OEM / ODM Direct Industrial Tier-1 Manufacturer

Wholesale Portable Solar Generator Manufacturer & Pricelist

Engineering-grade off-grid mobile energy storage solutions, bidirectional high-surge inverters, and automotive-grade LiFePO4 battery architectures engineered by Beijing Multifit Electrical Technology Co., Ltd. (Equity Code: 280768) since 2009.

CE, TUV, IEC & ISO Certified Direct Factory Dispatch 500W to 10kW Industrial Portables
Ready for Deployment

Core Commercial Clean-Tech Product Matrix

Explore our pre-configured power solutions, from self-contained portable power stations and high-surge low frequency chargers to automated cleaning systems designed to safeguard continuous photovoltaic power output.

Solar Energy Systems Complete Photovoltaic Package
Complete System
Solar Energy Systems

Integrated off-grid and on-grid turnkey solar packages matching Tier-1 monocrystalline panels, battery racks, and hybrid inverters for total energy autonomy.

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Solar Cleaning Robot for Photovoltaic Arrays
PV Maintenance
Solar Cleaning Robot

Patented automated intelligent crawling robot designed to eliminate soiling, dust, and arid bird deposits on commercial and utility-scale installations without water waste.

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Automatic Clean Brush Double Headed
O&M Cleaning Tool
Automatic Clean Brush

Handheld high-efficiency double-headed rotating brush system powered by lightweight lithium packs, engineered for residential and commercial rooftop PV maintenance.

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Low Frequency Power Inverter Charger
Pure Sine Inverter
Low Frequency Inverter

Heavy-duty toroidal transformer inverter with a 32-bit CPU control board, supporting 300% surge capacity for inductive motor loads, deep-well pumps, and heavy tooling.

Inquire Low Frequency
Energy Storage Hybrid Inverter
Hybrid Architecture
Energy Storage Inverter

Multi-mode bidirectional hybrid inverter compatible with wide PV MPPT inputs, high-voltage battery storage, and dynamic peak-shaving grid tie interactions.

Inspect Inverter Line
Solar Battery Energy Storage
Lithium LiFePO4
Solar Battery

Deep-cycle lithium iron phosphate (LiFePO4) cell packs featuring 6,000+ cycles at 80% DoD, active cell balancing BMS, and modular expansion capabilities for field generators.

Battery Wholesale Rates
Clean Solar System PV Maintenance
Turnkey Cleaning
Clean Solar System

Factory-integrated solar cleaning ecosystem combining smart multi-brush washing units, autonomous charging cradles, and automated timing systems for desert installations.

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High Frequency Power Inverter
Compact Electronics
High Frequency Inverter

Ultra-compact, high-efficiency pure sine wave inverters featuring transformerless topology, fast microsecond transfer switches, and high power density for portable setups.

High Frequency Pricelist
Global Market Paradigm

The Global Industrial Landscape of Portable Solar Generators

A strategic shift from noisy, emission-heavy combustion gensets to clean, silent, software-orchestrated mobile microgrids across international defense, civil engineering, disaster response, and remote telemetry sectors.

Grid Vulnerability & Resilience

Extreme meteorological events, aging transmission lines, and geopolitical power stress have shifted commercial priorities. Portable solar generators deliver immediate plug-and-play microgrid resilience without fuel supply-chain vulnerabilities.

Combustion Genset Substitution

Stringent municipal noise regulations, ESG mandates, and internal combustion bans in urban construction environments have forced EPCs to replace 2-stroke and diesel generators with pure-sine lithium energy storage systems.

Microgrid Digitalization & BMS

Modern portable power stations are no longer dumb battery boxes; they are IoT-connected nodes featuring CANbus communication, real-time MPPT optimization, thermal auto-throttling, and remote telemetry integration.

15+
Years Engineering Expertise
80+
Export Sovereign Markets
20+
Patented Power Innovations
280768
Beijing Equity Ticker Code
High-Tech Manufacturing

China Manufacturing Supply-Chain Clustering & Engineering Rigor

Beijing Multifit Electrical Technology Co., Ltd. leverages the world’s most comprehensive power electronics and lithium extraction ecosystem to deliver unmatched cost-to-performance ratios and zero-compromise industrial durability.

Vertical Supply Chain Integration

By producing critical sub-assemblies in-house—including custom toroidal transformers, SMT surface-mounted PCBA controller boards, and CNC metal chassis—we bypass intermediary margins and eliminate component lead-time bottlenecks.

