Solar Powered Fountain Water Pond Pump - 100W | 3950 LPH | Battery Backup Option

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Overview

Solar pond pump with 3950 LPH flow, 100W panel, and brushless DC motor with dry run protection.

  • Solar pond pump
  • Flow rate: 3950 LPH with battery backup
  • Max head: 1.8 m with battery backup
  • 100W polycrystalline solar panel
  • Brushless DC motor
  • Dry run protection
  • Locked rotor protection
  • Optional 12V 24 Ah LiFePO4 battery backup
  • MPPT technology for battery backup
  • RoHS, REACH, CE, UKCA certified

Product Overview

Set up the system by placing the solar panel where it can receive direct sunlight and then position the pump in your water feature so the flow suits your layout.

Perfect for larger ponds, cascades, and professional water features, this innovative pump combines cutting-edge solar technology with impressive performance to transform your water feature.

✓ 3950 LPH Flow Rate ✓ 100W Solar Power ✓ Battery Backup ✓ 3m Maximum Head Height ✓ MPPT Technology

Why Choose This Solar Powered Fountain Pump?

This pump is more than just a fountain. With its professional-grade power, it ensures robust water circulation and oxygenation, making it an excellent choice for maintaining the health and beauty of your pond. Here’s what sets it apart:

  • Unmatched Power: 100W solar panel delivers up to 3950 LPH with battery backup, and 5250 LPH without it.
  • Environmental Sustainability: Operates entirely on solar energy, reducing your carbon footprint to zero.
  • Versatility: Suitable for large pond circulation, solar waterfalls, water tubing systems, and more.
  • Ease of Use: Simple plug-and-play setup with minimal maintenance required.
  • MPPT Technology: Ground-breaking technology for 30% improvement in performance.

Exclusive MPPT Technology – Developed for Solar Pond Pumps

PowerBee Ltd was the first company to introduce MPPT-managed control systems into small garden and pond solar pumps — a level of solar optimisation previously used mainly in larger-scale applications. Our MPPT design helps improve energy conversion in variable light, supporting more consistent flow and stronger usable performance in real UK conditions.

Illustration of MPPT solar optimisation technology

MPPT optimisation helps maximise usable pump output

Advanced Solar Optimisation

  • MPPT helps track available solar power
  • Improves efficiency in changing sunlight
  • Supports more consistent pump output

Improved Low-Light Performance

  • Helps maintain usable flow on dull days
  • Reduces drop-off in variable conditions
  • Battery models extend operation further

Industry-Leading Pond Pump Design

  • First MPPT adoption in garden pump systems
  • Developed specifically for ponds and water
  • Trusted across PowerBee solar pump ranges

Designed for both professional and personal use, this solar-powered fountain pump provides the perfect balance of power, reliability, and convenience. Whether you're looking to oxygenate a large pond or create a stunning water cascade feature, this system delivers every time.

Below, we break down its standout features in more detail:

Litres per Hour at Various Pumping Heights

Height With Battery Backup (12.8V) Without Battery Backup (Estimated)
@0m 3950 LPH 5250 LPH
@0.3m 3300 LPH 4725 LPH
@0.6m 2700 LPH 4200 LPH
@1.2m 1400 LPH 3150 LPH
@1.5m 750 LPH 2625 LPH
@1.8m 0 LPH 2100 LPH
@2.1m N/A 1575 LPH
@2.4m N/A 1050 LPH
@2.7m N/A 525 LPH
@3.0m N/A 0 LPH

Key Features of the Solar Powered Fountain Pump

Professional Power Performance

Experience unparalleled water movement with this professional-grade pump. Its powerful solar panel system ensures high performance, even in demanding applications.

  • Flow rate with battery: 3950 LPH
  • Maximum flow rate (without battery): 5250 LPH
  • Maximum head height: 3m (without battery)
  • Designed for large-scale pond oxygenation and water circulation.

Innovative Battery Backup

Enjoy reliable performance even during cloudy periods or at night, thanks to the integrated LiFePO4 battery backup with MPPT Technology.

  • Stable and consistent operation in more challenged weather conditions.
  • Extended running times for uninterrupted water movement.
  • Optional operation for maximum flow during peak requirements.
  • Reliable performance moderation to meet your specific needs.

Eco-Friendly and Cost-Effective

Reduce your environmental impact while enjoying zero running costs. This solar-powered pump is designed to operate sustainably with minimal maintenance.

  • Powered entirely by solar energy, eliminating the need for electricity.
  • Environmentally friendly design that supports green energy initiatives.
  • Durable construction ensures a long lifespan with minimal upkeep.
  • Simple setup with no complex wiring required.

