With the development of smart phones, especially the advent of 4G, mobile power has gradually become the "standard" of mobile phones. Counting other products from tablets, Bluetooth headsets, laptops and other mobile power derivatives, mobile power will be an essential product in people's lives. However, due to the co-existence of the mobile power industry, there is a lack of national standards and regulations, resulting in a large number of explosions, burning mobile phones, stopping the subway and burning on planes, seriously affecting consumer safety. I believe everyone urgently needs a truly professional and simple way to choose mobile power. The following author for you to explain how to select the mobile power. one look Look at the brand. General quality control of major brands are better. Choose a good brand is to ensure the safety and quality of mobile power first step. Look at the logo: capacity, input voltage / current, output voltage / current, the number of outputs. This article concludes with a description of mobile power related parameters and common sense. Note: Gifts mobile power must be careful, after all, is to send something, not good quality, burned cell phone or battery explosion is no place to claim. Second, touch If the mobile power when charging and discharging the surface hot, be careful, it is best not to use, or require manufacturers to return. Third, listen The mobile power to the ear, if you hear the buzz, it is best not to use, or require manufacturers to return, or it may damage the phone. Fourth, try Press the switch button, and then use the coin or a small key repeatedly inserted into the phone charging port 20 times. If the mobile power is broken, indicating a problem with the quality of mobile power, do not use, you can ask the manufacturer to return. At the same time insert the adapter and the phone, if you can not normally charge the phone, indicating the mobile power is defective, it is recommended not to use. Fifth, use Do the following test in use to see if you have to buy a virtual standard capacity or current size of mobile power. 1 cell phone charging times = (65% * mobile power nominal capacity (mAh)) / (cell phone capacity (mAh)) For example, to buy a mobile power is 10400mAh, cell phone capacity is 2000mAh, then you can charge 3.38 times. If not actually filled so many times, it is likely to buy the capacity of the mobile power is not 10400mAh, you can request manufacturers to return. 2 mobile power charging time = mobile power nominal capacity (mAh) / (nominal charging current (A) * 1000) Such as the purchase of mobile power is 1A charge current, the nominal capacity of mobile power 10400mAh, then filled with the mobile power supply takes 10.4 hours. If the charging time is too long, either the adapter current is too small, or the mobile power charging current virtual standard. Judgment is also very simple, using the phone's standard adapter to test the charging time can be ruled out the possibility of adapter current is too small. 3 to see the power indicator or LCD power display. Insert the adapter, unplug the adapter, insert the phone. If during this process there is a flashing battery indicator or a sudden change in LCD display indicating a problem with the battery indicator, caution is advised. 4 phone is fully charged can automatically power off, if you find that the mobile power has been charging the phone, it is recommended not to use, you can request the manufacturer to return. In short, the most effective way is to choose the big trusted brand product. Easy Micro- electronics provides the safest, the most outstanding performance of mobile power chip. With "easy to core" mobile power is a reliable mobile power. Automotive Parts,Honda Crv Caliper,Twin Air Compressor Mounting,Engine Exhaust System Dandong Haichuan Machinery Co., Ltd. , https://www.ddhccasting.com