poly panel SWE-P672(BK) Series305W

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Product Description:

SWE-P672-290/295/300/305/310
POLY CRYSTALLINE SOLAR MODULE(BK)

futures:

• High module efficiency up to 16.00%
• Positive power tolerance 0/+5W
• Robust frame to up to 5400Pa load
• Anti-PID technology
• Hot-Spot protect
• Anti-Reflective glass

Data sheet

Electrical Characteristics @ STCSWE-P672-290(BK)SWE-P672-295(BK)SWE-P672-300(BK)SWE-P672-305(BK)SWE-P672-310(BK)
(STC:standard Test Conditions)     
Max. Power (PMAX) [ Wp ] 290295300305310
Power Output Tolerance (PMAX) [ Wp ] 0/+5 0/+5 0/+5 0/+5 0/+5
Max. Power Voltage (VMPP) [ V ] 36.236.436.536.736.9
Max. Power Current (IMPP) [ A ]8.018.118.218.318.41
Open-Circuit Voltage (VOC) [ V ] 44.744.945.145.345.5
Short-Circuit Current (ISC) [ A ]8.548.618.678.748.81
Module Efficiency (ŋm) [ % ]14.915.1215.515.716.0

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Q:Hey. I need some help with solar panels and batteries :) Please see the detailed version beneeth :)?
One lithium cell requires 4.2V to obtain its full charge, Never exceed 4.2V ! Output from solar panel if below 3.7V , nothing charge to lithium. Total charging time until the cell is full depending on the AH rate of cell and the charging current that solar panel can be provided. Suppose cell is rate 5AH, and the charging current from solar panel under full sun shine can maintain 0.5A ( use solar panel short circuit current rate from its specification as a reference ) , hence, 0 hours is enough. And be sure the solar panel can maintain 4.2V output at 0.5A . Remember, over charge lithium cell one time might reduce its life into half . Therefore, let the solar panel output passing through a precision regulator to maintain output is 4.2V is the best way, because, as cell reaches 4.2V , no more charging current is forced into cell ( automatic stop charging ). If you do not have the knowledge to make this simple variable voltage regulator with LM37K ( if you choose this way, buy solar panel output has at least 2V) , you may choose to do it manually by install a current meter and a variable resistor in series between the panel output to cell. By adjust the value of resistor, charging current can be controlled ( if you choose this way, buy solar panel output has as less as 6V ). Count the charging time with a clock and adjust the charging current from time to time to maintain 0.5A .
Q:installing solar panels on roof?
Go okorder.com This is the web site for the magazine Homepower. You should probably get a copy of the magazine and have a look (there is a Free Sample Issue botton on the site). It contains articles about real people and their solar collectors. It usually details what kind of system they have and provides an illustration of the different parts. These articles and illustrations are very helpful to people who are new to the topic. They also have articles on things are far ranging as the national electrical codes for solar electric panels, building your own electric car and solar ovens for cooking. Check the site out and then request a free magazine.
Q:How much Silver do we need for Solar Panels?
Some research has shown that small amounts of silver can improve the efficiency of solar panels. But this appears to be in the research stage and applies to the the thin film solar cells. Some solar panels makes use silver as the wiring in kind of a screen printing process, but you don't need to use silver, you can use copper or aluminum using different techniques instead. Generally the metal used is in small amounts and not a majority of the cost of the solar panel.
Q:How do you use solar panels?
Custom solar-heating systems are unique. Does yours have a circulating pump? Does it have a storage tank? Is the fluid that goes to the panels separated from the household water and transfers heat through a heat-exchanger radiator, and the fluid has antifreeze in it? If it does, is the antifreeze of the variety that won't poison your family if there is a leak? Does your system have a thermostat-controlled pump that turns on when the water in the panels are hot? Does it have a limit-thermostat to turn off the pump when water in the storage tank is hot? There are many more variations to operation of solar-heating panels. Find out who designed it or who knows how to operate it and ask them.
Q:Solar Panel costs and sizes?
Good question I am uncomfortable doing my child's homework so I will not complete the assignment for you. I am also always willing to help. Having the kWh is a great start. You must also ask the question when you size a system is there any way to reduce this load. Each kWh that you do not have to produce saves significant cost to the system. Next what type of system grid tied or off grid the two systems will have very different size needs and overall cost. I googled PV system sizing and got the below link. at first glance I like it. You can do the same for system cost. I also included a trade link for your review factors in sizing system type amount of bill offsetting geographic location site location track mounted or fixed and more Should you need additional help you can email me I will not do your work for you but I can either verify it or point you in the right direction
Q:SOLAR PANELS (sun enerjy)?
First, solar panels come in two basic types - photovoltaics, which produce electricity (the black cells you normally think of), and solar thermal, which heats water (or some other fluid). It's one or the other, you could install both if you want that. Solar thermal is cost effective today, depending on how you currently heat your water. (The hot water could also be used to create electricity, like in a steam turbine, generally done in larger power plants). Photovoltaics are more expensive, but coming down in price every day. To know how many panels you need, you first have to determine how many kWH your house uses, and do you want to be completely off the grid (which would also require large batteries), or just reduce your electric bill.
Q:what do i have to study to install solar panels?
I say sure, I had a gadget put in some months in the past. I paid $6K and my application paid $0K. I ought to ruin even in approximately 6 years. The gadget is assured for 25 years, so i could have a minimum of 9 years of loose potential. I went from a invoice of around $two hundred per thirty days to below $20 interior the summertime. i will pay somewhat extra interior the iciness months because of the fact much less daytime, yet i don't use as plenty potential interior the iciness. each and each 3 hundred and sixty 5 days electrical energy is going up an elementary of five%, so on an identical time as my associates have an more suitable invoice each and each month, i'm going to be staying below $50 for a protracted time. Even with out the rebate i might have a ruin even time of roughly 0 years, nonetheless 5 years of loose potential.
Q:What type of wires should i use for a solar panel?
You might want to be careful about soldering. Some panels can be easily damaged by excess heat. Check the manufactures website for recommended attachment methods. Solder tape or conductive epoxy might be better. If you do not have such things already, a good idea might be to take it into a TV repair shop or electronic hobbyist store. Some folks are kind enough to do it for you for free.
Q:solar panels for your home?
I okorder.com
Q:How many LED's can I hook up to my mini-solar panel?
Typically LED's run off low voltage and 20mA or so of power (it depends what kind of led you have). That being said if one of your solar panels only provides 22mA of power then your circuit would have to be a series circuit for you to connect more than one. In a series circuit the current supplied of 22mA will go through each LED whereas a parallel circuit the current would be divided for each subsequential led. So in your case i can see you getting away with 3 or so led's before the voltage drop across each led will cause the voltage to be insufficient enough to drive anymore. Keep in mind the LED's will turn on but the first one will be bright then next one not as bright and so on. If you opted out and bought a solar panel with 200mA and 4V you could wire the led's in parallel and get 0 led's to turn on with the same brightness or intensity. Hoped that helped!

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