial performance.
Across utility-scale solar farms in arid sunbelt territories—ranging from the Middle East and North Africa (MENA) to the Atacama Desert, northwestern China, and the Southwestern United States—dust accumulation (soiling) is documented to diminish solar power output by 15% to more than 35% annually. Airborne particulate matter, vehicular particulate dispersion, agricultural dust, industrial emissions, and calcified bird droppings create sticky organic-inorganic matrices that bond to module front glass.
When sunlight strikes a soiled photovoltaic module, light transmission through the anti-reflective glass is severely impeded. Irregular deposition patterns further induce hot-spot phenomena, triggering localized cell degradation, bypass diode fatigue, and permanent power loss. Traditional manual cleaning utilizing water delivery tankers and manual squeegees incurs high labor expenditure, consumes scarce freshwater resources, and risks micro-cracks from personnel traversing module frames.
| Cleaning Methodology | Yield Restoration (%) | Water Consumption (L/MW) | Labor Risk & Module Safety | CapEx / OpEx Economic Payback |
|---|---|---|---|---|
| Manual Labor (Hose & Squeegee) | 85% - 92% (Variable) | 1,800 – 3,500 L | High risk of foot micro-cracks, mechanical shear stress | Continuous escalating labor cost; negative multi-year ROI |
| VMAX POWER Automated Robots | 98.5% - 99.8% (Uniform) | 0 L (Dry mode) / 150 L (Mist) | Zero foot pressure; soft polymer bristle glide; ARC safe | 6 to 14 months typical CapEx payback period |
| Multifit Dual-Head Electric Brushes | 95% - 98% (High precision) | 400 – 800 L | Ergonomic lightweight carbon fiber; controlled manual handling | Immediate payback for C&I rooftop & carport contractors |
| Fixed High-Pressure Sprinklers | 75% - 85% (Water spots) | 4,000 – 7,000 L | High mineral staining risks; piping leakage & freezing hazards | High initial CapEx plumbing; high water pump power consumption |
Over 65% of global high-irradiation solar facilities are constructed in hyper-arid or water-stressed regions. VMAX POWER water-free dry cleaning crawler robots preserve millions of liters of potable water while preserving module reflectivity.
By reversing generation yield drops within 24 to 48 hours of major dust events, solar park asset owners protect internal rate of return (IRR) metrics and secure compliance with power purchase agreement (PPA) supply guarantees.
Our proprietary high-density polyamide micro-fiber filaments exert less than 0.015 N/cm² surface contact pressure, fully verified under ISO 11998 to produce zero micro-scratches on delicate silica anti-reflective module coatings.
Pioneering clean-tech solar innovation since 2009. Listed high-tech enterprise (Equity Code: 280768) operating comprehensive R&D laboratories, robotic assembly cells, and global export fulfillment centers.
Headquartered in the Beijing Economic & Technological Development Zone (Yizhuang High-Tech Park), Multifit integrates hardware industrial design, embedded motor control software development, power electronics manufacturing, and comprehensive turnkey photovoltaic EPC construction. We operate under stringent quality and environmental auditing frameworks conforming to ISO 9001:2015 and ISO 14001:2015 standards.
Unlike commercial trading intermediaries, VMAX POWER maintains end-to-end component traceability across all printed circuit board assemblies (PCBA), robotic chassis metallurgy, and high-frequency transformer windings. We provide international EPC developers, balance-of-system distributors, and municipal buyers with authentic OEM private labeling, ODM custom tailoring, and direct factory technical engineering escalation.
Photovoltaic array designs vary dramatically across terrains. VMAX POWER customizes cleaning chassis locomotion, track friction compounds, and brush dynamics to match exact site geometry.
Characterized by high ambient temperatures (>50°C), thermal shock, abrasive quartz sands, and complete water absence. VMAX POWER autonomous robots employ military-grade sealed bearings, UV-resistant rubber tracks, and electrostatic dust deflection to maintain module yield without consuming water.
Industrial factories emit chemical exhausts, fly ash, soot, and oily residues that harden onto glass surfaces. Our double-head counter-rotating brushes combine ultra-low water misting with active scrubbing to dissolve stubborn industrial calcification without overloading structural roof load limits.
Pitched residential tiles, greenhouses, and agricultural shading systems require lightweight, portable O&M gear. Lithium-powered handheld electric cleaning systems give regional installers an affordable, transportable tool to bundle with annual maintenance contracts.
Critical specifications for O&M managers, procurement directors, and system integrators evaluating balance-of-system hardware compatibility.
Low-Frequency (Toroidal Transformer): Superior surge tolerance (up to 300% peak for 20 seconds). Ideal for heavy motors, submersible water well pumps, refrigeration units, and remote off-grid environments where grid backfeed is unstable.
High-Frequency (Transformerless): Lighter footprint, lower idle tare consumption, highly responsive DSP algorithms. Best for residential grid-tie, indoor villa installations, and modern lithium energy storage arrays.
When sizing autonomous cleaning systems or backup PV microgrids, calculate total storage requirements via:
VMAX POWER LiFePO4 modules deliver >6,000 cycles at 90% DoD, cutting lifecycle replacement costs compared to conventional lead-acid options.
VMAX POWER crawler robots utilize dual brushless DC (BLDC) motors with internal regenerative electromagnetic braking. Even on steep 35-degree pitched arrays or wet slick surfaces, the high-tack silicone tracks prevent slippage, while ultrasonic edge sensors detect frame boundaries.
