At present, the domestic market for usb power pack no uniform national standards or industry standards, this product is related to the consumer's personal and property safety. In this case, the consumer how to buy usb power pack products to security? Response, gives the following recommendations for mobile power charger for iphone sales staff.

1 Do not select No brand the cottage manufacturers address power products. Reporter survey found that currently on the market, cottage usb power pack accounts for a large market share, consumers in the purchase should be especially cautious, because these cottage power in workmanship and security than the poor.

2 Watch the batteries quality products, such as the use of ATL, Sony, BYD brand batteries, quality and more secure.

Not to place undue pursuit of a high capacity usb power pack , because of its higher capacity, the internal stability of the more difficult to control. In general, 3000mAH imaginary subject of usb power pack supply can support a phone full of two electricity.

If consumers really need large capacity mobile power charger for iphone, then they would have to sacrifice some portability. General can be judged from the volume a mobile power is virtual standard, if the product is very small, it marked capacity is very large, it is almost certain there are virtual standard. To keep consumers in the purchase rational, so-called "fish and bear's paw can not have both" compact but large capacity mobile power is not exist, do not be fooled by the merchants.

5 usb power pack safety certification. According to the reporter, the United States UL (safety certification) is currently one of the world's most authoritative safety certification organization, if the mobile power products certified by the agency, you can rest assured to purchase.

6. Understand the the performance conversion rate of mobile power. Power efficiency conversion rate of 80% or less, means moving the power line losses, the batteries heat, may be a security risk.

The face of a lack of standardized mobile power markets, consumers in the purchase to polish his eyes, at the same time learn more about the power aspect of knowledge, to improve their ability to guard against power safety.

How to buy usb power pack

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