Solar Module 300w poly

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We are in the position to supply you solar panels20w~310w).

*Featured products in our warehouses and factory:  

  Poly    245w,250w   (60 cells)          Mono  260w -Black  (60 cells)

*800MW annual production capacity with full-automatic  production line

*All our solar panels are insured by CHUBB

*Bankable in Italy(Unicredit) and Australia(HSBC)


*Certificates: TUV, PV CYCLE, MCS, CE, JPEC, UL, ISO, ICIM and CEC

*Warehouses in  Holland and Australia



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Q:How to maintain a battery with a solar panel?
What I would suggest is that you find a panel that is rated for 00 mA, at any voltage higher than 8 volts. A 2 or even 8-volt panel will do, because the voltage will drop to match the battery. Then I would get a diode to put in series with the panel to prevent the battery from discharging through the panel at night. That's called a blocking diode. At such low currents, a charge controller is not worth it. There is not enough power to overheat the battery, which is principally what a charge controller protects against in a larger system. Be aware that you could also simply plug a trickle charger for the battery into the wall outlet, at a cost of less than a penny a day in electricity.
Q:what do solar panels do?
Solar panels (arrays of photvoltaic cells) make use of renewable energy from the sun, and are a clean and environmentally sound means of collecting solar energy. Here at solar panel information, we've amassed a wealth of information relating to solar panels and the field of photovoltaic technology. You can learn how solar panels work, how they are manufactured, where to buy them, and how to set them up. If you are looking for information on solar panels and don't know where to start, check out our solar panels section to learn more about how these photovoltaic cells are derived from silicon and what solar energy means to you.
Q:How do home solar panels integrate into a houses current electricity?
The utility is your battery. Doesn't make any difference which is used first. At least that's the case in Calif. However, you need an electrician to do the attachment, and probably an inspection by the utility.
Q:Solar panel charging question?
depends on the sunlight. And on the size of the battery. But it may never charge, as you need at least 5 volts to charge a 2 volt battery. So unless the sunlight is bright enough to generate 5 volts, all you will do is discharge the battery through the solar panel. But a large battery is 00 amp hours of capacity. Even if you had a 5 volt 5 watt panel, that generates only amp at most, so it would take over 00 hours to charge that size battery. .
Q:Will a 3w Solar Panel Charge A 55ah Car Battery?
Quite a while. I am assuming you are using 2 volts as your buss power. The small panels were intended as a float charge for batteries to keep them from discharging over a period of time. 3 Watts means only /4 Amp. Normally when I do slow charging of batteries, I am using right around amp, and that takes about a week to bring up a battery that was discharged past 80 percent capacity. When you factor in losses from corrosion, battery self discharge, and loose connections, you will likely want to add more panels. using your 55Amp/hour battery, a amp charger running constant in a perfect world would take 55 hours. Real world, probably closer to 64 to 72 hours. That for simplicity is 5 Watts constant charge power. Now you are using /5 of that with your current setup. so 5 times longer, whichh puts you in the 300 hour range of real world, or 220 hours of perfect world. This time of year, you may have about 8 hours worth of charging light, which puts you at close to a month. Don't fret. If you are using it for lighting in a shed, Power LEDs and tethering some of the inexpensive LED lights to the 2 volt source will give you plenty of light for a very long time, the panels will help some, but you will likely need to put the batteries on a charger, or you can build a gas powered 2 volt generator easily enough. Charge it up only when needed.
Q:Which stores can you buy solar panels at?
Canadian tire
Q:Blocking diode for solar panel?
At least a 2 amp diode. rated above the 2 volts that are commonly found on the market. A blocking diode must be able to stop a higher current and voltage than the panel maximum. A diode will work on any voltage and current lower than it rating.
Q:How would you connect a solar panel to a fan?
Wire is always good. You may need some electronics to convert the voltage put out by the solar panel to what is required by the fan. Some batteries might be nice so that the fan will run when the sun is not shining.
Q:how do solar panels work?
Solar panels is built of the solar cells in it..these cells are typically made of paper thick Silicon or Germanium metal (called semiconductors).When light falls on these solar cells the energy recieved from the light (photons)is used to emit electrons due to the nature of semiconductor material. These electrons being of negative charge are attracted by opposite positive charges or there is current flow from cathode to anode on these cells.This small electric charge generated is used to store in the battery connected...more the number of solar cells more the electricity generated .
Q:information on solar panels?
most times yes.

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