Sunpower Marine Solar Panels - Solar Panel Solar Module PV Solar Grade 180W
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 watt
- Supply Capability:
- 10000000 watt/month
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Specification
Solar panel material
1. glass
Its main role is to protect the power generation ( solar cells ) , there is a selection of light transmittance requirements : 1 ) must be high transmittance (typically 91% or more ) ; 2 ) super white steel processing.
2. EVA
For bonding glass and power generation fixed body ( such as cells ) , transparent EVA material directly affect the life of components exposed to the air EVA prone aging yellow , thus affecting the transmittance components , thus affecting in addition to generating the quality of the components itself, the quality EVA lamination process on the component manufacturers is also very large, such as EVA plastic viscosity of non-compliance , EVA and glass, back bonding strength is not enough, can cause premature aging EVA, the affected component life.
3. Solar cells
The main role is to generate electricity , the electricity is the main market mainstream film crystalline silicon solar cells , thin-film solar cells , both have their advantages and disadvantages . Crystalline silicon solar cells , the equipment costs are relatively low , but the high cost of consumption and cells , photoelectric conversion efficiency is high, the next generation in outdoor sunlight is more appropriate ; higher thin-film solar cells , the relative cost of equipment , but the cost of consumption and battery low, relatively low photoelectric conversion efficiency of crystalline silicon solar cells , but the effect is very good low-light , in the ordinary light can also generate electricity , such as solar calculator .
4. backplane
Sealing, insulation , water ( usually with TPT, TPE , etc. ) the material must be resistant to aging , component manufacturers generally have warranty for 25 years , tempered glass, aluminum is generally no problem , the key lies in whether the backplane and can meet the requirements of silica gel.
PERFORMANCE
- High effi ciency, multicrystalline silicon solar cells with high transmission and textured glass deliver a module effi ciency of up to 16.0%,
minimizing installation costs and maximizing the kWh output of your system per unit area.
- Tight positive power tolerance of 0W to +5W ensures you receive modules at or above nameplate power and contributes to minimizing
module mismatch losses leading to improved system yield.
- Q: what do I need to do to disconnect a solar panel from a battery to protect the panel?
- Know that solar panels almost always incorporate a blocking diode to prevent a battery from back-feeding through an un-illuminated panel. Know that solar panels are usually connected to a battery via an electronic switching charge controller, not directly connected. Know that when a solar panel is open-circuited (disconnected from everything) it's terminal voltage will rise to almost twice it's nominal voltage. (22V is common for a 2V panel), unless it is stored in total darkness.
- Q: Are there any fire risks associated with solar panels?
- Yes, there are some fire risks associated with solar panels, although they are relatively rare. The main causes of fire incidents include faulty installation, poor maintenance, electrical malfunctions, and extreme weather conditions. However, the risk can be significantly minimized through proper installation, regular inspections, adherence to safety codes, and using high-quality components. Additionally, advancements in technology and industry regulations continue to enhance the safety of solar panel systems.
- Q: i have a 2v 2a solar panel that i want to use to charge a 2v battery .Have found out that i need a charge controller so i don't over charge the battery.I have found a cheep one its 2v but 7a will it still work ?All-so im planing on running a 2v water pump off the battery with a timer,its for watering my garden.Will the timer have to be 2v as well ?any help on this would be greatly appreciated thanks .
- The charger will accept whatever current is necessary from the solar panel up to 7A. It's not like the solar panel will force 2amps into the charger/battery -- the charger will control the current going to the battery. I question whether or not the 2V panel will actually charge the battery, though, because in order to charge a standard lead-acid 2V battery you need to have about 4.5 volts applied to the terminals. Perhaps the charger has a boost circuit -- I don't know without looking at it or knowing the brand/model number, etc. The timer must be 2VDC, but, if you only have a timer that is rated for 20VAC, you can buy a small inverter that will take 2V and supply the necessary 20VAC. An inverter rated for 20 to 50 Watts should be sufficient. These usually cost under US$25. .
