Solar Water Pump China Manufacturer & Supplier

Rafsun is professional in DC Solar Well Pump, AC/DC Submersible Pump, Solar Booster pump, Solar Pool Pump,Solar Sump Pumps, Solar Pump Inverter, etc.

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1 DC Solar Well Pump

DC Solar Well Pump

Eco-friendly water extraction for off-grid irrigation and household supply. Durable, low-maintenance system reduces costs for remote locations.

RAFSUN hybrid solar submersible pump system featuring stainless steel deep well submersible pumps, an intelligent hybrid solar controller, and a high-efficiency photovoltaic solar panel, designed for reliable off-grid and grid-assisted water pumping in agriculture, irrigation, livestock watering, and remote water supply applications.

Hybrid Solar Submersible Pump

Hybrid solar well pumps maximize irrigation efficiency in off-grid and grid-connected settings. Industry-leading reliability delivers consistent water pumping performance for all agricultural needs.

3 Solar Pool Pump

Solar Pool Pump

Solar-powered pool pumps automatically circulate and filter water while reducing electricity costs. Silent, corrosion-resistant operation ideal for eco-conscious homeowners.

4 Solar Booster Pump

Solar Booster Pump

Solar booster pumps increase water pressure for homes and farms. Eco-friendly, easy-install solution offers efficient performance for residential systems and agricultural irrigation needs.

5 Solar Sump Pump

Solar Sump Pump

Prevent flooding with corrosion-resistant, anti-clogging technology. Efficient sludge removal system delivers reliable drainage solutions for residential and commercial applications.

Solar Pump Inverter

Solar Pump Inverter

Maximize energy efficiency with MPPT technology. These smart controllers optimize sun power for water pumping, offering grid-tie backup, remote monitoring, and superior performance for agricultural and residential needs.

Applications of Rafsun Solar Pump

Our high-efficiency solar pumping systems operate across diverse environments, delivering reliable water solutions for all your needs

Agricultural Irrigation
Agricultural Irrigation
Livestock
Livestock
Domestic Water
Domestic Water
Commercial-and-Public-Pools2
Commercial and Public Pools

Advantages of Solar Pump Kit

Low Cost

Solar water pumps eliminate diesel fuel costs with free renewable energy. Zero-maintenance automatic systems require no personnel, delivering 100% operational savings compared to traditional pumps

Environmental friendly

Silent-operating solar pumps eliminate noise pollution common with traditional systems. Harnessing clean solar energy delivers zero carbon emissions, creating sustainable water management solutions for eco-conscious applications

Automatic Operation Capability

Smart solar water pump systems operate 24/7 automatically without supervision. Remote GPRS monitoring enables real-time control while advanced safeguards prevent damage during water shortages or insufficient sunlight conditions

Facing solar water pump challenges?

• Unstable performance on rainy days
• No solar power at night
• Fluctuating water demand
• Limited energy storage capacity

Solution: Our AC/DC hybrid solar pumps provide a stable water supply regardless of weather conditions.

Advantages of Solar Water Pump Controller

ACDC Solar water Pump Inverter Parameter-1

Always-On Parameter Visibility

  • Power: Power input
  • DC: DC input
  • Well: Water shortage protection
  • Tank: Water tank full protection
  • Voltage(V): Solar/battery input voltage
  • Speed (R): Pump working speed
  • Current (A): Solar/batteryinput current
  • Watt (W): Solar/batteryinput power
  • MPPT: Maximum Power Point Tracking
  • CP: Constant pressure function
  • PSS: Pressure start and stop function
  • Timing: Timing function
  • RCL:IOT Remote Control

VF Control | Core Benefits

  • Max efficiency – Smart adjusts speed based on sunlight
  • Low-Light Operation – Maintains 30-50% output without stalling
  • Soft Start – No current shock, 50% + less mechanicawear
  • Vector control – Optimizes torque/speed for 2x motor life
P-V Chart Curve-1

Precise MPPT Technology

  • 99.5% Intelligent Tracking Accuracy
  • 30% More Power in Low Light
  • 10% Temperature Loss Compensation
  • 3-8% Higher Yield vs. Basic MPPT 
  • 30% Increased PV Utilization

Controller Testing

  • 1K+ Hours UV Test | 0% decay
  • 144+ Hours Salt Spray Test | 0% Corrosion
  • 100K+ Lifespan | Buttons
  • 850℃ Flammability test
  • IP65 Test | Against Dust & Water Jet
  • Climatic Chamber Test | -15°C to +60°C

Advantages of Solar Water Pump

Permanent magnet synchronous motor

High Efficiency PMSM Brushless Motor

  • 90%+ Efficiency
  • 30% Energy Savings
  • 200% Peak Torque Capacity
  • +0.1% Speed Control Accuracy
  • 30% More Compact Design
  • 150m Submersion Depth

N40SH Advanced Magnets

  • 12,800 Gauss Force
  • 150°C Heat Resistant
  • High Stability
Permanent magnet synchronous motor stator

Advanced Stator Design

  • 180°C H-Class Wire
  • Superior heat resistance
  • W800 Steel Core
  • Maximum magnetic flux
  • 100% Auto Winding
  • Precision engineered
about us
About Rafsun

Solar Water Pump Manufacturer

As a premier solar pump manufacturer, Rafsun specializes in high-efficiency solar water pump systems including DC solar pumps, AC/DC hybrid solar pumps, and advanced solar pump inverters. Our Taizhou facility features a dedicated R&D team, rigorous quality control systems, high-precision processing equipment, and in-house controller production.

