Sailboat Solar Panels
We are cruising sailors and our specialty is all things solar for sailors, including lithium batteries.
If you have any questions at all, say on how to mount panels or want to go over your power consumption calculations please call any time at 248 705-8337.
How much solar do I need? I just need panels Just browsing and learning Tell me about lithium batteries
We provide all sizes of rigid, semi-rigid walk on and semi-flexible marine solar panels for built specifically for sailboats. Our innovative solar panel mounting hardware is robust and we use, have used, and have tested all our mounting systems, solar panels, solar controllers, and lithium batteries on our own "testing" vessel as we cruise for six weeks or so each summer on our Ericson 38. It's tough work but somebody has to do it and we figure may as well be us.
For a sailboat, space is at a premium so having the highest output solar cells available is key. We primarily use SunPower's highest grade A+ 23.7% efficient monocrystalline solar cells. They still put out significant power even when partially shaded. Our panels have essential blocking and bypass diodes built in and silicon-filled junction boxes. Our rigid solar panels have strong anodized aluminum frames and marine grade sealants. Our semi-flexible and semi-rigid solar panels average the same output per area as our rigid panels. They're made with ETFE laminates that won't deteriorate, degrade or delaminate in heavy sun.
For measurements, power output, pricing chart see here.
If you have any questions at all, say on how to mount panels or want to go over your power consumption calculations please call any time at 248 705-8337.
How much solar do I need? I just need panels Just browsing and learning Tell me about lithium batteries
We provide all sizes of rigid, semi-rigid walk on and semi-flexible marine solar panels for built specifically for sailboats. Our innovative solar panel mounting hardware is robust and we use, have used, and have tested all our mounting systems, solar panels, solar controllers, and lithium batteries on our own "testing" vessel as we cruise for six weeks or so each summer on our Ericson 38. It's tough work but somebody has to do it and we figure may as well be us.
For a sailboat, space is at a premium so having the highest output solar cells available is key. We primarily use SunPower's highest grade A+ 23.7% efficient monocrystalline solar cells. They still put out significant power even when partially shaded. Our panels have essential blocking and bypass diodes built in and silicon-filled junction boxes. Our rigid solar panels have strong anodized aluminum frames and marine grade sealants. Our semi-flexible and semi-rigid solar panels average the same output per area as our rigid panels. They're made with ETFE laminates that won't deteriorate, degrade or delaminate in heavy sun.
For measurements, power output, pricing chart see here.
High Performance CMP Sailboat Solar Panel Specifications Summary
A Few Facts About Sailboat Solar Panels
Panel Type - There are many articles written on the two types of solar panels also referred to as photovoltaic panels (PV) ; monocrystalline and polycrystalline. Monocrystalline panels are made up of single crystal silicon wafers. Polycrystalline panels are made using silicon wafers that have a multiple crystalline structure. There are pros and cons to each type of panel. Monocrystalline panels have a higher output per square inch in direct sun. They can be sensitive to shading and output may degrade faster on cloudy days. Polycrystalline panels tend to have a lower output per square inch in direct sun but are not as sensitive to being shaded. It is important to note that today's newer high quality polycrystalline panels perform within 5% of monocrystalline panels in full sun. The premium monocrystalline SunPower cells used in our marine solar panels provide the best all around performance of any solar cells on the market.
Panel Solar Cell Quality - Because boats have a relatively confined space, maximum power output per surface area is very important. The quality of the solar cells used in solar panels is a key factor in determining the panel output. Solar cells are passed under a standard light source and graded as to their output (1-10). Grades are grouped into classes. Class A (and A+) solar cells are grades 8-10, Class B solar cells are grades 4-7 and so on. Solar cell quality follows a bell curve; there are many more Class B solar cells than Class A. We at CMP specify only the best Class A-9 (A+) solar cells for use in our panels which results in a panel efficiency of 16-24%. Less expensive Class B and C panels are often used on land based solar farms where space is not an issue. Though a bit more expensive, our customers have reported that our solar panels often outperform the performance rating on the panel label.
Panel Solar Cell Quality - Because boats have a relatively confined space, maximum power output per surface area is very important. The quality of the solar cells used in solar panels is a key factor in determining the panel output. Solar cells are passed under a standard light source and graded as to their output (1-10). Grades are grouped into classes. Class A (and A+) solar cells are grades 8-10, Class B solar cells are grades 4-7 and so on. Solar cell quality follows a bell curve; there are many more Class B solar cells than Class A. We at CMP specify only the best Class A-9 (A+) solar cells for use in our panels which results in a panel efficiency of 16-24%. Less expensive Class B and C panels are often used on land based solar farms where space is not an issue. Though a bit more expensive, our customers have reported that our solar panels often outperform the performance rating on the panel label.
