7 Points Must Know About Solar Lights|LOHAS LED
LED Solar lights truly achieve green lighting since they are eco-friendly and come from unlimited energy sources. These days, more and more people tend to use solar lights in the yard, which can be seen in almost every household. However, there are always various issues when choosing or using LED solar light. For this reason, in this article we have shared 7 points you must know about LED solar lights.
Point 1: The working principle of solar lights
The working principle of solar lights is quite simple. The solar panel is made by using the principle of the photovoltaic effect. During the day, the solar panel receives sunlight (solar energy) and converts it into electricity, which is stored in a battery via a charge-discharge controller. At night, when the illumination gradually drops to about 10lux and the open circuit voltage of the solar panel is about 4.5V, the charge and discharge controller detects the voltage value and drives the battery to discharge and turn on the light until it’s dawn again.
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Point 2: Different LED chips have different LED power
When choosing solar lights, many people often care about how many LEDs the lamp has, thinking that more LEDs means greater power and brighter light. In fact, different types of LED chips have different power, and the power of an LED chip can range from 0.2 watts to 5 watts or more. For example, the power of a 2835 SMD LED chip is usually 0.2 watts, 3030 SMD LED chip is 0.3-1 watts, and 5050 SMD LED chip can even reach up to 5 watts. So when buying solar lights, it’s more important to know what kind of chip it uses than how many LEDs it has.
Point 3: The higher the lumens, the greater the brightness
The brightness of LED solar lights is no longer determined by the wattage, but the luminous efficiency (lumens per watt). Because LED lights use less power than other types of lights at the same brightness. The luminous efficiency of traditional incandescent lights is only 12-24 lumens per watt, compact fluorescent lights can reach 50-60 lumens per watt, and LED lights can typically produce 100-200 lumens per watt, mainly depending on the type of LED chip.
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Point 4: Bigger solar panels do not mean better performance
Indeed, the performance of solar lights depends upon the quality of solar panels, rechargeable batteries and LEDs. But that doesn’t mean the size of solar panels is equal to the power of solar panels. There are many solar lights on the market that have large panels, giving people the illusion of high power. Some factories will use short-lived grade B or grade C solar cells, or even broken solar cells, to save costs and make more profit. The fact is that as long as the quality of solar panels is good enough, even small panels can produce bright and long-lasting light. Take the outdoor solar fence light from LOHAS LED(https://www.lohas-led.com/) as an example, the mini figure has powerful performance. Using advanced LED chips and high-quality solar panels, only 8 LEDs can emit bright and stable daylight white light.
Point 5: The battery capacity is voltage multiplied by AH
Another important thing to know is the battery capacity of solar lights. Many people mistake battery capacity for AH. However, the battery capacity is voltage multiplied by AH. That means we also need to know the voltage of the battery. Most low-power LED solar lights on the market are 3.2 voltage system batteries, while low-voltage battery systems can not support high-power LED solar lights. Generally speaking, a 3.2 voltage battery system supports solar lights with no more than 20 watts.
Point 6: High-quality charge controller helps increase solar battery life
Why does a high-quality charge controller will increase the battery life of your solar system? Because the charge controller helps protect the battery from various issues, including overcharging, current leaking back to the solar panel, preventing undervoltage, etc. It is noticeable that the charge controller accounts for only a small part of the total cost of a solar system, so purchasing a high quality charge controller is highly recommended.
Point 7: LED solar lights are more cost-effective
While solar lights appeals to most people, there are others who are deterred by the high price. The price may seem a little steep at first glance, but in the long turn they are exactly much cheaper. Long-life LED chips and low maintenance solar lighting system greatly reduce replacement and maintenance costs, What’s more, the inexhaustible solar energy saves 100% on electricity bills.
The solar light is a technological breakthrough, and the use of solar lighting has become an irreversible trend. We hope this article can help you learn some important knowledge about solar lights, so that you can avoid detours when buying or using them.
