Solar Cells for DIY Panels: Standard & Flexible | Mr. Watt

Solar cells

Solar cells are the beating heart of photovoltaic technology: essential components designed to transform sunlight into clean, renewable electricity. Thanks to the use of advanced materials and extremely high conversion efficiency, our catalog offers ideal solutions for every need.

  • For every project: Perfect for residential and industrial applications, as well as for DIY, model aircraft, and powering autonomous devices.

  • Different technologies: Choose between the high performance of monocrystalline cells and the reliability of polycrystalline ones, always ensuring long-lasting durability.

  • Complete assortment: From traditional rigid modules to the innovative options in our section dedicated to Flexible Solar Cells.

Discover our range at Mr. Watt and choose the photovoltaic components best suited to your energy needs!

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Subcategories

Flexible Solar Cells for DIY, RV & Marine
Flexibles
Custom-cut mono and poly solar cells in special formats
Monocrystalline and Polycrystalline
Green colored solar cell, tile, red, yellow, brown, marble
Colored
DIY photovoltaic kits - Solar energy for everyone
DIY photovoltaic kits
52x52mm 1BB Solar Cell 0.50Wp | MR WATT
Polycrystalline Solar Cell 2"x2" or 52x52mm of 1BB
In Stock
52x52 mm (2x2 inch) polycrystalline solar cell rated about 0.50 Wp with 1 busbar. Nominal values: Vmp 0.544 V, Imp 0.90 A, Voc 0.64 V and 18.7% efficiency.
A compact square format for mini modules, models, sensors, prototypes and STEM labs. This is a bare cell and requires ribbon, soldering, support and encapsulation.
€0.42 Tax escl.
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26x52mm 1BB Solar Cell 0.25Wp | MR WATT
Polycrystalline solar cell 1"x2" or 26x52mm of 1BB
In Stock
26x52 mm (1x2 inch) polycrystalline solar cell rated about 0.25 Wp with 1 busbar. Nominal values: Vmp 0.544 V, Imp 0.45 A, Voc 0.64 V and 18.7% efficiency.
A very compact format for micro modules, models, small sensors, prototypes and STEM labs. This is a bare cell and requires ribbon, soldering, support and encapsulation.
€0.40 Tax escl.
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26x78mm 1BB Solar Cell 0.35Wp | MR WATT
1"x3" or 26x78mm Polycrystalline Solar Cell with 1BB
In Stock
26x78 mm (1x3 inch) polycrystalline solar cell rated about 0.35 Wp with 1 busbar. Nominal values: Vmp 0.544 V, Imp 0.70 A, Voc 0.64 V and 18.7% efficiency.
A narrow format for micro modules, sensors, models, prototypes and STEM labs. This is a bare cell and requires ribbon, soldering, support and encapsulation.
€0.42 Tax escl.
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52x78mm 2BB Solar Cell 0.73Wp | MR WATT
Out-of-Stock
Polycrystalline solar cell 2"x3" or 52x78mm with 2BB
Out-of-Stock
52x78 mm (2x3 inch) polycrystalline solar cell rated about 0.73 Wp with 2 busbars. Nominal values: Vmp 0.544 V, Imp 1.40 A, Voc 0.64 V and 18.7% efficiency.
A compact rectangular format for mini modules, prototypes, models and STEM labs. This is a bare cell and requires ribbon, soldering, support and encapsulation.
€0.46 Tax escl.
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78x78mm 1BB Solar Cell 1.15Wp | MR WATT
3"x3" or 78x78mm Polycrystalline Solar Cell with 1BB
In Stock
78x78 mm (3x3 inch) polycrystalline solar cell rated about 1.15 Wp with 1 busbar. Nominal values: Vmp 0.544 V, Imp 2.10 A, Voc 0.64 V and 18.7% efficiency.
A compact square format for mini photovoltaic modules, prototypes, models and STEM labs. This is a bare cell and requires ribbon, soldering, support and encapsulation.
€0.53 Tax escl.
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78x156mm 3BB Solar Cell 2.33Wp | MR WATT
Polycrystalline solar cell 3"x6" or 78x156mm with 3BB
In Stock
78x156 mm (3x6 inch) polycrystalline solar cell rated 2.25-2.33 Wp with 3 busbars. Nominal values: Vmp 0.544 V, Imp 4.22 A, Voc 0.64 V and 18.7% efficiency.
The rectangular format suits narrow modules, prototypes, compatible repairs and STEM labs. This is a bare cell and requires ribbon, soldering, support and encapsulation.
€1.05 Tax escl.
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156x156mm 3BB Solar Cell 4.67Wp | MR WATT
Polycrystalline Solar Cell 6"x6" or 156x156mm with 3BB
In Stock
156x156 mm (6x6 inch) polycrystalline solar cell rated 4.55-4.67 Wp with 3 busbars. Nominal values: Vmp 0.544 V, Imp 8.44 A, Voc 0.64 V and 18.7% efficiency.
Suitable for DIY photovoltaic modules, prototypes, STEM labs and repairs designed around a 3BB layout. This is a bare cell and requires ribbon, soldering, support and encapsulation.
€1.89 Tax escl.
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156x156mm 5BB Solar Cell 4.67Wp | MR WATT
Polycrystalline Solar Cell 6"x6" or 156x156mm of 5BB
In Stock
156x156 mm (6x6 inch) polycrystalline solar cell rated 4.55-4.67 Wp with 5 busbars. Nominal values: Vmp 0.544 V, Imp 8.44 A, Voc 0.64 V and 18.7% efficiency.
A high-current format for DIY photovoltaic panels, compatible repairs, prototypes and STEM labs. This is a bare cell and requires ribbon, soldering, support and encapsulation.
€1.79 Tax escl.
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