It was quite reliable to let Wei Qi do things. The next day, a team of tycoons specially delivered the things Su Yu needed to Zuo Jiayan.

Su Yu still goes out early and comes back late every day, stays in the office in the morning to read information, and most of them stay at school in the afternoon to help Zuo Wenfang correct homework. However, Zuo Xiaoqing has worked on behalf of others these days. Although Su Yu has less homework correction, he has to spend more energy to teach Zuo Xiaoqing to learn computers. Fortunately, Zuo Xiaoqing is lively by nature and has some talent in this regard, otherwise it would be enough for Su Yu to have a headache.

Zuo Wenfang personally led a team to Shangyu Middle School to take the high school entrance examination on the weekend. Zuo Xiaoqing followed Su Yu back to Zuojiayan. After working for several nights, Su Yu finally completed the production of the light energy collector and battery.

Early on Saturday morning, Su Yu was busy starting. He first installed and debugged the light energy collector on the balcony on the second floor, connected the battery, and then switched the power supply of the home to the battery. The simple household power generation equipment was completely completed.

The light energy converter and the light energy collector are integrated, and the volume is not large. The light energy collector looks like a miniature satellite receiver with a diameter of only 30 cm. When the sun is abundant, the light energy collected in just a few seconds can fully charge the battery made by Su Yu. From the acquisition to the charging, all of them are automatically completed by microcomputers.

When Su Yu did these things, he did not hide it. Not only did his parents know, but Zuo Xiaoqing also saw it from beginning to end, and helped him to do it from time to time, but his questions never stopped: "Can you generate electricity by relying on this? Is this a solar generator? Such a small panel, the power is enough for us to use at home? Why haven't you heard of this thing?..."

When the power supply was turned on, a new question came again: "Brother, what if there is no sun on the cloudy day?"

Su Yu had to patiently explain: "The power supply is connected to the battery. When the power is sufficient, this battery can be used for our home for more than half a month. Will the night here be that long? As for cloudy days, it is not a problem. As long as there is light, it will not affect the charging. This is a light energy collector, not a solar energy collector."

In fact, although this battery is made very simple, its power supply capacity is not bad. Not to mention their family, it will be fine if it continues to be supplied to the whole village for half a month, and it is extremely stable.

The technology that was truly mature in later generations would naturally not be so simple. More than 150 years later, this technology was quite perfect. However, the collector is not a light energy collector, but a simple solar energy collector. However, the real milestone of this technology is the improvement of batteries, which makes solar power generation no longer restricted by the rules of alternating day and night.

In the era when Su Yu lived, this kind of power generation equipment had been eliminated by purer, cheaper and more stable bioenergy, but it can still be seen in some backward areas or in private outdoor equipment. However, it is thinner and more delicate. From lighting to energy output, it is integrated into a panel the size of a palm. To put it bluntly, it is a fully automatic charging battery.

If you can use an intelligent assist device, Su Yu can now make a battery that will never be powered off as long as there is a light source. However, to drive your own intelligent assist device, the premise is that there is a quantum biochip in your brain. This thing is found in the constant temperature box of Su Yu stolen from the Federal Laboratory. It is also the most advanced chip of the Interstellar Federation, but you have to open the constant temperature box first.

Zuo Xiaoqing felt the charging process of the light energy collector up close. The panel of the collector is arc-shaped, with a diameter of about 30 cm. It is red all over, and looks extremely bright. I don’t know what material it is made of, just like countless small particles splicing, with both sides uneven on both sides.

The moment it was connected to the battery, the red indicator light on the battery panel began to flash, and the charging began. The red circular arc panel of the light energy collector suddenly became dark, and the color suddenly darkened. In just a few seconds, it turned from red to dark purple. The light in the room seemed to be hitting the light energy collector like fine iron sand from a powerful magnet.

The originally blazing sunlight in the window also dimmed at the moment when the color of the collector panel changed. It seemed that all of it was extracted by the collector. Even the void outside the window had a moment of light and dark conversion, but the process was very short and it was not even enough for a blink of an eye. If Zuo Xiaoqing had been focusing on it, he would probably not have noticed it.

The indicator light on the battery will quickly switch to green, and the panel of the light energy collector will immediately return to bright red, and the light will return to its original state whether it is a window or indoor.

Su Yu explained: "The light energy collector will change color when collecting solar energy. Because the battery capacity is limited, the charging time is extremely short, and the color of the panel only turns slightly deeper. If you collect it with all your strength, the color of the panel will turn to pure black and the surrounding light will be extracted cleanly."

Zuo Xiaoqing said incrediblely: "Just charge it for such a short time, no, it can be used continuously for our households for half a month in a few seconds? In this case, who will use the public electricity in the future?"

Su Yu smiled and said, "Don't worry about these things, that's what the power plant should consider."

During dinner in the evening, Zuo Xiaoqing talked about this at the dinner table and said, "Dad, why not sell electricity at our home and let the people at the power station drink the northwest wind!"

Zuo Gui felt aroused when he heard this and asked Su Yu: "How much household expense can the solar generator you made provide?"

Su Yu said: "It is natural that there is no problem to supply our tea tree ditch, but if the distance is too far, it will be barely enough, because we don't have substation equipment and the voltage is not enough to transmit power from a long distance. Besides, our family is not short of that little money, right?"

Due to lack of labor, the land distributed by the family was rented to others to plant. In addition to paying agricultural tax, only 100 yuan per mu of land was given. The family's various expenses were basically supported by Su Yu in recent years.

In addition to the tuition and miscellaneous fees for Zuo Wenfang and Zuo Xiaoqing and the treatment costs for Zuo Gui's hospitalization, Su Yu also remitted 500 yuan to Zuo Wenfang and Zuo Xiaoqing each month and sent 1,000 yuan to his family. After Zuo Wenfang graduated from university, her share was transferred to her family, which was 1,500 yuan a month.

This time, Su Yu returned to the cofferdam and gave Jian Xiaobu 20,000 yuan directly, and there was no need to remit money separately in the future. So when Zuo Xiaoqing said that he was selling electricity, Su Yu was a little surprised and asked Zuo Xiaoqing: "Isn't spending enough money at school? Didn't you listen to you?"

Zuo Xiaoqing coughed loudly twice after hearing this, and said, "Where are you following? I just feel it's a bit wasteful..."

Jian Xiaobu glared at her daughter: "Have you asked for money again with your brother?"

Su Yu hurriedly said, "No, mom, don't guess it randomly. Well, I'm doing this just to keep the power outage at home. I don't want to make money with this thing. Besides, there are less than 4,000 people in our township, and there are no large-scale electricity facilities. Even if you can sell electricity, you can't sell it for a few dollars, and it's also arousing red-eye."

Zuo Gui said, "Is it expensive to make this thing?"

Su Yu thought about it and knew what Zuo Gui was thinking: "Of course it's big, otherwise, wouldn't it be like this on the street? Maybe someone would have sold this long ago."

Sure enough, I heard that the cost is very high, so Zuo Gui stopped asking this. Youdao is like a mountain, let alone Zuo Gui who lives in an extremely closed environment? I really thought that the thing made by Su Yu was not a rare thing.

Zuo Xiaoqing naturally didn't believe it. If that were the case, wouldn't the hydropower stations in the village have been eliminated long ago? But I was afraid that my mother would ask her about spending money randomly, so it would be difficult to expose Su Yu in person.

But what made Su Yu speechless was that after the hydropower station was powered off again that night, another family in Zuojiayan connected to Su Yu's house the next day. Two days later, more than 100 families in Chashugou all connected to their house's electricity.

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Chapter completed!