Best Monocrystalline Solar Panel 300w Deals Online in the UK (10 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
CraigSolar.co.uk

New
300w Solar Panel Monocrystalline 23% High efficiency cell Black Frame 147x99cm CraigSolar.co.uk

£185.00
Best Value
FIREFLY ENERGY

New
FIREFLY ENERGY 300W (Pack of 2 x 150 Watt) Flexible Solar Module Monocrystalline Solar Module Solar Module for Caravans,
【High Efficiency Solar Panel】 The panel is made of solar cells with a conversion rate of more than 23.5%. 1/2 cut solar

£169.99
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WERCHTAY

New
300w Solar Panel, 25% High-Efficiency Solar Module, PV Module Power Charger for Boats, Caravans, Home Farm, Battery and
【High Efficiency】The 300W solar panel utilizes the latest generation of HPBC technology. Its high efficiency is 25%, and

£138.69 £149.99
Generic

New
CraigSolar.co.UK 300w Flexible Solar Panel Monocrystalline, Huge 14 Busbar, 23% High Efficiency Cell (147x99cm)
✅ EXCELENT PERFORMANCE - Huge +22% module efficiency, High Quality and Outstanding performance. 14 busbar German cells.

£209.00
HoldOneLight

New
300 Watt Ultra-Thin Solar Panel, 2X 150W 12V-24V PET Flexible Solar Panel Kit with 40A Controller, Flexible Monocrystall
Energy-Efficient and Efficient: Solar panels use high-efficiency monocrystalline cells, which are more efficient than ma

£167.34
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Photonic Universe

New
300W bi-Facial monocrystalline Solar Panel with 60cm Cable
Advanced bifacial solar technology that captures sunlight on both the front and rear surfaces, increasing energy output

£129.99
XINPUGUANG

New
XINPUGUANG 300w Solar Panel Off Grid Kit 2pcs 150 Watt Monocrystalline Photovoltaic Solar Module 30A Charge Controller f
【High efficiency】The solar panels are made of Grade A+ PERC monocrystalline silicon cells with a conversion rate of 23%.

£219.90 £239.90
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CraigSolar.co.uk

New
Solar Panel, 300W Monocrystalline, 150 x 100 cm, Silver Frame
DIMENSIONS: Large 150cm x 100cm solar panel with durable silver aluminium frame for enhanced stability and longevity

£179.00
Renogy

New
Renogy Solar Panels, 640W Monocrystalline N-Type Solar Cell 2pcs 320W Solar Panel Kit PV Module Solar Power System, High
【High-Efficiency N-TYPE Cells with 18BB Design】Renogy panels use premium N-TYPE cells and 18BB technology to boost cell

£339.99
XINPUGUANG

New
XINPUGUANG 300W 12V Flexible Solar Panel (2pcs 150 Watt) Monocrystalline Bendable Solar Panels for RV, Boat, Caravan, Sh
【150W High-Efficiency Output with 210mm Monocrystalline Cells】Harness industry-leading 210mm monocrystalline cells (23%

£169.90
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10 Monocrystalline Solar Panel 300w deals are available from: Amazon stores, starting from £129.99.
The biggest discount we found is 10%% on 300w Solar Panel Monocrystalline 23% High efficiency cell Black Frame 147x99cm CraigSolar.co.uk at Amazon.
The lowest price we found is £129.99 while the highest is £339.99.
Prices for the best Monocrystalline Solar Panel 300w deals average at £190.88.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Monocrystalline Solar Panel 300w.