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Explosive batteries Samsung Galaxy Note 7 yielded major problems for the South Korean company. First, an urgent recall followed by a total suspension of the product in the market. Now, a report indicates that the manufacturer has tested the safety of the batteries in their own facilities before the launch of the smartphone.

Generally, companies test their batteries in outsourced laboratories, but Samsung has special permission to perform this type of audit in its own facilities. The company’s laboratory has been duly certified by the CTIA, a trade organization that oversees and approves the safety standards that manufacturers apply to smartphones to be sold by the US wireless carriers.

According to The Wall Street Journal, Samsung is the only manufacturer that uses its own facilities to perform certification testing of internal batteries. Despite the ease, some experts believe that this self-test can lead to a conflict of interest, since they use their own space for testing allows companies to better protect proprietary information and even accelerate the launch of its products.

However, Tom Sawanobori, director of CTIA, said that normally the test laboratories are operated separately. He stressed that the association performs quality checks on the premises to ensure that manufacturers are acting in accordance with the standards of the Institute of Electrical and Electronics Engineers (IEEE). “We already have certified more than 1,500 batteries. This is the first time we had a problem,” said Tom.

Supposedly, Apple uses external laboratories to test your batteries, while Motorola and Lenovo claim to use their own facilities to perform tests and then sends the third party components for certification of CTIA. Giants like Huawei and Nokia did not disclose details about their testing procedures.

Meanwhile, Samsung follows harmed by the mysterious problem with your batteries. The last chapter of this novel came when the Federal Aviation Administration authorities (FAA), a kind of Anac US, which is defined federal crime embarking on any plane carrying the Galaxy Note7 .

The company says it is working around the clock to identify the cause of problems, as shareholders and consumers push for disclosure of specific information about the cause of the explosions and guarantees that other manufacturer products will have the same fate.

Source: The Wall Street Journal