Average 5 Sun Hours in a Day
The Importance of Solar Cell Quality - Not All 100 Watt Solar Panels Are Created Equal -
High quality high performance solar cells will produce more power at various sun angles than lower quality solar cells; up to 30% more power. An important consideration in determining how much solar power you need is how many watt hours or amp hours of power you can expect to generate in a 24 hour period. Let's say you cruise in an area that receives an average of 5 hours of full sun a day. The average is computed based on the seasonal sun angle and the sun angle from morning through evening. A 100 watt solar panel with average efficiency solar cells may produce 100 watts x 5 hours or 500 watt hours of power in a day. At 13 volts that's about 38 amp hours in a day. A 100 watt panel with high efficiency solar cells will produce up to 30% more power in a 24 hour period or 100 watts x 6.5 effective hours or 650 watt hours of power in a day. At 13 volts, that's about 50 amp hours in a day. 38 amp hours vs. 50 amp hours in a day is significant on a boat. Add more panels in the mix, say 400 watts and we see 152 amp hours vs.200 amp hours, a difference of 48 amp hours. This simple analysis does not take into consideration the impact of clouds or shading both of which will make the disparity even greater. Clearly, the higher the quality of the solar cells the more power produced over time.
Panel Shape - The largest market for solar panels is commercial applications where many many panels are mounted on a roof or in a field. These panels are usually rectangular in shape often twice as long as wide. This shape is often not ideal for marine application. Often a more square shape is preferable, especially for pole mounting.
Marine Grade - It's no secret that the marine environment, especially salt water, can be tough on equipment. To withstand the rigors of the marine environment, solar panels should have strong stout anodized aluminum framing, should be well sealed and waterproof, and have the electrical box on the back of the panel encased in an inert non-corrosive waterproof material (like silicone) to protect the electronic components.
Quality marine grade solar panels are designed with bypass diodes to significantly reduce the impact of shading that so often occurs on a boat.
Choosing the right panel for your needs will require study and/or discussion with PV panel experts. Our staff at Custom Marine Products are ready to help you design the best solar system for your marine needs. Contact us via email or phone for a free consultation.
High quality high performance solar cells will produce more power at various sun angles than lower quality solar cells; up to 30% more power. An important consideration in determining how much solar power you need is how many watt hours or amp hours of power you can expect to generate in a 24 hour period. Let's say you cruise in an area that receives an average of 5 hours of full sun a day. The average is computed based on the seasonal sun angle and the sun angle from morning through evening. A 100 watt solar panel with average efficiency solar cells may produce 100 watts x 5 hours or 500 watt hours of power in a day. At 13 volts that's about 38 amp hours in a day. A 100 watt panel with high efficiency solar cells will produce up to 30% more power in a 24 hour period or 100 watts x 6.5 effective hours or 650 watt hours of power in a day. At 13 volts, that's about 50 amp hours in a day. 38 amp hours vs. 50 amp hours in a day is significant on a boat. Add more panels in the mix, say 400 watts and we see 152 amp hours vs.200 amp hours, a difference of 48 amp hours. This simple analysis does not take into consideration the impact of clouds or shading both of which will make the disparity even greater. Clearly, the higher the quality of the solar cells the more power produced over time.
Panel Shape - The largest market for solar panels is commercial applications where many many panels are mounted on a roof or in a field. These panels are usually rectangular in shape often twice as long as wide. This shape is often not ideal for marine application. Often a more square shape is preferable, especially for pole mounting.
Marine Grade - It's no secret that the marine environment, especially salt water, can be tough on equipment. To withstand the rigors of the marine environment, solar panels should have strong stout anodized aluminum framing, should be well sealed and waterproof, and have the electrical box on the back of the panel encased in an inert non-corrosive waterproof material (like silicone) to protect the electronic components.
Quality marine grade solar panels are designed with bypass diodes to significantly reduce the impact of shading that so often occurs on a boat.
Choosing the right panel for your needs will require study and/or discussion with PV panel experts. Our staff at Custom Marine Products are ready to help you design the best solar system for your marine needs. Contact us via email or phone for a free consultation.
Solar Tax Incentive - As long as there is a head, galley, and at least a bunk onboard and your boat is docked in the United States, your vessel qualifies. This Federal tax credit is a 30% credit on all qualified expenses to purchase and install solar panels and a solar system (including any installation charges), with no maximum limit for equipment placed in service after 2008. Plus you may have tax credits in your state.