- Q: Are solar panels worth the investment?
- Yes, solar panels are worth the investment. They offer long-term financial savings by reducing electricity bills and the potential for selling excess energy back to the grid. Additionally, they contribute to a cleaner and more sustainable future by reducing carbon emissions and dependency on fossil fuels.
- Q: how much energy does a kilowatt solar panel produce in a year? (average)
- You would be amazed how often I have answered this question. The answer is that it depends on your latitude and local weather . Let's see if I can give you enough information so that you can determine the answer for yourself. A kW solar panel is rated at kW when it is exposed to a solar flux of kW/m^2 (called a peak sun hour). There are readily available tables of effective peak sun hours per day by city (see Reference ). Let's use Fairbanks, AK as an example (it is the first line of the table). Fairbanks get an average of 3.99 of peak sun hours per day on average. So your panel would produce 3.99 kW*hr per day on average.
- Q: How do solar panels affect the property's sustainable development goals?
- Solar panels contribute to a property's sustainable development goals by promoting renewable energy generation. They reduce the property's reliance on fossil fuels, lower greenhouse gas emissions, and help combat climate change. Solar panels also provide a clean and abundant source of electricity, reducing the property's environmental impact and contributing to its long-term sustainability.
- Q: I riped two solar panels out of some solar light and tested them. I found out that they both produce 2 volts(I have no idea on the watts or amps). Iquot;ve hooked them up to an electric motor that can be driven by a AA battery, but when I hook the solar panels up to them nothing happens. What is wrong?
- The solar cells you have are not providing enough current to operate the motor. There are special low power motors which can operate directly from a solar cell but it sounds like you do not have one of these. Instead you have a common .5V DC hobby motor which requires substantially more current to operate. You can use the original circuit to charge the batteries and use the charged batteries to run the motor. The batteries would be able to supply enough current to operate the motor, but for a limited time. 8 hours of charging might give you less than 5 minutes of motor operation. An LED will draw about 20ma. In a solar light such a small current draw from an LED or two can provide hours of light. A Small DC motor might easily require 300ma to run and over 500ma to start. Running a motor from the same battery at over 5 times the current draw will result in less than /5 of the run time compared to the low current LED. So if an LED operates for 300 minutes the motor would run for less than 20.... The small solar cell size cannot provide enough current to operate the motor directly. Only by slowly charging a battery first would you be able to use the collected and stored Solar energy to operate your motor.
- Q: Can solar panels be installed on a residential community?
- Yes, solar panels can be installed on a residential community. Many residential communities have implemented solar panel systems to generate clean and renewable energy for homes. These installations can help reduce electricity costs, decrease reliance on fossil fuels, and contribute to a more sustainable living environment.
- Q: So I reckon it's time to install some of these bad boys. it's come to point where electricity providers are charging such extortionate amounts that I can definitely see these reaping huge rewards before long. (Okay I might be exaggerating a little - they are pretty costly themselves).The problem is I've read around that they're only fitted to south facing houses? Why so? Why can't they be installed on the rear side of the roof - the side facing the garden? My house is facing north, so the front door leads north. Could I have solar panels installed on the back? (That's basically my question, with a bit of a rant too lol).Cheers.
- You want the panels facing south because that is where they would get the most sunlight throughout the day. If your front door is facing north, then the back of your house would be facing south, right? So put them up in the back where they are facing south...haha wtf..
- Q: I purchased some small 3.6 v 70mA solar panels online. I have no experience with solar panels. I am confident of the layout of the parallel circuit I want to create, however I don't know how to properly connect the tabs that come from the sides of the panels. Any help on connecting them?
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Sunpower Marine Solar Panels - Solar Panel Solar Module PV Solar Grade 180W
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 watt
- Supply Capability:
- 10000000 watt/month
OKorder Service Pledge
OKorder Financial Service
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