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Overview
Solar water feature replacement pump with 700 LPH flow, 1.6 m lift, and optional MPPT battery backup.
Use it as a replacement pump by matching the outlet and adapters to your existing tubing and then set the solar panel where it can receive direct light. This model is designed to run solar-only (panel direct), or with MPPT technology when purchased with the optional battery backup, so you can choose how you want it to operate when sunlight is limited.
✓ 700 LPH Flow Rate✓ 1.6m Head Height✓ MPPT Battery Option✓ Adapter for Smaller Tubing Included✓ Free 24 Hour UK Delivery On All Orders
Run it directly from the solar panel for maximum daytime flow, or add the optional MPPT LiFePO₄ battery backup for dependable operation during cloudy weather and in the evening. Battery mode provides longer run time but reduced flow rates — see the performance table below for details.
Pump Size: Length: 10.5 cm, Width: 6.8 cm, Height: 7.25 cm – Variable flow rate
Unmatched Flexibility and Performance
Engineered with advanced solar and battery backup technology, this pump offers variable flow control, professional‑grade fittings, and eco‑friendly operation. It comes with a 13 mm outlet for maximum flow, plus adapters for 10 mm and 8 mm tubing so it can be fitted to smaller hoses when required.
Compatibility for Larger Features
Designed for medium to large water features requiring up to 700 LPH flow rate
Includes universal 13 mm outlet with adapters for 10 mm and 8 mm tubing
Plug‑and‑play installation for quick and easy replacement
Advanced Solar Technology
12 W Grade A polycrystalline solar panel with >20% efficiency
MPPT controller for optimised power management when using battery
5‑meter cable for flexible solar panel positioning
Reliable and Efficient Operation
Optional 12 V 4 Ah LiFePO₄ battery backup for extended operation
Runs up to 16 hours on a sunny day (8 hours battery‑only)
Low‑maintenance brushless DC motor design for durability
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.
With a maximum lift height of 1.6 m and a flow rate of 700 LPH, this pump can handle everything from medium‑sized garden fountains to multi‑tier cascades and decorative water displays. Its optional advanced battery backup ensures your water feature remains operational even during cloudy days, giving you peace of mind and reliable performance throughout the season.
Summary of Key Features
An excellent replacement or upgrade for medium and larger water features within its performance range. Designed for reliability and flexibility, this pump delivers consistent results where smaller solar pumps can fall short.
Powerful and Compatible
Perfect upgrade or replacement for demanding water features
Handles up to 700 LPH flow rate
Adapters included for wider tubing compatibility
Performance You Can Trust
Maximum lift height: 1.6 m – suitable for fountains, cascades, and small waterfalls
Spray height: Up to 100 cm with included nozzles
MPPT battery backup maintains operation during cloudy weather
Simple and Eco‑Friendly
Powered by a 12 W high‑efficiency solar panel (>20% energy conversion)
Quick and easy plug‑and‑play installation
Eco‑friendly – no mains electricity required
What Does "Head Height" Mean?
"Head height" refers to the maximum height the pump can push water upwards. For this model, it’s 1.6 m (5.2 ft) — perfect for taller fountains, decorative cascades, and small waterfalls, giving you the confidence to upgrade or replace knowing it can reach the heights you need.
Litres per Hour at Various Pumping Heights
Height
With Battery Backup (12.8V)
Without Battery Backup (18V Direct)
@0m
530 LPH
700 LPH
@0.2m
460 LPH
620 LPH
@0.4m
390 LPH
540 LPH
@0.8m
240 LPH
360 LPH
@1.2m
80 LPH
180 LPH
@1.4m
30 LPH
100 LPH
@1.6m
0 LPH
Maximum Height
Note: Flow rates with battery backup are lower due to reduced operating voltage. Higher lift heights may stop in battery‑only mode.
Ideal Applications
Designed for water features that require extra lift and performance: bespoke or custom‑built fountains, multi‑tier designs, and deeper reservoirs. Adapters allow installation in smaller tubing systems, but the pump is optimised for medium‑to‑large features.
You can operate directly from the solar panel for maximum sunny‑day output, or fit the optional battery backup for evening use and cloudy conditions. Using battery backup lowers peak flow rate but maintains continuous performance when sunlight is limited.
Not sure if this pump is right for your feature? Contact our customer care team for advice, and check the specifications tab for full details.
Built to Last – A Pump You Can Trust
Many water features are supplied with pumps and panels that fail or underperform in demanding conditions. This model is engineered with premium materials, a brushless motor, and a high‑efficiency solar panel for dependable performance, season after season.
Reliable, Long‑Lasting Performance
Built with premium materials
Advanced brushless motor for low‑maintenance operation
High‑efficiency solar panel (>20% energy conversion)
Extended Lifespan & Warranty
Optional LiFePO₄ battery lasts longer than standard SLA models
Designed for repeated seasonal use without replacement
2 Year Warranty
Versatility for Any Suitable Water Feature
Compatible with medium to large fountains, cascades, and more
Variable flow control for precise adjustment
Professional‑grade fittings for secure installation
Perfect for upgrading or replacing underpowered systems
Follow this simple guide to replace your existing pump and upgrade your water feature with our advanced battery backup system. Firstly Please ensure your reservoir opening is large enough for the pump size
Easy Installation in 3 Steps
Step 1: Removing Old Pump
Disconnect and remove the existing pump
Keep original tubing if it’s in good condition
Pro Tip: Take photos of the original setup for reference
Step 2: Installing New Pump
Connect the Uni-Pump using the universal adapters provided
Secure all connections with the included clips
Pro Tip: Test fit everything before final installation
Step 3: Solar Panel Setup
Position the solar panel for maximum sun exposure
Connect the 5-meter cable to the battery unit
Important: South-facing placement is recommended for best results
Battery Backup Placement
If purchased, the battery unit must be installed in a dry location – never in the pond. Place it upright on its feet as shown in the product images to ensure the seal is effective. If mounting on a wall, use a secure shelf and leave a drip loop in the cable so water cannot run down into the unit. Correct placement protects the system from water ingress and extends its lifespan.
Performance Flow Rates
Height
Flow Rate
0m
700 LPH
0.2m
620 LPH
0.4m
540 LPH
0.8m
360 LPH
1.2m
180 LPH
1.4m
100 LPH
Maximum
1.6m
Optimization & Maintenance Tips
Battery Performance
Allow 2-3 sunny days for the battery to condition optimally.
Regular Maintenance
Clean the pump filter monthly to maintain peak performance.
Winter Care
Store the battery unit indoors during winter months to prolong its lifespan.
Compatibility Check
What We Need to Help
Original pump model or flow rate (printed on pump)
Height and type of your water feature
Tubing size – ideally the internal diameter (External diameter is helpful but less important)
We stock easy-fit tubing adapters for all common sizes (e.g. 8mm to 12mm)
Adapters are simple to use and make fitting straightforward
Internal diameter is the key measurement (most are standard)
If needed, we can supply spare tubing pieces with your adapter
PowerBee has years of experience—just ask if you need advice!
Ready to Operate
Once installed, the Uni-Pump Solar Water Feature Pump Pro will start working automatically in sunlight. Thanks to the advanced battery backup, in spring & summer it will continue operation during cloudy periods and well into the evening, ensuring uninterrupted enjoyment of your water feature.
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