How much solar power do you need on your boat?
The amount of power needed while cruising depends on many factors including the energy used by appliances and lighting, the output of the engine alternator, the climate and the length of time away from shore power. These and other factors will determine the amount of solar power and thus size of the solar panel(s) you may need for your boat.
Check out our seminar slides titled Selecting the Proper Solar System and our tutorial titled A Cruiser's Guide to Selecting and Sizing a Solar Charging System under our SUPPORT section. Working with Ed Foster our PV engineer, we have developed several worksheets to assist you in analyzing your on board power generation and consumption and estimating your solar power requirement. Print out our Solar Power Calculation Worksheet and use it as a guide to calculate your power generation requirement. Several other worksheets can be downloaded in our Manuals and Info section.
Check out our seminar slides titled Selecting the Proper Solar System and our tutorial titled A Cruiser's Guide to Selecting and Sizing a Solar Charging System under our SUPPORT section. Working with Ed Foster our PV engineer, we have developed several worksheets to assist you in analyzing your on board power generation and consumption and estimating your solar power requirement. Print out our Solar Power Calculation Worksheet and use it as a guide to calculate your power generation requirement. Several other worksheets can be downloaded in our Manuals and Info section.
Easy to Assemble Marine Solar System Kits
We have developed easy to assemble kits for rigid panel top-of-pole mounting and for semi-flexible panel bimini and hard surface mounting. Each kit contains everything you need to install a solar system on your boat or RV.
Properly matching solar panels to charge controllers can greatly increase the system charging efficiency, reducing battery charge time and increasing battery life. Our complete solar panel kits provide everything you need to install and operate a marine solar system; solar panel, hardware, charge controller Solar Controllers, solar wire, MC4 connectors and instruction manual. Contact us for help in designing a custom kit specific to your needs.
Properly matching solar panels to charge controllers can greatly increase the system charging efficiency, reducing battery charge time and increasing battery life. Our complete solar panel kits provide everything you need to install and operate a marine solar system; solar panel, hardware, charge controller Solar Controllers, solar wire, MC4 connectors and instruction manual. Contact us for help in designing a custom kit specific to your needs.
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Semi-Flexible Marine Solar Panels with SunPower Solar Cells |
Our SunPower monocrystalline cell flexible 55 - 145 watt high efficiency solar panels are manufactured to our specifications by highly acclaimed solar panel manufacturers.
Unique features of our semi-flexible marine grade panels include the following:
Unique features of our semi-flexible marine grade panels include the following:
- Quality materials - We use impermeable ETFE laminates that will not cloud of degrade with exposure to intense UV light.
- Grade A+ SunPower solar cells - The panels are comparable in performance to our rigid panels.
- Mounting flexibility - Flexible panels will contour and flex against curved surfaces with a maximum bending radius of 30 degrees, ideal for mounting on a bimini top or a curved deck surface.
- Mounting options - Each panel can be affixed by high bond tape, snap, magnetic or screw mounting. Our screw mounting system has become the most popular method of attaching solar panels to canvas biminis and dodgers. Grommets are an added bonus for ease-of-installation.
- Plug and play - All panels come with industry standard waterproof MC4 connectors on 3 foot (1 meter) long pigtails.
- Maximum output with shading - The panels are equipped with blocking and by-pass diodes so a shaded panel has minimal effect on the solar array performance.
- Purchase options - These panels can be purchased individually or as a complete easy to install kit.
- Durable - Although not recommended, the panels can be lightly stepped on.
Semi-Flexible Marine Solar Panels
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55 Watt Semi-flexible Solar Panel - SunPower Cells - CMP23055F
$
260.00
These panels are ideal for mounting on a canvas top or a curved deck surface. Mounting grommets, MC4 connectors and blocking diodes are included. Call to order black backed panels. 
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Specifications:
Panel Type: Class A Monocrystalline 32 SunPower Cells Rated Power 55 Watts Peak Power Voltage (Vmpp) 19.8 Volts Peak Power Amps (Impp) 2.93 Amps Open Circuit Voltage (Voc) 23.4 Volts Short Circuit Current (Isc) 3.1 Amps Cell Conversion Efficiency 22% Manufacturers Warranty 1 Year @ 80% Dimensions 21.3" X 22.8" 540mm X 580mm Weight 3.3 pounds, 1.5 kg Output Connections: MC4 Connectors on 3 Foot Pigtails Available in black(CMP23055FB) or white backing (CMP23055F) |
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70 Watt Semi-flexible Marine Solar Panel - SunPower Cells - CMP23070F
$
319.00
These panels are ideal for mounting on a canvas top or a curved deck surface. Mounting grommets, MC4 connectors and blocking diodes are included.
