Rohit Raj HasijaWe have taken Solar Panels from Junhui in china, and the commitment way to solve problem with such detailed info of Junhui team is really appreciable.
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Durable 250 Watt Solar Panel , Solar Photovoltaic Module Long Life Span
|Place of Origin||China|
|Minimum Order Quantity||50 Pieces|
|Packaging Details||In well protected carton or wooden box with pallets. 26pcs per pallet, 380pcs fill into 20GP, 820pcs fill into 40HQ|
|Delivery Time||Shipped in 7 days after payment|
|Payment Terms||T/T、L/C、West Union|
|Supply Ability||5000000 Watt/Watts per Month|
|Cell Grade||A-Grade||Package||Wooden Pallet&Carton|
|Operating Temperature||-40° C~+85° C||Frame||AI|
pv solar panels,
solar panel module
Renewable energy is energy that comes from natural sources that are almost always available, such as sunlight, wind, rain, tides, and even heat. Since creating environmentally-friendly energy solutions is crucial, the renewable energy industry has become a key business that will only increase in importance in future years and decades.Solar energy is often regarded as the most efficient renewable energy source for generating electricity.
|Nominal peak power(Pmax)||250w||280w||300w|
|Maximum power voltage(Vmp)||36.7V||37.0V||37.4V|
|Maximum power current(Imp)||5.19A||5.27A||5.35A|
|Open circuit voltage(Voc)||44.8V||45.2V||45.5V|
|Optimized cell efficiency(η)||17.60%||18.20%||18.60%|
|Power tolerance: ±3%|
|Operating temperature||-40°C to +85°C|
|Maximum system voltage||1000VDC|
|Temperature and Coefficients|
|Current temperature coefficient||%/°C||0.037|
|Voltage temperature coefficient||%/°C||-0.34|
|Power temperature coefficient||%/°C||-0.48|
|NOCT:Nominal Operation Cell Temperature|
|Number of cells and type of connection||72,serial connection|
|Gross weight||450kgs/ctn(28pcs/ctn) 33kgs/ctn(2pcs/ctn)|
|Package dimension||1635x1140x956mm 1598x838x88mm|
|Container loading||868PCS/40’GP 62PCS/PALLET
|STC: Irradiance of 1000W /m2, Air Mass of 1.5, Cell Temperature of 25°C|
|Guaranteed Power Output
Warranted Tolerance: ±5%
|15 year:90% of its nominal power rating|
|25 year:80% of its nominal power rating|
|Impact Resistance||Can bear the force that is generated by one 227g|
|steel ball fall down from 1m height|
|Warranty period||10 years:Materials and workmanship defects|
|Cells||Monocrystalline silicon photovoltaic cell|
Here we are pleased to clarify the difference between the grid-tied power system and off-grid system
On-grid system is comprise of solar panel,solar on-grid inverter,timer which will be directly connected to the grid and feedback the power supply to the main grid..
off-grid power system is including solar panel,solar off-grid inverter,charge controller,battery bank. this system is independent of the main grid,but power supply to all loading via sunlight radiation.
We are very pleased to be configuration of the complete whole system for you if it's necessary.
Solar PV panel frequently asked questions (FAQ) :
1,I have a xxxx sq. ft. house. How many solar panels do I need?
It is hard to say how many panels you will need. There is no set amount per square foot. It all depends on how much power you use. Someone in a small house may use more power than another person in a large house or vice versa. Your power bill will tell you have many kilowatt-hours you use per month. To better understand how solar power works please have a look at our solar power white paper.
2,What can I run off of solar panels?
With the right equipment you can run anything off of solar panels. Solar panels produce electricity and most things in your house run off of electricity. Solar panels produce Direct Current (DC) usually in 12, 24, or 48v. The problem is most of your appliances run on 110v Alternating Current (AC). An inverter will convert DC to AC so you can run your devices.
3,How much power will I get out of xxx watt panel?
A solar panel that is facing south angled at your latitude will be about 60% effective over the course of the day. This means that a 100w solar panel in the sun for 8 hours will not produce 800 watt-hours, it will produce 480 watt-hours. A 60w light bulb in 1 hour will use 60 watt-hours of power. This means that if you stored up all the power from a 100w solar panel over the day you could run a 60w light for 8 hours.