These products will be taken off the shelves immediately, and sales are strictly prohibited, involving platforms such as Tmall Pinduoduo

Mobile power supply, also known as "power bank". The latest quality supervision and spot check results of online mobile power products released by the State Administration for Market Regulation show that more than one third of the products in the spot check are unqualified

Mobile power supply, also known as "power bank". The latest quality supervision and spot check results of online mobile power products released by the State Administration for Market Regulation show that more than one third of the products in the spot check are unqualified.

More than 35% of the quality of online mobile power supplies are unqualified through national supervision and random inspection

The sampling results showed that out of 99 batches of products produced by 95 enterprises in 9 provinces (cities), 35 batches were found to be unqualified, with a sampling failure rate of 35.4%.

The reporter noticed that some of these substandard mobile power supplies have prominent capacity issues and cannot achieve the claimed charging effect; Some have safety risks such as heating and deflagration, which threaten the personal and property safety of consumers. According to relevant industry data, China is not only the world's largest producer of mobile power, but also the largest consumer market. Since 2020, the shipment volume has remained at around 100 million units. With the continuous popularization of mobile power sources, safety accidents caused by mobile power sources have occurred from time to time throughout the country.

At the end of May this year, on Beijing Subway Line 7, the mobile power supply in a passenger's satchel suddenly exploded, and a large amount of smoke filled the whole carriage instantly. Fortunately, the accident did not cause casualties because the staff handled it promptly.

In May of this year, a mobile power supply left behind in a car in a parking lot in Zhangjiagang, Jiangsu Province also exploded. The center console inside the car is severely damaged, and there are signs of explosion on the front windshield.

In early January of this year, a self built residential house in Guiping, Guangxi burst into flames in the early morning, and a family of four unfortunately died inside. According to a warning article released by the fire department, "After preliminary investigation, the cause of the fire was a short circuit in the mobile power supply, which caused the fire. Upon on-site inspection, it was found that the mobile power supply was suspected to be a counterfeit product

Industry experts say that poor quality or improper use of mobile power supplies can lead to safety accidents, posing a threat to consumers' personal and property safety.

Failure to pass the overcharging detection of 5 batches of mobile power supplies can cause fire and explosion

It usually takes several hours or even longer to fully charge a mobile power supply. If you forget to unplug the power supply, you may also experience charging all day and all night, which is called overcharging. In this national supervision and random inspection, it was found that 5 batches of mobile power supplies failed the overcharging test.

According to testing engineers, mobile power sources may forget to unplug the power source for long-term charging during daily use, which requires that the internal battery quality of the mobile power source must be reliable enough. Even if the circuit is damaged during overcharging, there should be no risk of fire, explosion, etc.

Some internal cells of mobile power sources suddenly explode during the test, emitting a large amount of thick smoke. After the test, all of these unqualified mobile power supply cells were burned out.

After testing, 5 batches of mobile power overcharging projects were found to be unqualified this time. They are:

Shenzhen Jinyu Oriental Industry Co., Ltd. produces the vigorous and cute mobile power supply of Tmall Looft flagship store

Dongguan Yubo Communication Equipment Co., Ltd. produces Yubo mobile power in the flagship store of Vipshop Yubo Digital Special

Shenzhen Yanbu Technology Co., Ltd. Produces Super Flash Charging (Mobile Power) for Tmall Era Flagship Store

Shenzhen Yimo Technology Co., Ltd. produces LeTV super mobile power in Pinduoduo Leshi Yandian Store

Yuantu Culture (Shenzhen) Co., Ltd. produces Star Sky Warm Hand Treasure for Tmall Tianxiang Creation Flagship Store

According to the testing engineer, poor battery cell quality is often one of the main reasons for unqualified overcharging indicators.

The reporter learned that if the quality of the shell is not up to standard, in the event of a collision or drop, the internal circuit and battery cell of the mobile power supply cannot be effectively protected, resulting in problems such as short circuits and battery cell leakage, which may also lead to safety accidents such as fire and explosion.

The State Administration of Market Regulation requires local market supervision bureaus to urge e-commerce platforms to immediately remove and handle unqualified products discovered through supervision and spot checks. At the same time, measures such as lockdown and seizure are taken in accordance with the law, and production and sales of enterprises are strictly prohibited. For unqualified enterprises, further clarify the rectification requirements, strictly supervise the implementation of rectification measures, and promptly organize re inspections.

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