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Specifications:
Panel Type: Class A Monocrystalline 40 SunPower Cells Rated Power 70 Watts Peak Power Voltage (Vmpp) 19.8 Volts Peak Power Amps (Impp) 3.6 Amps Open Circuit Voltage (Voc) 23.4 Volts Short Circuit Current (Isc) 3.9 Amps Cell Conversion Efficiency 22% Manufacturers Warranty 1 Year @ 80% Dimensions 21.3" X 27.8" 540mm X 705mm Weight 3.8 pounds, 1.7 kg Output Connections: MC4 Connectors on 3 Foot Pigtails |
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115 Watt Semi-flexible Marine Solar Panel - SunPower Cells - CMP23115F
$
529.00
These panels are ideal for mounting on a canvas top or a curved deck surface. Mounting grommets, MC4 connectors and blocking diodes are included. Blocking diodes and special cells improve performance when partially shaded. High qualityETFE laminate will not turn milky. 
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Specifications:
Panel Type: Class A Monocrystalline 32 SunPower Cells Rated Power 115 Watts Peak Power Voltage (Vmpp) 18.6 Volts Peak Power Amps (Impp) 6.20 Amps Open Circuit Voltage (Voc) 21.9 Volts Short Circuit Current (Isc) 6.7 Amps Cell Conversion Efficiency 23.7% Manufacturers Warranty 1 Year @ 80% Dimensions 21.25" X 42.25" 540mm X 1070mm Weight 4 pounds, 1.8 kg Output Connections: MC4 Connectors on 3 Foot Pigtails |
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Specifications:
Panel Type: Class A Monocrystalline 40 SunPower Cells Rated Power 120 Watts Peak Power Voltage (Vmpp) 20.0 Volts Peak Power Amps (Impp) 6.0 Amps Open Circuit Voltage (Voc) 24.0 Volts Short Circuit Current (Isc) 6.5 Amps Cell Conversion Efficiency 20.4% Manufacturers Warranty 1 Year @ 80% Dimensions 22" X 52.25" 560mm X 1365mm Weight 6.1 pounds, 2.8 kg Output Connections: MC4 Connectors on 3 Foot Pigtails |
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130 Watt Semi-flexible Marine Solar Panel - SunPower Cells - CMP23130F
$
599.00
These panels are ideal for mounting on a bimini top or a curved deck surface. Mounting grommets, MC4 connectors and blocking diodes are included. 
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Specifications:
Panel Type: Class A Monocrystalline 36 SunPower Cells Rated Power 130 Watts Peak Power Voltage (Vmpp) 22.3 Volts Peak Power Amps (Impp) 5.8 Amps Open Circuit Voltage (Voc) 26.3 Volts Short Circuit Current (Isc) 6.2 Amps Cell Conversion Efficiency 23.7% Manufacturers Warranty 1 Year @ 80% Dimensions 21.25" X 47.25" 540mm X 1200mm Weight 5.2 pounds, 2.6 kg Output Connections: MC4 Connectors on 3 Foot Pigtails |
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145 Watt Semi-flexible Marine Solar Panel - SunPower Cells - CMP23145F
$
725.00
These panels use 23.7% efficient SUnPower solar cells. They are ideal for mounting on a bimini top or a curved deck surface. Mounting grommets, MC4 connectors and blocking diodes are included. 
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Specifications:
Panel Type: Class A Monocrystalline 40 SunPower Cells Rated Power 145 Watts Peak Power Voltage (Vmpp) 23.2 Volts Peak Power Amps (Impp) 6.25 Amps Open Circuit Voltage (Voc) 27.38 Volts Short Circuit Current (Isc) 6.75 Amps Cell Conversion Efficiency 23.7% Manufacturers Warranty 1 Year @ 80% Dimensions 21.25" X 52.4" 540mm X 1330mm Weight 6.6 pounds, 3 kg Output Connections: MC4 Connectors on 3 Foot Pigtails |
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Semi-Rigid Marine Grade Walk On Solar Panels with SunPower Cells |
CMP has just released a new series of semi-rigid walk on marine solar panels. With a strong aluminum backing and very thick ETFE laminate non skid surface, these panels can be walked on and can conform to a slightly curved surface (5 degrees). These panels are ideal for mounting on a slightly curved rigid boat or RV surface or on our top-of-pole mounting system. We use premium SunPower Gen III solar cells with an efficiency rating of up to 23.7%, the highest efficiency available anywhere. There is no glass and no aluminum frame so these panels are considerably lighter than our rigid panels but heavier and stiffer than our semi-flexible panel series. The expected life of these panels is 15 years in the harsh marine environment. The panels are available with a white or black backing. They are available in 110,120, 150 and 175 watt power output. See below for details.
