400 LPH Pond Filter & Pump Kit – 8W MPPT Battery, Ponds to 750L

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Overview

Keeps small ponds up to 750 litres clear with dual mechanical and biological filtration, driven by an 8W MPPT solar panel with LiFePO4 battery for all-day running.

  • 400 LPH flow for filtration and fountain spray
  • Dual filtration clears debris and supports balance
  • MPPT battery runs up to 18 hours on sunny days
  • LED lights included for pond glow at night
  • Fountain heads create spray up to 80cm high
  • Adjustable flow for gentle or stronger output
  • Dry-run protection saves the pump
  • No mains needed – full DIY install

Product Overview

✓ Hybrid Solar + Battery System ✓ Complete Filter & Fountain Solution ✓ Ideal for Ponds up to 750L ✓ Up to 18-Hour Daily Runtime ✓ 8 W Solar Panel ✓ Free 24 Hour UK Delivery On All Orders

Use this kit by setting up the pump and filter system in your pond and then selecting the flow to suit your feature and filtration needs. It’s designed for small and medium ponds and can also be used to run a fountain display and circulation, depending on how you configure the included heads and lights.

Pond Suitability Guide

Pond Size

Suitable for ponds up to 750 litters, providing ideal conditions for aquatic life.

  • Small Ponds (up to 500L): Ideal
  • Medium Ponds (500–750L): Suitable
  • Large Ponds (750L+): Not Recommended

Power System

Versatile power options ensure reliable year-round operation:

  • 8W solar panel with MPPT technology
  • Integrated battery backup system
  • Optional mains power adapter for direct pump operation

Water Features

Create stunning displays with fountain heights up to 55cm and adjustable flow rates up to 400 LPH. Perfect for fountains, cascades, and circulation features.

Fish Stock Levels

Stock Level Recommendation
No Fish Excellent for maintaining water clarity and circulation in ornamental ponds.
Light Stock (few small fish) Ideal - The 400 LPH flow rate and dual filtration system maintain perfect water quality.
Medium Stock (moderate number) Suitable with regular maintenance - Dual foam and media nets ensure effective filtration.
Heavy Stock (densely populated) Not recommended - Pond capacity and filtration rate are not suitable for heavy fish stocks.

Flow Rates at Different Heights
(with optional 12mm flexible tubing)

Height Setting Spray Performance (LPH)
Ground Level (0m) 400 LPH - Maximum spray pattern
10cm Height 350 LPH - Full fountain display
30cm Height 260 LPH - Medium fountain height
50cm Height 160 LPH - Gentle spray display
60cm Height 110 LPH - Light misting effect
70cm Height 55 LPH - Fine spray pattern
80cm Height Maximum height reached

Professional Technology & Dual Filtration

Experience cutting-edge innovation with our high-performance hybrid filtration system. Designed for ponds up to 750 liters, this system combines efficiency, reliability, and versatility to transform your outdoor space.

Advanced Power System

Versatile power management featuring:

  • 8W Grade A polycrystalline solar panel with MPPT technology
  • Maximum head height of 0.8m
  • Adjustable flow rates up to 400 LPH
  • Optional mains power adapter for direct pump operation

Intelligent Battery Management

Enhanced power reliability with:

  • 6.4V, 4.0Ah Lithium-Ion battery
  • Up to 18 hours operation on sunny days
  • Dual power operation – solar or direct mains operation
  • Battery is charged via solar power only

Dual Filtration System

Superior water quality through:

  • Mechanical and biological filtration
  • High-grade foam filters
  • Customizable media options
  • Optimal pond health maintenance

Versatile Applications

Complete water management:

  • Efficient filtration
  • Water circulation
  • Decorative fountain displays
  • Adjustable flow control

Advanced Dual Filtration Media

Choose between two highly effective filtration media options, each offering unique benefits for your pond's ecosystem. Whether you prefer the advanced molecular filtration of Zeolite or the natural efficiency of gravel, both options ensure excellent water quality for your pond.

Zeolite Filter Medium

  • Powerful ammonia removal capability
  • Excellent water clarity enhancement
  • Rechargeable with salt solution
  • Ideal for ponds with high fish stocks

Gravel Filter Medium

  • Natural biological filtration
  • Supports beneficial bacteria growth
  • Minimal maintenance required
  • Perfect for balanced pond ecosystems

Comprehensive Power Management System

Our advanced hybrid power system delivers unmatched reliability through intelligent power management and multiple operating modes. This versatile solution ensures your pond maintains optimal filtration in all conditions.

2025 solar panel with MPPT technology and integrated battery

Next-generation solar panel with MPPT and built-in battery.

Shown: 2025 model—efficient charging, compact design, and smart power management.

