The traffic light is rigidly damping, a country lamp costs 500 rubles everywhere, and they sell for 226. Dismantled, found out why it is so cheap

  • Dec 16, 2020
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Got it in the store again "Traffic lights". Going to the checkout to pay for the goods, I noticed that a solar-powered garden lamp was displayed on the counter, without wires for just 226 rubles 90 kopecks.

Not long thinking decided to buy it, the cashier offered to check the goods immediately. But I was in a hurry to go to my favorite dacha, so I decided to trust my light hand and not test right away. By the way, I was warned that the warranty period is only two weeks. It's strange why so few ...

How does it work?

I immediately checked its functionality in the bathroom (it does not turn on in daylight) by pressing a single button several times. And I found out that he has three modes:

  • Switched off
  • Reacts to movement and shines at full power for half a minute.
  • It lights up weakly, but constantly, and when approaching the lamp, it turns on completely for 30 seconds.

Content

I decided to look at the insides of a cheap, and most importantly a working device. What do they put in the celestial kingdom for these money.

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Was surprised that battery in him widespreadformat 18650. But since there are no identification marks on it, this is a Chinese know-how. If there were a battery here from Samsung, for example, the device would cost twice as much.

There is a voltage regulator, controller. On the board together with a motion sensor and a power button.

Solar panel power measurement

In bright sunlight, it delivers 4.25 volts under load, enough to charge the battery through the controller. Of course the speed will be minimal, but still. In cloudy weather, with clouds in the sky, 4.16 volts are regenerated. Which will also allow you to charge the battery. Turn the photo to the right.

A great option for giving, for example, if you feel like going to the toilet at night. Hop and an inexpensive lamp illuminates the path for you. Which, even if dragged away, by lovers of someone else's good. No pity. And if you replace the battery in it with a more capacious one, then it will shine all night, for sure...

But still, it is not very clear, there is so much in this case, but they cost like a box of chocolates. Is it possible that Mr. Svetofor has such a huge wholesale that they allow themselves to sell it cheaper than on aliexpress, here link on the same device. There it cost more than 500 rubles.

LIKE for the review. Thank you.