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110 Watt Semi-Rigid Marine PV Solar Panel - Premium SunPower Solar Cells
$
659.00
This 110 watt monocrystalline solar panel uses premium SunPower solar cells and will perform extremely well in both full and partial sun. It is built to withstand the harsh marine environment and is ideal mounting on a rigid boat surface. It measures 21.6 x 42.9 inches |
Specifications:
Panel Type: Class A Monocrystalline 40 SunPower Cells Rated Power 110 Watts Peak Power Voltage (Vmpp) 18.6 Volts Peak Power Amps (Impp) 5.9 Amps Open Circuit Voltage (Voc) 21.9 Volts Short Circuit Current (Isc) 6.4 Amps Cell Conversion Efficiency 23.7% Manufacturer's Warranty 1 Year @ 80% Dimensions 21.65" X 42.9" 1090mm X 5500mm Weight 12 pounds, 5.4 kg Output Connections: MC4 Connectors on 3 Foot Pigtails |
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120 Watt Semi-Rigid Marine PV Solar Panel - Premium SunPower Solar Cells
$
719.00
This 120 watt monocrystalline solar panel uses premium SunPower solar cells and will perform extremely well in both full and partial sun. It is built to withstand the harsh marine environment and is ideal for mounting on a rigid boat surface or for top-of-pole mounting. It measures 26 x 38 inches. |
Specifications:
Panel Type: Class A Monocrystalline 40 SunPower Cells Rated Power 120 Watts Peak Power Voltage (Vmpp) 20.3 Volts Peak Power Amps (Impp) 5.9 Amps Open Circuit Voltage (Voc) 24 Volts Short Circuit Current (Isc) 6.4 Amps Cell Conversion Efficiency 23.7% Manufacturer's Warranty 1 Year @ 80% Dimensions 26" X 38" 965mm X 6600mm Weight 12 pounds, 5.4 kg Output Connections: MC4 Connectors on 3 Foot Pigtails |
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150 Watt Semi-Rigid Marine Solar Panel - Premium SunPower Solar Cells
$
899.00
This 150 watt semi-rigid monocrystalline solar panel uses premium SunPower solar cells and will perform extremely well in both full and partial sun. It is built to withstand the harsh marine environment and is ideal for mounting on the rigid surface of a boat. It measures 21.6 x 48 inches and is available in all black or white background. |
Specifications:
Panel Type: Class A Monocrystalline 40 SunPower Cells Rated Power 150 Watts Peak Power Voltage (Vmpp) 18.6 Volts Peak Power Amps (Impp) 8.1 Amps Open Circuit Voltage (Voc) 21.9 Volts Short Circuit Current (Isc) 8.7 Amps Cell Conversion Efficiency 23.7% Manufacturer's Warranty 1 Year @ 80% Dimensions 21.6" X 48" 1220mm X 5500mm Weight 12.5 pounds, 5.7 kg Output Connections: MC4 Connectors on 3 Foot Pigtails |
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175 Watt Semi-rigid Marine Solar Panel - Premium SunPower Cells
$
1,049.00
This 175 watt monocrystalline solar panel uses premium SunPower solar cells and will perform extremely well in both full and partial sun. It is built to withstand the harsh marine environment and is ideal for mounting on a rigid boat surface or for top-of-pole mounting. It is available in a white or black background and measures 36.4 x 37.6 inches. |
Specifications:
Panel Type: Class A Monocrystalline 40 SunPower Cells Rated Power 175 Watts Peak Power Voltage (Vmpp) 29.4 Volts Peak Power Amps (Impp) 6.0 Amps Open Circuit Voltage (Voc) 34.7 Volts Short Circuit Current (Isc) 6.4 Amps Cell Conversion Efficiency 23.7% Manufacturer's Warranty 1 Year @ 80% Dimensions 36.4" X 37.6" 955mm X 9250mm Weight 18 pounds, 8.2 kg Output Connections: MC4 Connectors on 3 Foot Pigtails |
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Rigid Marine Grade PV Solar Panels with SunPower Cells |
The ideal marine solar panel must be highly efficient (maximum output per surface area) and robust enough to withstand the harsh marine environment. We offer various sizes and types of solar panels to meet the unique needs of our customers. For the cruising boat with modest power requirements, we recommend our 110 - 140 watt panels and for the cruising boat with greater power requirements we recommend our 140 - 200 watt panels. These panels are excellent for mounting on a pole, a rigid deck top or a bimini frame.