Lowering procurement risks through audited manufacturing processes, comprehensive third-party testing, and lifetime spare parts availability.
Compliant with EN 61000-6-2, EN 61000-6-4 electromagnetic compatibility directives and low-voltage safety parameters.
Validated to prevent Potential Induced Degradation across module surfaces during repeated wet electrical cleaning operations.
Complete private labeling services: custom chassis paint, silk-screened logos, localized operational software, and branded packaging.
Direct access to Beijing R&D engineers, video commissioning assistance, and prioritized air-freight spare parts distribution.
The future of solar operations lies in automated intelligence. How VMAX POWER is integrating computer vision, IoT telemetry, and autonomous docking.
Next-generation VMAX POWER robots incorporate onboard LiDAR and optical AI cameras capable of classifying soiling severity in real-time, dynamically adjusting brush RPM and traversal velocity to conserve battery power on lightly soiled panels.
Self-navigating O&M robots return automatically to base docking stations situated at the perimeter of each PV string. Base stations recharge onboard lithium batteries directly from the DC busbar while replenishing fluid reservoirs.
Our systems interface with central plant SCADA systems via Modbus TCP/IP, LoRaWAN, or 4G/5G protocols. Asset managers schedule array cleaning based on live solar pyranometer data, meteorological forecasts, and generation loss triggers.
Direct technical clarifications addressing procurement, warranty, system integration, and field deployment.
VMAX POWER is the dedicated export brand of Beijing Multifit Electrical Technology Co., Ltd., founded in 2009. We operate our own production lines, R&D engineering centers, and project construction teams in the Beijing Economic & Technological Development Zone (Stock Code: 280768). Overseas buyers deal directly with the factory.
No. Our equipment is purpose-built to eliminate module degradation risks. Bristles are engineered from specialized non-abrasive polymer filaments with rounded tips, exerting contact pressure below 0.015 N/cm². The robot's chassis distributes load across large surface-area tracks, keeping total mechanical pressure well below IEC 61215 mechanical load limits.
Our products hold CE, TUV, and IEC certifications, backed by corporate ISO 9001:2015 (Quality Management) and ISO 14001:2015 (Environmental Management) standards. We maintain over 20 proprietary design patents and 20+ verified CE conformity certifications, accessible upon commercial inquiry.
Yes. We supply global distributors, EPC contractors, and multinational O&M brands with comprehensive private labeling. This includes custom exterior chassis colors, silk-screened company logos, localized control UI language packages, customized packaging dimensions, and bespoke electrical connector configurations.
Specify a low-frequency inverter with a toroidal transformer when operating heavy inductive machinery, water pumps, compressors, and motor loads prone to massive initial inrush currents, or where installations connect to unreliable utility grids. Specify high-frequency inverters for compact, weight-sensitive residential rooftop installations with predominantly electronic loads.
Our solar cleaning robots feature industrial-grade high-density lithium (LiFePO4) battery packs that deliver 4 to 8 hours of continuous operation per single charge, depending on incline angle and washing mode. The battery system supports over 3,000 deep discharge cycles while maintaining over 80% remaining capacity.
Yes. We provide complete turnkey on-grid, off-grid, and hybrid solar power systems where modules, inverters, LiFePO4 batteries, MPPT controllers, combiners, and cleaning hardware are pre-tested at our factory for seamless compatibility, minimizing procurement overhead and field commissioning errors.
All products carry standard factory warranties (extendable up to 5-10 years on select inverters and robotic platforms). Our Beijing engineering desk provides 24-hour remote video troubleshooting, diagnostic telemetry analysis, and prioritized international air-courier dispatch for critical replacement modules.
Complete factory-matched bills of materials for worldwide distribution, commercial EPC installation, and municipal infrastructure projects.
Commercial grade pure sine wave inverter series engineered with high surge power endurance and multi-mode grid compatibility.
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High-capacity deep-cycle lithium iron phosphate and sealed gel battery units engineered for >6000 cycles with built-in smart BMS protection.
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End-to-end engineered photovoltaic kits including tier-1 PV modules, matching inverters, mounting racks, and protection combiners.
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High-transmittance monocrystalline TOPCon and PERC photovoltaic modules with anti-reflective glass and positive tolerance power output.
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Advanced Maximum Power Point Tracking (MPPT) charge controllers delivering up to 99.5% tracking efficiency for rapid battery replenishing.
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Heavy-duty outdoor commercial luminaire fixtures with ultra-bright optical LEDs, radar microwave sensors, and high-capacity LiFePO4 cells.
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Architectural landscape solar lighting systems featuring die-cast aluminum corrosion resistance and dusk-to-dawn intelligent lighting profiles.
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All-in-one roadway streetlighting integrating high-efficiency solar panel, LED cluster, smart sensor, and lithium storage into a unified chassis.
Explore Integrated LightsConnect directly with our senior application engineering team for comprehensive project quotes, tailored OEM/ODM manufacturing agreements, or technical design validations.
Email: [email protected]
Telephone: +86-15801582755
WhatsApp Desk: +86 159 1087 0754
Headquarters: 503, Bldg 5, No.10 Ronghua South Rd, Beijing Economic & Technological Development Zone, Beijing 100176, China