  • Automated SMT PCB Lines: High-precision placement of 32-bit DSP controllers ensuring harmonic distortion (THD) remains below 3%.
  • Automotive-Grade Lithium Stacking: Direct sourcing of Tier-1 prismatic LiFePO4 cells offering UL1973/UN38.3 validated safety.
  • In-House Toroidal Transformer Winding: Pure copper windings providing high inductive surge tolerance for heavy machinery.
Download Factory Profile & Audit Report

Stringent QA/QC Testing Protocol

Every portable generator unit undergoes multi-stage environmental and electrical validation within our Beijing Economic & Technological Development Zone plant before packaging and global container dispatch.

  • 100% Full-Load Burn-In: 72-hour continuous thermal chamber soak testing under 45°C ambient conditions at rated continuous capacity.
  • Vibration & Drop Compliance: ISTA 3A transit simulation validating chassis integrity for rugged mining and field expeditions.
  • Comprehensive Regulatory Auditing: Factory operations rigorously certified under ISO 9001 and ISO 14001, carrying CE, TUV, and IEC ratings.
Schedule a Factory Video Inspection
Procurement Guide

Wholesale Portable Solar Generator Tiered Pricelist & Spec Matrix

Factory-direct indicative volume pricing (FOB Tianjin/Shenzhen) based on battery chemistry, continuous pure sine wave inverter output, and chassis form factors. Custom voltage (110V/220V/240V, 50Hz/60Hz) configured to destination requirements.

Model / Series Capacity (Wh) Inverter Continuous / Surge Cell Chemistry & Life Solar Input (MPPT) Sample Price (1-9 pcs) Wholesale Tier 1 (10-49 pcs) Volume OEM (>50 pcs)
PSG-Compact 500 518 Wh 500W Pure Sine (1,000W Peak) LiFePO4 >3,000 Cycles 12-28V / 120W Max $220.00 $175.00 $145.00 - $155.00
PSG-Pro 1000 1,024 Wh 1,200W Pure Sine (2,400W Peak) LiFePO4 >3,500 Cycles 12-60V / 400W Max $440.00 $350.00 $290.00 - $310.00
PSG-Master 2000 2,048 Wh 2,200W Pure Sine (4,400W Peak) LiFePO4 >4,000 Cycles 12-80V / 800W Dual MPPT $850.00 $680.00 $580.00 - $610.00
PSG-Indus 3000 3,072 Wh (Expandable) 3,000W Pure Sine (6,000W Peak) EV-Grade LFP >4,500 Cycles 16-140V / 1,200W Max $1,350.00 $1,080.00 $890.00 - $940.00
PSG-Titan 5000 5,120 Wh 5,000W Toroidal (15,000W Surge) Prismatic LFP >6,000 Cycles 60-150V / 2,400W Max $2,400.00 $1,890.00 $1,580.00 - $1,650.00
PSG-Worksite 10k 10,240 Wh Mobile Cart 8,000W Split-Phase (24kW Peak) Prismatic LFP >6,000 Cycles 120-450V / 4,000W Dual $4,800.00 $3,950.00 $3,200.00 - $3,450.00

* Note: Final landed quotes vary according to custom packaging, customized front plate sockets (Schuko, US NEMA, UK, Australia, Universal), private branding, sea freight rates, and marine battery insurance premiums.

Versatile Utilization

Field-Proven Deployment Applications Worldwide

Engineered to operate reliably under extreme temperature gradients (-20°C to +55°C), high humidity, and particulate-heavy desert conditions.

Emergency Civil Defense & Mobile Clinics

Instantaneous clean silent energy for intensive care medical devices, ventilators, diagnostic field laptops, and satellite communication transceivers in post-disaster zones where conventional fuel networks are severed.

Remote Telemetry, 5G Repeaters & Border IoT

Powers off-grid microwave backhauls, perimeter video surveillance systems, automated weather tracking nodes, and micro-repeaters with zero noise signature and unattended seasonal battery longevity.

Industrial Construction & Infrastructure O&M

Direct support for rotary hammer drills, angle grinders, pipe welders, and precision surveying instruments on remote job sites without running toxic fumes or handling volatile flammable hydrocarbons.

Utility-Scale Solar Farm Cleaning Robot Powering

Specifically engineered to pair with our Solar Cleaning Robot and Automatic Clean Brush setups, supplying mobile charging stations for ground-mount maintenance crews across desert arrays.

Off-Grid Commercial Agriculture & Irrigation

Operates automated drip-feed solenoids, greenhouse ventilation fans, cold-chain temperature sensors, and small submersible water pumps in isolated vineyards and pastures.

Technology Vectors

Technological Innovations Driving the Next Era of Generators

Our Beijing R&D engineering labs continuously innovate across thermal dissipation, semiconductor topology, and energy density matrices.