Our new 150 watt rectangular panel (57 x 21 inches) is ideal for mounting on dinghy davits or stanchions along the side of the boat. All CMP (Custom Marine Products) solar panels are high quality, high output Class A+ marine grade and backed with a 5 year manufacturers and CMP warranty.
Our new 150 watt rectangular panel (57 x 21 inches) is ideal for mounting on dinghy davits or stanchions along the side of the boat. All CMP (Custom Marine Products) solar panels are high quality, high output Class A+ marine grade and backed with a 5 year manufacturers and CMP warranty.
Our rigid glass monocrystalline solar panels using premium SunPower solar cells are some of the most efficient panels available at over 23% efficiency. These marine grade solar panels will perform extremely well in both full and partial sun. They are built to withstand the harsh marine environment. When integrated with our Tracer BN or Xtra-N MPPT controller, this combination provides the highest output per sq. inch of any most system available.
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110 Watt Rigid Marine Solar Panel - SunPower Cells
$
489.00
This 110 watt monocrystalline solar panel uses premium SunPower solar cells and will perform extremely well in both full and partial sun. It is built to withstand the harsh marine environment and is ideal for top-of-pole, arch and dinghy davit mounting in a 12 volt system. |
Specifications:
Panel Type Premium SunPower Monocrystalline Rated Power 110 Watts Peak Power Voltage (Vmpp) 18.6 Volts Peak Power Amps (Impp) 5.9 Amps Open Circuit Voltage (Voc) 21.9 Volts Short Circuit Current (Isc) 6.4 Amps Cell Conversion Efficiency 22.6% Manufacturers Warranty 5 Years Dimensions 21.3" X 41.7" 540mm X 1060mm Weight 13.8 pounds, 6.3 kg Output Connections: MC4 |
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140 Watt Rigid Marine Solar Panel - SunPower Cells
$
629.00
This Monocrystalline solar panel with premium SunPower solar cells and is one of the most efficient panels available at over 22% efficiency. This marine grade solar panel will perform extremely well in both full and partial sun. It is built to withstand the harsh marine environment and is ideal for top-of-pole, arch and dinghy davit mounting in a 12 volt system. |
Specifications:
Panel Type Premium SunPower Monocrystalline Rated Power 140 Watts Peak Power Voltage (Vmpp) 24.0 Volts Peak Power Amps (Impp) 5.83 Amps Open Circuit Voltage (Voc) 28.3 Volts Short Circuit Current (Isc) 6.3 Amps Cell Conversion Efficiency 23.7% Manufacturers Warranty 5 Years Dimensions 26.6" X 41.7" 675mm X 1060mm Weight 15.9 pounds, 7.2 kg Output Connections: MC4 |
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150 Watt Rigid Marine Solar Panel - Premium SunPower Solar Cells - Rectangular
$
699.00
Monocrystalline solar panel with premium SunPower solar cells. This marine grade solar panel will perform extremely well in both full and partial sun. It is built to withstand the harsh marine environment and is ideal for top-of-pole, arch and dinghy davit mounting in a 12 or 24 volt system. |
Specifications:
Panel Type Premium SunPower Monocrystalline Rated Power 150 Watts Cell Type 125X125 4X11 Peak Power Voltage (Vmpp) 25.5 Volts Peak Power Amps (Impp) 5.9 Amps Open Circuit Voltage (Voc) 30.1 Volts Short Circuit Current (Isc) 6.35 Amps Power Tolerance Range +/- 3% Cell Conversion Efficiency 22.6% Manufacturers Warranty 5 Years Dimensions 56.9" x 21.25" 1445mm x 540mm Weight 19 pounds, 8.6 kg Output Connections: MC4 |
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175 Watt Rigid Marine Solar Panel - Premium SunPower Solar Cells - Square
$
799.00
Monocrystalline solar panel with premium SunPower solar cells. This marine grade solar panel will perform extremely well in both full and partial sun. It is built to withstand the harsh marine environment and is ideal for top-of-pole, arch and dinghy davit mounting in a 12 and 24 volt system. |
Specifications:
Panel Type Premium SunPower Monocrystalline Rated Power 175 Watts Cell Type 125X125 7X7 Peak Power Voltage (Vmpp) 29.4 Volts Peak Power Amps (Impp) 5.95 Amps Open Circuit Voltage (Voc) 34.7 Volts Short Circuit Current (Isc) 6.43 Amps Power Tolerance Range +/- 3% Cell Conversion Efficiency 23.7% Manufacturers Warranty 5 Years Dimensions 36.3" x 37" 920mm X 940mm Weight 19.9 pounds, 9 kg Output Connections: MC4 |
