Recently, the New Beijing News reported that a couple in Tianjin purchased an outdoor mobile power. When charging, it suddenly exploded, the couple was seriously burned and is still receiving treatment in the hospital. According to the New Beijing News, the victim was purchased in Taobao a 1200W outdoor mobile power, which is also one of "portable energy storage" products, priced at 2990 yuan. This incident has drawn the attention of the quality inspection department and the majority of consumers, the safety of energy storage power supply also sound the alarm to many manufacturers.

  In the last two years, camping and self-driving fever have stimulated consumers' demand for outdoor power supplies, and the domestic market for the same type of products has become hot as a result. According to the "China Portable Energy Storage Industry Development Research Report (2021)" released by China Chemical and Physical Power Industry Association, the global portable energy storage product shipments in 2016 was only 52,000 units, while 2021 has reached 4,838,000 units, China in the whole industry occupies more than 90% of the production exports, is the world's portable energy storage manufacturing power and foreign trade export power country.

  But because many manufacturers decide to divide this “big cake”, to seize the market, but often ignore the most important safety issues. Each energy storage power supply factory need to pass a strict inspection and testing before they leave factory, each test process is critical. As a manufacturer of portable power station, we pay extra attention to the safety of the power. So each energy storage power before leaving the factory, need to strictly pass the following nine tests: BMS test, battery pack test, battery cell test, load test, temperature test, temperature rise test, high and low temperature test, aging test, the whole machine test.

  In order to ensure that the portable power station delivered to customers are safe, we have gone through strict testing in every process. We always aim to give our customers peace of mind and reassurance. Keyshop technology, portable power station ODM one-stop service provider.