Gallium Nitride (GaN) Bidirectional Fast Charging

Traditional solar generators require bulky external AC adapter bricks that convert grid AC to DC before feeding battery packs. Our latest generation integrates dual-directional silicon carbide (SiC) and GaN switching circuits inside the generator chassis, enabling AC grid recharge speeds from 0 to 80% in less than 55 minutes without an external power supply brick.

Furthermore, internal MPPT tracking efficiency has been raised to an unprecedented 99.4%, dynamically squeezing maximum solar irradiance even under partial shading or dust haze conditions.

Semi-Solid State & Advanced Thermal Subsystems

While standard automotive LiFePO4 cells provide dependable 4,000+ cycle operational lives, our advanced pipeline incorporates semi-solid pouch cell matrices that push specific energy densities beyond 260 Wh/kg while operating stably down to -30°C without auxiliary heating mats.

Multi-channel liquid thermal dissipation circuits maintain internal cell temperatures within a strict ±2.5°C delta, doubling cycle durability and preventing thermal runaway under continuous 1C discharge currents.

B2B Procurement Protocol

How International Distributors & EPCs Audit Solar Generator Suppliers

Procuring commercial solar equipment directly from China requires systematic evaluation across battery integrity, inverter surge topology, compliance documentation, and lifecycle service accountability.

1. Prismatic vs. Pouch vs. Cylindrical Cell Grading

Verify that your manufacturer sources pristine "Grade-A" automotive-grade prismatic lithium iron phosphate cells with standardized capacity curves. Discard suppliers utilizing refurbished or second-life cylindrical 18650/21700 arrays that experience early cell drift and thermal degradation.

2. True Inverter Surge Ratio & Topology

Inductive devices (refrigerators, compressors, motors) exhibit startup surges 3x to 5x higher than steady-state power. Require verified test reports confirming the generator's inverter can sustain its advertised peak rating for at least 300 to 500 milliseconds without triggering protection trip-outs.

3. Complete Hazardous Logistics Certification

Lithium generators are classified under UN 3481 / UN 3480 Class 9 Dangerous Goods. Ensure your factory provides bona fide UN38.3 test summaries, MSDS documentation, and sea freight dropping test certificates to prevent customs detention or maritime clearance rejections.

4. OEM Chassis Customization & Firmware Localization

Industrial distributors need customized software telemetry (brand-branded LCD start screen, localized voltage/frequency toggles, custom cut-off thresholds) and physical tooling adaptability for localized plug sockets (Type B, F, G, I).

5. Direct Factory Engineering Support

Partnering with Beijing Multifit (Equity Code 280768) ensures you interface directly with R&D electrical engineers—not trading agents—providing firmware updates, modular replacement components, and fast-track warranty resolution.

Technical Inquiry

Frequently Asked Questions for Wholesale & Custom Procurement

Authoritative, engineering-validated answers to common technical, logistics, and manufacturing questions posed by global importers and EPC contractors.