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200 Watt Rigid Marine Solar Panel - Premium SunPower Solar Cells
$
899.00
Monocrystalline solar panel with premium SunPower solar cells. This marine grade solar panel will perform extremely well in both full and partial sun. It is built to withstand the harsh marine environment and is ideal for top-of-pole mounting, arch and davit mounting in a 12 or 24 volt system. |
Specifications:
Panel Type Premium SunPower Monocrystalline Rated Power 200 Watts Cell Type 125X125 5X11 Peak Power Voltage (Vmpp) 33.0 Volts Peak Power Amps (Impp) 6.06 Amps Open Circuit Voltage (Voc) 38.94 Volts Short Circuit Current (Isc) 6.55 Amps Power Tolerance Range +/- 3% Cell Conversion Efficiency 23.7% Manufacturers Warranty 5 Years Dimensions 26.8" x 56.9" 680mm X 1445 X 35mm Weight 23.8 pounds, 10.8 kg Output Connections: MC4 |
Rigid Marine Grade PV Solar Panels with Bosch Monocrystalline Cells
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105 Watt Marine Solar Panel - Bosch Cells
$
429.00
105 Watt Monocrystalline marine solar panel with blocking diodes and MC4 connectors.
*** Call for sale price ***
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Specifications:
Panel Type Class A Monocrystalline Bosch Rated Power 105 Watts Peak Power Voltage (Vmpp) 17.5 Volts Peak Power Amps (Impp) 6.0 Amps Open Circuit Voltage (Voc) 21.6 Volts Short Circuit Current (Isc) 6.48 Amps Cell Conversion Efficiency 17.87% Manufacturers Warranty 5 Years Dimensions 26.38" X 39.37" 670mm X 1000mm Weight 18 pounds, 8.2 kg Output Connections: MC4 |
Our 105 watt monocrystalline solar panel uses Class A+ Bosch solar cells and performs at 17.9% efficiency. This marine grade solar panel will perform extremely well in both full and partial sun. It is built to withstand the harsh marine environment and is ideal for top-of-pole mounting in a 12 volt system. You can expect at least 34 amp hours on a sunny day.
Rigid Marine Grade PV Solar Panels with Qcell Polycrystalline Cells
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100 Watt Marine Solar Panel - Qcell Cells
$
366.00
100 Watt polycrystalline marine solar panel with blocking diodes and MC4 connectors
Our 100 watt polycrystalline solar panel is an excellent overall performer in sun and cloud due to the use of very high quality Class A solar cells. It is tolerant of some shading from rigging. As with all of our rigid solar panels, the electrical box is sealed (potted) with inert silicone to eliminate any possibility of corrosion.
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Specifications:
Panel Type Class A Polycrystalline Qcell Rated Power 100 Watts Peak Power Voltage (Vmpp) 17.5 Volts Peak Power Amps (Impp) 5.71 Amps Open Circuit Voltage (Voc) 21.6 Volts Short Circuit Current (Isc) 6.17 Amps Cell Conversion Efficiency 16.7% Manufacturers Warranty 5 Years Dimensions 26.38" X 39.37" 670mm X 1000mm Weight 18 pounds, 8.2 kg Output Connections: MC4 |
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150 Watt Marine Solar Panel - Qcell Cells
$
549.00
Marine grade Class A polycrystalline high output 150 watt solar panel with MC4 connectors
Our 150 watt polycrystalline solar panel uses the same technology as our popular 100 watt panel, is 16+% efficient and will perform well in both full and partial sun. This panel is tolerant of partial shading from sails and rigging. It is ideal for top-of-pole mounting.
*** Call for sale price ***
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Specifications:
Panel Type Class A Polycrystalline Qcell Rated Power 150 Watts Cell Type 156X156/ 6X6 Peak Power Voltage (Vmpp) 17.6 Volts Peak Power Amps (Impp) 8.52 Amps Open Circuit Voltage (Voc) 21.9 Volts Short Circuit Current (Isc) 9.2 Amps Power Tolerance Range +/- 3% Cell Conversion Efficiency 17.1% Manufacturers Warranty 5 Years Dimensions (inches) 39.5" x 39" 1005 x 992 mm Weight 26.5 pounds 12 kg Output Connections: MC4 |
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160 Watt Polycrystalline Marine Solar Panel - Rectangular
$
579.00
Marine grade Class A polycrystalline high output 160 watt solar panel with MC4 connectors. Rectangular shape This polycrystalline solar panel is rectangular in shape. At 16+% efficiency it will perform well in both full and partial sun. This panel is tolerant of partial shading from sails and rigging.
