The old battery is "changed" and sold to consumers. Are you fooled?

A few days ago, Ms. Yang saw a vendor selling Yanfu battery in Yanjiang Morning Market. Unlike other batteries, the vendor was using a machine to demonstrate the quality of its sale of Nanfu battery. The male trader held a battery of another brand. After measuring by his machine, the current of the battery was between 190 mA and 210 mA, and the current of the Nanfu battery he sold reached 2,100 mA. An - 2300 mAh.

The man on the scene said that this current is large and certainly durable. Another battery can last for a week, and Nanfu can use it for one month. Ms. Yang asked the price, 5 boards, 5 yuan a board, and a dollar. Why is it so cheap? Ms. Yang is also somewhat unbelievable. The man explained that this is a manufacturer's promotion. It only sells these days, and there is no such thing as selling these promotional products. At the scene, Ms. Yang saw that the packaging of the battery was very good, the production date, shelf life, energy ring and so on were complete, and the products were shipped in March 2013. The writing on the battery was clear and complete, and even the precautions were very comprehensive. The battery of the ten-dollar section bought in it is no different from the appearance.

After watching the men's demonstration, many people believed in their own eyes and saved money to buy a board and two batteries.

I don’t know why

A few days later, Ms. Yang’s camera had no electricity. She just tried to try the newly purchased Nanfu battery. So after she pressed the newly purchased Nanfu battery, the machine still could not be turned on. Subsequently, Ms. Yang bought two other batteries and installed the camera, the camera is running normally.

Ms. Yang put the Nanfu battery on the radio and the radio didn't work. At this time, Ms. Yang knew she was fooled.

But what Ms. Yang can't figure out is that the "electricity" in the machine is so big. How can it be that the battery is dead when it comes to its own household appliances?

Experts give scientific arguments

On the 12th, the reporter came to the Municipal Quality Supervision Bureau and inquired about the general inspector Xu Hongwei. After listening to the reporter's introduction, Xu Hongwei immediately said that the battery that Ms. Yang bought must be fake or shoddy products or refurbished batteries. He said that the equipment used by the vendor to detect the battery is not up to standard. The method is unscientific, and the voltage and current of the battery are fixed. It is not like the public thinks. The larger the current, the battery. The more durable. Moreover, Nanfu Battery is sold at a national uniform price and will not be sold at a low price.

According to reports, the detection method of primary battery is different from the constant current discharge method of nickel-hydrogen and lithium-ion batteries. The constant resistance discharge test method is adopted. Simply speaking, the battery and a resistor with a specified resistance are discharged in series, and then measured. The discharge time is measured by the discharge time when the discharge voltage drops to a certain voltage value.

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