Is Beijing Multifit Electrical Technology an actual manufacturer or a trading company?
Beijing Multifit Electrical Technology Co., Ltd. (operating the international brand VMAX POWER) is a bona fide manufacturer founded in 2009, based in the Beijing Economic & Technological Development Zone (Equity Code 280768). We maintain full in-house R&D engineering divisions, automated surface-mount device (SMT) production lines, inverter transformer winding stations, metal stamping facilities, and dedicated clean-room battery assembly workshops. Overseas distributors work directly with our engineering and export team without broker markups.
What are the key technical advantages of LiFePO4 chemistry over standard NCM/Lithium Cobalt?
Lithium Iron Phosphate (LiFePO4) offers superior thermal and chemical stability. The cathode's P-O covalent bond does not experience oxygen release under extreme thermal overcharge, eliminating the primary cause of thermal runaway and fire risk associated with traditional ternary (NCM) cells. Furthermore, LiFePO4 cells maintain over 80% original capacity after 3,500 to 6,000 full charge-discharge cycles, whereas standard NCM batteries begin to degrade rapidly after only 500 to 800 cycles.
Can your portable solar generators operate heavy inductive loads such as air conditioners and pumps?
Yes, provided the continuous and surge ratings of the unit match the motor's locked-rotor amperage (LRA). For demanding inductive applications, we recommend our models featuring toroidal low-frequency transformers or high-surge pure sine inverters rated for at least 200% to 300% peak output. Our engineers provide complimentary load curve validation prior to manufacturing to ensure seamless compatibility with your target appliances.
What OEM / ODM white-label services are available for commercial distributors?
We offer turnkey private-label customization, including custom chassis color injection molding, CNC laser engraving, silkscreened distributor branding, localized AC output panel sockets (US 120V NEMA, European Schuko, UK 3-pin, Australian, or Universal sockets), custom firmware startup graphics on the color LCD display, and custom retail packaging with multi-language user manuals.
Which international certifications are supplied with volume container orders?
Our portable generator products and manufacturing plants hold full ISO 9001 and ISO 14001 accreditations. Units comply with CE (EMC Directive & Low Voltage Directive LVD), TUV Rheinland testing standards, IEC 62109, and IEC 62619 safety standards. For international transit, every unit is accompanied by legitimate UN38.3 test summaries, 1.2-meter package drop test verifications, and marine MSDS documentation.
Can multiple portable generators be stacked in parallel to expand capacity and output?
Yes. Our PSG-Master 2000, PSG-Indus 3000, and PSG-Titan 5000 units are equipped with parallel communication ports (CAN / RS485). By utilizing our specialized parallel synchronization box, operators can couple two identical units together, doubling both the continuous inverter watt output and the usable watt-hour battery storage reserve while maintaining automatic master-slave phase alignment.
What is the standard production lead time and minimum order quantity (MOQ)?
Standard production evaluation samples are dispatched within 7 to 10 working days. For customized OEM container consignments (20GP / 40HQ), production turnaround typically ranges from 25 to 35 calendar days following engineering specification sign-off. Our minimum order quantity for standard factory-branded units starts at 5 to 10 units, while customized private-label chassis configurations typically start at 50 units.
Extended Systems Portfolio

Turnkey Photovoltaic & Lighting Engineering Components

Complete your renewable microgrid installations with matched photovoltaic modules, solar charge controllers, heavy industrial inverters, and commercial LED lighting architectures manufactured directly by Beijing Multifit.

Off Grid Solar Power System Setup
Complete Off-Grid
Off Grid Solar System

Autonomous off-grid electrical generation kits engineered for remote residences, telecommunications cabins, agricultural outposts, and emergency island survival.

Explore Off Grid Systems
On Grid Solar Commercial System
Utility Grid-Tied
On Grid Solar System

Commercial and residential rooftop photovoltaic arrays designed for maximum net-metering efficiency, rapid payback periods, and seamless grid export control.

Inspect Grid-Tie Systems
Power Inverter Factory Range
Core Conversion
Power Inverter

Universal DC-to-AC pure sine wave inverter series offering wide voltage input windows, low no-load tare power draw, and intelligent thermal management fans.

Review Power Inverters
Solar Charge Controller MPPT
Charge Regulation
Solar Controller

Ultra-fast Maximum Power Point Tracking (MPPT) solar charge controllers operating at over 99% conversion efficiency with multi-stage battery charging algorithms.

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Solar Flood Light High Output
Industrial Illumination
Solar Flood Light

High-lumen commercial LED floodlight architectures backed by IP67-rated waterproof housings, remote control telemetry, and all-weather lithium storage.

Browse Flood Lights
Solar Garden Light Architectural
Landscape Lighting
Solar Garden Light

Aesthetic, high-durability exterior luminaires for corporate campuses, municipal parks, and luxury resorts with dusk-to-dawn automated illumination cycles.

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Solar Integrated All in One Light
All-in-One Solar
Solar Integrated Light

Streamlined street and perimeter lights consolidating solar collector panels, long-life lithium battery packs, intelligent PIR motion sensors, and bright LEDs in one housing.

View Integrated Light
Solar Light Commercial Lighting Range
Municipal Illumination
Solar Light

Turnkey municipal solar streetlighting solutions with deep autonomy profiles, engineered to withstand continuous overcast conditions and intense wind loadings.

Explore Lighting Line

Partner Directly with an Engineering-Led Solar Manufacturer

Whether configuring custom portable solar generators for defense tenders, expanding your national wholesale distribution brand, or sourcing turn-key off-grid and automated cleaning systems, our Beijing technical team delivers direct factory pricing and unmatched engineering responsiveness.

Index of Photovoltaic & Energy Storage Manufacturing Lines:
Solar Panel · Solar Products · Solar Energy Systems · Solar Cleaning Robot · Automatic Clean Brush · Clean Solar System · Low Frequency Inverter · High Frequency Inverter · Energy Storage Inverter · Power Inverter · Solar Battery · Solar Controller · Off Grid Solar System · On Grid Solar System · Solar Flood Light · Solar Garden Light · Solar Integrated Light · Solar Light · Hot Blog · Top Search Keywords