Primary Solar Operation

  • High-efficiency 8W solar panel
  • MPPT technology for optimal power harvest
  • Automatic power management
  • Environmentally friendly operation

Battery Backup System

  • 6.4V, 4.0Ah Lithium-Ion battery
  • Up to 18 hours continuous operation
  • Smart charge management
  • Automatic low-power protection

Optional Mains Power

  • Dual-function power adapter
  • Direct pump operation capability
  • Weather-independent reliability
  • Mains power does not charge the internal battery

Smart Power Integration

  • Seamless operational power switching
  • Optimized performance management
  • Year-round operational capability
  • Enhanced system longevity

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
  • 07782223103
✓ 2-year warranty (pump products) ✓ 30-day money-back guarantee ✓ Free 24-hour UK mainland delivery
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Technical Specifications

SpecificationDetails
Solar Panel8 W Solar Panel Grade A Polycrystalline > 20% Efficiency
Solar Panel Size348 mm x 200 mm x 17 mm
Rechargeable Battery BackupYes, New Improved: 6.4V 4 Ah LiFePO4 (Latest)
Spray Height80 cm
Max Head0.8 m / 2.8 ft
MPPTYes Worlds first Commercially Available Garden pump With MPPT Technology
Flow Rate400 LPH (105.68 GPH)
Optional Mains OperationCan run the pump directly via optional mains/DC adaptor (does not charge battery)
Lead Length5 meters between Panel Battery and Pump
Pump DimensionsLength: 103 mm / Width: 65 mm / Height: 74 mm
Outlet13 mm (12 mm internal tubing fits directly onto pump)
Auto OperationUnit starts only when the battery is nearly fully charged - not in the morning
Float IncludedYes, to float the pump in deep water if needed
Adjustable FlowYes, to allow fitting to any small or medium pond or container
Additional FeaturesThe pump has dry run protection and variable flow
Wall Mounting PanelYes, both floor & wall mounting panel
SeasonSpring / Summer
Power SourceSolar
Guarantee2 years
Max. Pond Size750 litres
Filter Box Dimensions30 x 21 x 16 cm (LxWxH)
Running CostsNone
Mechanical Filter4 x Foam Pieces & 2 x Fine Media Nets (Included)
Biological FilterZeolite Media and Gravels (Sold Separately)
Fish TypeFor Light Fish Stocks: Not designed to keep Koi or heavy fish stocks
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Smart MPPT Filtration Technology Explained – Installation Instructions

Quick and easy setup guide to get your solar pump running in just a few simple steps.

The PowerBee Smart MPPT filtration system combines advanced solar technology with intelligent power management to deliver consistent performance. The system is primarily solar powered, with an optional mains input available to run the pump directly when required.

1. Before You Begin

Essential preparation steps to ensure a smooth installation.

  • Check all components are included in the box
  • Select an ideal sunny location for the solar panel
  • Decide whether solar-only or optional mains operation is required
  • Ensure pond area is ready for pump placement

2. Solar Panel & Battery Setup

Correct positioning of the solar components ensures best performance.

  • Install ground spike at approx. 45° angle facing south
  • Mount solar panel securely on spike or wall
  • Position battery box in a shaded, dry location
  • Connect solar panel to battery box (5 m cable supplied)

3. Pump Installation

Setting up the water circulation system.

  • Connect pump to battery box (3 m cable)
  • Place pump in pond using float attachment if required
  • Route cables neatly and safely away from water edges

4. Optional Mains Operation

For shaded gardens or extended operation, the pump can be powered directly from mains.

  • Optional mains/DC adaptor runs the pump directly
  • Mains power does not charge the battery
  • Use an indoor socket or a weatherproof outdoor socket
  • Consider cable length when choosing socket location

5. Testing & Adjustment

Final checks and optimisation.

  • Switch on system and verify water flow
  • Adjust flow control to desired level
  • Check fountain height and spray pattern
  • Confirm smooth automatic operation

6. Regular Maintenance & Care

Simple steps to maintain long-term performance.

  • Clean solar panel monthly
  • Remove debris from pump and filters regularly
  • Check water levels during hot weather
  • Inspect cables periodically for wear

Smart Filter System – How It Works

Understanding your professional-grade solar pond filtration system – a simple guide to keeping your pond crystal clear.

Power Generation & Storage

The system uses solar power with integrated battery storage for reliable prolonged operation.

  • 8W high-efficiency solar panel
  • 6.4V, 4Ah LiFePO₄ battery backup
  • Up to 18 hours running time
  • Automatic power management system

Dual-Stage Filtration

Advanced two-stage filtration process ensures thoroughly cleaned pond water.

  • Two foam filters for debris capture
  • Two fine media nets for small particles
  • Biological media for natural cleaning
  • Complete water purification system

Pump & Circulation

Efficient 400 LPH pump system maintains optimal water movement.

  • Supports ponds up to 750L
  • Adjustable flow control
  • Enhanced water oxygenation
  • Constant circulation maintenance

Seasonal Operation

Designed for optimal performance during spring and summer when pond maintenance is most critical.

  • Day/night automatic switching
  • Cloudy weather backup power
  • Peak performance in warmer months
  • Optional mains power can run the pump directly (battery charges via solar only)
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