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Overview
Solar fish pond filter delivering 700 LPH flow with MPPT battery backup and dual mechanical and biological filtration for ponds up to 1000 litres.
Suited to fish ponds up to 1000 litres with light to medium stock
25W solar panel with MPPT for steadier output in mixed light
LiFePO4 battery — keeps the pump running as daylight fades
Dual mechanical and biological filtration for clearer water
Works with zeolite or gravel media for biological support
Adjustable flow control to match your pond and water features
Dry-run protection to prevent pump damage in low water
Supports fountains and cascades up to 1.9 m head height
Set the filter box and pump in the pond and position the solar panel to receive direct sunlight, then allow water to circulate through the filtration stages. The system is intended for small fish ponds up to 1000 litres, with output influenced by sunlight conditions and how the equipment is placed.
✓ Ponds up to 1000 L✓ 700 LPH flow rate✓ Integrated pump & filter✓ MPPT battery backup included✓ 25 W solar panel
As with all solar-powered systems, performance depends on sunlight availability. Best results are achieved in direct sunlight, with reduced output during prolonged overcast conditions or outside peak summer months.
Pond Suitability
Pond Size
Suitable for small fish ponds up to 1000 litres when correctly sized and maintained.
Small ponds: suitable
Medium ponds: suitable
Large ponds: not recommended
Sunlight Requirements
Designed for solar operation in direct sunlight. Output varies with season, weather, and panel placement.
Water Features
Supports pond circulation, fountains, and small cascades where head height requirements are met.
Fish Stock Guidance
Stock Level
Suitability
No fish
Well suited for maintaining water clarity
Light stock
Suitable with routine maintenance
Medium stock
Effective with regular cleaning
Heavy stock
Not recommended
Solar Power & Filtration System
The system uses a 25 W solar panel to power a DC brushless pump, delivering steady circulation for filtration. Mechanical and biological filtration stages work together to remove debris and support a balanced pond environment.
Solar Panel
25 W polycrystalline panel designed for outdoor use and efficient energy capture in suitable sunlight.
Filter Media Options
Compatible with zeolite or gravel media to support biological filtration.
System Flexibility
Suitable for filtration, circulation, and decorative water features.
Integrated MPPT Battery Backup
This system includes an integrated MPPT battery backup. Energy collected during sunny periods is stored and used when light levels drop, helping maintain more consistent operation during variable conditions.
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.
Foam filter stages capture solid debris, reducing waste build-up within the pond.
Biological Filtration
Filter media encourage beneficial bacteria that help break down waste products.
Performance Characteristics
When correctly installed, the system delivers its highest flow at low head heights, with reduced output as pumping height increases. Performance varies depending on sunlight and installation conditions.
Flow Rate by Pumping Height
Height
Flow (Solar)
Flow (Battery)
0 m
700 LPH
560 LPH
0.6 m
480 LPH
380 LPH
1.2 m
250 LPH
200 LPH
1.7 m
70 LPH
0 LPH
Max height
1.9 m
1.7 m
Performance figures are indicative and based on controlled testing. Results vary with sunlight, season, and installation.