In addition to its outstanding performance, this solar-powered fountain pump comes with exclusive benefits to ensure your satisfaction and peace of mind. Discover how this product goes beyond expectations to deliver value and reliability:

Experience the Difference With powerbee Ltd

Proven Quality

  • Best Buy Award Winner (2021–2025)
  • 16+ years in solar water systems
  • RoHS, REACH, CE, UKCA compliant

UK Support

  • Technical help within 24 hours
  • Clear setup guidance included
  • Video help for common installs
  • support@powerbee.co.uk

Customer Assurance

  • 2-year warranty on pump products
  • 30-day money-back guarantee
  • Free 24-hour UK mainland delivery
  • 07786 948 899
✓ 2-year warranty (pump products) ✓ 30-day money-back guarantee ✓ Free 24-hour UK mainland delivery
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Technical Specifications

SpecificationDetails
Solar Panel100W (2 x 50W) Polycrystalline Solar Panel
Solar Panel Size2 panels - 670 mm x 530 mm x 30 mm each
Optional Rechargeable Battery Backup12V / 24 Ah LiFePO4 with MPPT Technology
Spray Height180 cm
Flow RateWith battery backup: 3950 LPH (1043.6 GPH)
Without battery backup: 5250 LPH (1346.67 GPH)
Max HeadWith battery backup: 1.8 m / 5.9 ft and MPPT
Without battery backup: 3.0 m / 9.84 ft
Max Power Voltage17.28 V
Panel Max Power Output23.5 W
Battery Maximum Input Power150 W
Maximum Power for Pump Output Port48 W
Maximum Power for Light Output Port12 W
Maximum Power for Universal Output Port12 W
Outlet HoseCan connect 26 / 32 / or 38 mm tubing
Usage Time from Fully Charged Battery9.5 Hours
Average Running Time on a Sunny Day in the UK16.5 Hours
UsageSpring / Summer
Lead Length5 meters between battery and pump, and 5 meters between solar panel and battery
Additional FeaturesThe pump has dry run protection
Guarantee12 months as standard (Batteries 6 months guarantee)
StoragePlease do not allow battery to go flat over winter period for years of use
Power SourceSolar
CertificationRoHS, REACH, CE, UKCA certified.
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Installing Your Pump System

Our pump systems are designed for efficient, year-round operation, delivering best performance during spring and summer. Follow this guide for proper setup, seasonal adjustments, and maintenance to maximize performance and product life.

Quick Installation Guide

  • Step 1: Place pump in water on stable platform
  • Step 2: Connect pump to battery box
  • Step 3: Connect battery box to solar panel
  • Step 4: Position solar panel in direct sunlight
  • Step 5: Select spray head, turn on, and enjoy!

1. Before You Begin

Component Verification

  • Inspect solar panel for cracks or damage
  • Verify pump unit is operational
  • Check cables for fraying or loose connections
  • Confirm all mounting hardware is included
  • Ensure battery box is intact and dry

Site Assessment

  • Choose location with full sun exposure
  • Calculate total head height and pump distance
  • Ensure accessibility for ongoing maintenance
  • Identify safe, dry battery box location
  • Avoid shaded areas from trees or structures

2. Critical Safety Guidelines

  • Never place battery box in water or pond
  • Keep battery box upright at all times
  • Ensure ventilation around battery box
  • Avoid placement in flooding-prone areas
  • Do not cover battery box
  • Maintain drip loops in all cables

3. Installation Process

Solar Panel Positioning

  • Mount securely using provided hardware
  • Face panel south for maximum exposure
  • Winter angle: 60°
  • Spring/Autumn angle: 40°
  • Summer angle: 20–30°
  • Check mounting points are secure

Pump Placement

  • Place higher in water for improved performance
  • Avoid bottom placement to prevent clogging
  • Use a stable platform or floating device
  • Upturned flower pots work as platforms
  • Secure pump to avoid movement
  • Install suitable outlet fitting

Battery Box Installation

  • Keep dry and upright to avoid damage
  • Elevate at least 15cm off the ground
  • Hard surfaces: use rubber mat for splashback
  • Soft ground: elevate on treated wood
  • Tighten lid screws before winter
  • Store indoors during extreme cold
  • Maintain 10cm clearance for ventilation

Cable Management

  • Create drip loops to prevent water ingress
  • Form U-loops if box is below panel level
  • Secure cables to prevent strain
  • Tighten all connections
  • Use weatherproof covers if needed
  • Ensure correct polarity at all times

4. System Optimization

Performance Testing

  • Test under full sunlight
  • Verify flow rate and head height
  • Monitor in different light conditions
  • Check tubing and connectors for leaks
  • Adjust pump placement as needed

Seasonal Maintenance

  • Clean solar panels quarterly
  • Inspect pump monthly
  • Clean filter system to prevent clogs
  • Check electrical connections
  • Adjust panel angles seasonally

5. Winter Care

  • Remove pump if freezing is likely
  • Store battery indoors during extreme cold
  • Fully charge battery before storage
  • Keep components in dry, safe storage
  • Expect reduced winter performance
  • Consider shutting down non-essential features

How Your Pump System Works Guide

Discover the operational principles and realistic performance expectations of your energy-efficient water pump system throughout the seasons. This guide helps you understand your system's capabilities and how to maximize its potential.

