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solar kit components (solar charge controller)

CIndy / 2011-06-23
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 Many people know that solar chargers are a good alternative to non-renewable sources of energy, but not everyone is familiar with how simple they are to build. If you’d like to find out more about solar battery chargers, please read on.

Generally speaking, a battery charger is a power supply that transfers electricity of a certain voltage to a battery. Just slot the battery in, wait until it’s completely charged, and then take it out. A 12 volt battery can be recharged in a 15-18 volt power supply. The drawback to this system’s simplicity, though, is its risk of overcharging.

If you overcharge a battery, it’s likely that the battery’s functionality will be decreased, often significantly. Overcharging a 12 volt battery too much can damage it to the point that it will lose its ability to maintain a charge. Luckily, you can use a charge controller to ensure that the correct voltage is used to charge the battery and that the battery is not overcharged. A charge controller is just as important when you’re using a 12 volt solar charger, as it allows you to charge a battery throughout the day without the risk of overcharging.

For 12 volt batteries, the Pulse Width Modulation (PWM) type of charge controller is the one you’ll usually see. In basic terms, this type of charge controller functions by turning a switch on and off rapidly. In this sense, the switch is mostly “on” when it first starts charging. The switch gradually spends less time in the “on” position as power is transferred to the battery, and once it’s fully charged, the switch remains off. The charging process is overseen by a microprocessor chip. Since it only transfers power to the battery when energy is needed, a PWM charge controller can be left connected to a battery indefinitely. Topping up a battery in this way is called “trickle charging,” and it will allow you to ensure that a battery is fully charged for whenever you happen to need it. This ability is obviously very handy for a 12 volt solar charger. This, in turn, will allow you to keep the 12 volt battery for your boat or RV charged for whenever you need it.

With these basic parts, you can make a 12 volt solar charger. The power source is the only thing that differentiates a 12 volt solar charger from an ordinary 12 volt battery charger. As one would expect, a solar panel provides the power for a solar battery charger. If you want to save money, building a DIY solar panel to use in a 12 volt solar charger is a great way to go. You can get more info by visiting DIY Solar Panel.

1/2 volt and 3-4 amp solar cells are generally used in the solar panels that you might see on buildings. As a 12 volt battery charger requires about 15-18 volts of electricity to use, you’ll need to connect several of these cells to generate enough power. It’s possible to get small solar panels in many different voltages. The charger will work properly when you match the voltage of the solar panel to your charge controller. The correct voltage is shown on the voltage rating, which is shown on every charge controller. If you’re not using a charge controller, it’s best to use a solar panel of 15-18 volts. If you are using a charge controller, the required voltage is precisely that – required.

Depending on the controller, the method for wiring it to the solar panel can be different. In most cases, it’s possible to solder the same type of connector onto the solar panel that you have on your charge controller. If you can’t use a charge controller, you can use the same type of connector that’s on the battery. Spring loaded clamps are a safe bet if you’re using a larger type of 12 volt battery. For people who would prefer not to solder, you don’t necessarily have to solder (although this type of soldering is really easy even if you’ve never done it before); it is possible to just twist the wires together and apply electrical tape. You’ll just need a simple soldering iron and solder, which you can find at places like Radio Shack. First, twist the wires together. Then, use the soldering iron on the wires. Then, touch the solder to the wires, and wait for it to melt. You just have to take care not to burn yourself, and to heat the wires, not the solder, with the soldering iron – the solder is then melted by the heated wires. Homemade Energy is another great guide to building your own 12 volt solar charger. To read more, take a look at Homemade Energy Review.

It’s really as easy as that! Then, you can put together a 12 volt solar charger. A 12 volt battery is the first ingredient. Then, you’ll want a charge controller with the same voltage as the battery. Next, you’ll need a solar panel that also outputs the correct voltage for the charge controller – you can build one, or buy one. The last step is to make all the connections – connect the solar panel to the charge controller, and the charge controller to the battery. After you’ve done this, you’ll have permanent, free power! This will lower your energy bill, reduce your emissions, and let you do your part in ending dependence on foreign oil.

So you can see the solar charge controller for battery is necessary and very important. These solar controllers are very cheap to buy from our website. And we have been in the line of solar charge controllers for many years. We got CE and RoHS certificates which shows our good quality. You can click here to view our PWM solar controllers.

User Comment

Anonymous user: give point ( 2013-03-07 00:25:31 )
If you're in uncomfortable position and have no cash to move out from that point, you would have to receive the <a href="http://goodfinance-blog.com/topics/personal-loans">personal loans</a>. Because it would help you for sure. I get collateral loan every single year and feel good because of that.
Anonymous user: give point ( 2011-09-04 19:16:05 )
why need charge control circuit in solar inverter .
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