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Specifications:
Panel Type Class A Polycrystalline Qcell Rated Power 160 Watts Cell Type 156X156/ 9X4 Peak Power Voltage (Vmpp) 17.6 Volts Peak Power Amps (Impp) 8.52 Amps Open Circuit Voltage (Voc) 21.9 Volts Short Circuit Current (Isc) 9.2 Amps Power Tolerance Range +/- 3% Cell Conversion Efficiency 17.1% Manufacturers Warranty 5 Years Dimensions (inches) 26.3"x59" 668mmx1500mm Weight 27 pounds 12 kg Output Connections: MC4 |
How do I mount solar panels to my bimini or dodger?
Bolt-on System - Customers have found that using our canvas bolt-on kit works well for mounting our semi-flexible marine solar panels directly to their boat's bimini or dodger canvas. The kit includes a vinyl disk to be adhered to the underside of the canvas, fender washers to secure the bolt to the canvas, a bolt and nut to tighten the washers to the canvas and an acorn nut to secure the solar panel to the bolt. The kit includes 4 or 6 sets of attachment hardware depending on the solar panel. All metal components are stainless steel.
Magnet Mounting System - This mounting system does not require holes in the canvas. We have found very high power rare earth magnets (up to 20 pound pull strength per magnet) are ideal for temporary mounting of our flexible solar panels on a boat's canvas bimini or dodger. Our rare earth magnet kit includes 8 or 12 magnets and adhesive to attach the magnets to the upper side of the solar panel.
What are the best marine solar panels?
The best marine solar panels have five essential components:
1. Sunpower cells - even if a cell is partially shaded they still produce power. Sunpower's A+ grade cells (Maxxeon) are among the best available putting out up to 23.7% efficiency.
2. Potted (silicone filled) junction boxes - so saltwater cannot corrode the electronics.
3. Easily mountable, either semi-flexible or rigid panels with stout anodized aluminum framing, depending on the application.
4. A+ grade solar cell quality. Cheaper panels will have cheaper, less efficient cells. Space is always at a premium in marine applications so the highest efficiency cells available are imperative. Highly efficient cells produce considerably more power at lower sun angles than lower grade cells.
5. Have bypass diodes to significantly reduce the impact of shading that often occurs on boats.
How much more power can I get from a pole mounted solar panel vs a flat mount?
Our top-of-pole mounting system enables manual tracking of the sun position for maximum panel performance and keeps the panel up and out of the way of the rigging. Rotating or tilting the panel just several times a day to obtain an optimum sun angle can increase the panel output by as much as 30%. This means more power from a smaller panel; ideal for the marine environment where space is limited. Our systems are easy to install and remove. In severe weather, simply tilt the panel horizontally or remove one bolt (or quick release pin), unplug two wires and lift the panel off the pole.
What is the difference between a cheap marine solar panel and an expensive marine solar panel?
High quality high performance solar cells will produce more power at various sun angles than lower quality solar cells; up to 30% more power. An important consideration in determining how much solar power you need is how many watt hours or amp hours of power you can expect to generate in a 24 hour period. Let's say you cruise in an area that receives an average of 5 hours of full sun a day. The average is computed based on the seasonal sun angle and the sun angle from morning through evening. A 100 watt solar panel with average efficiency solar cells may produce 100 watts x 5 hours or 500 watt hours of power in a day. At 13 volts that's about 38 amp hours in a day. A 100 watt panel with high efficiency solar cells will produce up to 30% more power in a day or 100 watts x 6.5 effective hours or 650 watt hours of power in a day. At 13 volts, that's about 50 amp hours in a day. 38 amp hours vs. 50 amp hours in a day is significant on a boat. Add more panels in the mix, say 400 watts and we see 152 amp hours vs.200 amp hours, a difference of 48 amp hours. This simple analysis does not take into consideration the impact of clouds or shading both of which will make the disparity even greater. Clearly, the higher the quality of the solar cells the more power produced over time.
Call us any time for help with your boat's solar panels or solar system, we're happy to talk you through the design of your custom solar system. We specialize in sailboat solar and all types of boating solar panels and systems. We pride ourselves on our service both before and after you purchase.