1. Operating Principles

Energy Collection
  • The panel captures sunlight and converts it to electrical energy
  • Energy powers the pump directly or charges the battery (in backup models)
  • System activation depends on light intensity and system type
  • Performance varies significantly with weather conditions
System Types
  • Direct Systems: Function only with sufficient direct sunlight
  • Battery-Backed Systems: Store energy for more consistent operation
  • Hybrid Systems: Combine immediate operation with energy storage
  • Each type offers different benefits based on your specific needs

2. Realistic Performance Expectations

Direct Systems Performance
  • Operation strictly dependent on available sunlight
  • Flow varies continuously with passing clouds
  • May start and stop multiple times on partly cloudy days
  • Strongest performance during midday hours with direct sun
  • No operation during evening or heavily overcast conditions
Battery-Backed Systems Performance
  • More consistent operation throughout the day
  • Continues running during brief cloudy periods
  • Provides operation after sunset (typically 1–8 hours depending on model)
  • Maintains steadier flow rate regardless of minor light variations
  • May include adjustable flow settings and timer functions

3. Seasonal Performance

Summer Performance (May to August)
  • Peak performance period for all system types
  • Direct Systems: Operation possible from early morning to evening on clear days
  • Battery Systems: Consistent daytime operation plus evening hours
  • Maximum flow rates achieved during direct midday sun
  • Best charging efficiency for battery models
Spring/Autumn Performance (March–April, September–October)
  • Reduced operational hours with shorter daylight
  • Direct Systems: Expect 40–60% of summer performance
  • Battery Systems: More reliable operation but reduced evening hours
  • Performance varies significantly with weather conditions
  • Panel angle adjustment becomes more critical
Winter Performance (November–February)
  • Significantly limited operation for all systems
  • Direct Systems: May only operate briefly during peak sun (5–10% of summer performance)
  • Battery Systems: Limited daytime operation with minimal evening hours
  • Many customers choose to store system during winter months
  • Performance highly dependent on clear, sunny conditions

4. Advanced MPPT Technology

Our exclusive Maximum Power Point Tracking system maximizes efficiency in more challenged light conditions:

How MPPT Works
  • Continuously optimizes solar panel output
  • Automatically adjusts to changing light conditions
  • Previously only available in industrial systems
30% Efficiency Boost
  • Enhanced performance in lower light
  • Faster battery charging
  • Longer operating hours
PowerBee Innovation
  • First in small pumps
  • Professional-grade technology
  • Sets a new industry standard

5. Optimizing Performance

Seasonal Panel Positioning
  • Winter (Nov–Feb): Position at 60°
  • Spring/Autumn: Adjust to 40°
  • Summer: Set at 20–30°
Critical Installation Factors
  • Panel facing south for max exposure
  • No shading — even partial shade reduces output
  • Clean weekly for max efficiency
  • Sun all day with no obstruction
  • Keep battery units dry & ventilated

6. System-Specific Features

Direct-Powered Systems
  • Maintenance-free operation
  • No moving parts beyond pump
  • Lower upfront cost than battery systems
  • Best for daytime use
  • Ideal for sunny locations
Battery-Backed Systems
  • Operation in variable weather
  • Runs during cloudy periods + evenings
  • Many include timers
  • Low-battery protection
  • Best for constant circulation

7. Maintenance for Longevity

Regular Care
  • Clean panel weekly
  • Clean pump filter monthly
  • Check all connections
  • Inspect cables
  • Adjust panel seasonally
Battery Maintenance
  • Keep battery dry & ventilated
  • Allow full charge cycle periodically
  • Store indoors in extreme cold
  • Check for corrosion
  • Replace after 18–24 months

8. Winter Considerations

Winter Storage Recommendations
  • Remove system during winter
  • Clean before storage
  • Store in frost-free location
  • Battery fully charged
  • Inspect before reinstall in spring
Winter Operation
  • Expect ~5–10% of summer capacity
  • Direct systems may not operate
  • Battery systems offer limited function
  • Panel at 60° angle
  • Protect pump from freezing
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