We deliver energy-efficient solar pumping solutions for agriculture, residential and commercial applications, combining superior performance with competitive pricing. With our complete manufacturing control system, we ensure exceptional quality solar water pumps for global markets.

Why Choose Rafsun?

High Tech Equipment

Our advanced manufacturing line employs robotic arms for precision machining, automated systems for permanent magnet rotor assembly, and high-efficiency motor winding equipment—delivering superior industrial motor quality through integrated smart factory technology.

High-quality products

Our pumps are manufactured using state-of-the-art production lines with automated quality control systems. This advanced manufacturing process ensures superior efficiency, exceptional durability, and reliable performance across all solar pumping solutions – delivering sustainable water management technology that outperforms conventional alternatives.

Comprehensive Performance Test

Solar water pumps undergo thorough factory testing to verify flow rates, pressure tolerance, and motor efficiency—ensuring reliable performance for agricultural irrigation and off-grid water systems.

High Quality Packaging

Our solar water pumps ship in reinforced wooden crates, preventing transportation damage and ensuring intact delivery of your photovoltaic pumping system.

Safe and Efficient Transportation

We provide global logistics for solar water pumps with international shipping options including sea freight, air cargo, and express delivery. All solar pumping systems include customs documentation and insurance.

Quality Certifications

We Offer Quality Products
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FAQs About Rafsun Solar Pump

Rafsun has been in the photovoltaic water pump business for 15 years. We have encountered various problems. The following are the issues that our customers are most concerned about.

How long is your product warranty? What is the after-sales service like?

1. Industry-Leading Protection: 2-year comprehensive warranty on all solar water pumps.
2. Installation Assistance: Complete technical documentation including wiring diagrams and installation videos for seamless setup.
3. Responsive Troubleshooting: For quality issues, submit photos/videos for remote diagnosis. Our technical team provides online troubleshooting guidance. If needed, we’ll ship replacement components at no additional cost.

How do I determine the amount of panels needed for my solar pump?

1. For proper solar panel sizing:
Calculate wattage requirement: Add 30-50% to pump wattage (minimum 30%, recommended 50%)

2. Solar panel open circuit voltage must not exceed pump’s maximum voltage
Optimal operation occurs when panel voltage falls within pump’s recommended working range

Will the solar water pump stop working when the well water is short of water?

Yes. Every Rafsun solar water pump features advanced dry run protection technology. When low water levels are detected, the pump:
1. Automatically suspends operation to prevent damage
2. Enters smart recovery mode with adjustable intervals
3. Restarts after your selected time period (30s, 15min, 1h, 6h, or 12h)
4. Operates completely autonomously to extend pump lifespan

Can the PV pump work properly on cloudy or overcast days?

1.Reduced efficiency operation: On cloudy days, the PV pump can still work, but the pumping volume will decrease as the intensity of sunlight decreases.
2.MPPT controller optimization: Our system is equipped with an advanced MPPT controller to maximize energy utilization in low-light conditions.
3.If you need a stable water supply, use it with a battery, or choose our ACDC Hybrid Solar Pump to ensure continuous water supply in rainy weather.

What maintenance work does the photovoltaic water pump system require? Is the maintenance cost high?

1. Low maintenance requirements: The system does not require fuel, has few moving parts, and the maintenance cost is much lower than that of a diesel pump.
2. Regular inspection items: It is recommended to clean the surface of the solar panel every quarter, check the firmness of the wiring, and check the water pump every year.
3. Long-term service life: The service life of the solar panel can reach 25 years, and the water pump can be used normally for 8-10 years. The overall maintenance cost is less than 5% of the system value.

What are the advantages of photovoltaic water pumps compared with traditional electric or diesel water pumps?

1. Zero energy cost: No electricity or fuel costs, and the initial investment can be recovered in 3-5 years.
2. Environmentally friendly and reliable: Zero emissions, no noise, suitable for use in areas far away from the power grid.
3. Intelligent control: Equipped with water level sensors and automatic control systems, unattended operation can be achieved.
4. Flexible use: Automatic operation during the day, mobile installation, no need for complex infrastructure.

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Contact Information

Email

Info@rafsun.com

Mobile

+86 157 0005 3767

WhatsApp

+86 157 0005 3767

Address

Panlang Industrial Zone, Daxi Town, Wenling City, Zhejiang Province, China

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RAFSUN flagship inverter booster pumps product lineup for factory direct sales, featuring BWD Cullinan (900–2200W), BWE Bentayga (750–1500W), RUC Urus (370–1100W), and REB Huracan (370–750W). These high-efficiency RAFSUN Inverter Booster Pumps deliver constant water pressure, energy savings, and reliable performance for residential, commercial, and multi-story building applications.

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