How to test mobile phone battery capacity?

Source: 2020 - 04 - 02 glorifying the hits: mobile phone battery capacity? How to test mobile phone battery capacity? Abstract: check the battery capacity can check the label on the cell phone battery, also can rely on the mobile phone software specialized check the battery capacity, can also be sent to a special testing part is measured. Normal battery manufacturers, ability is generally high, in the name of the lithium ion battery capacity generally between 1300 ~ 1400 mah, so after the current lithium ion battery power is about 1. Five times the nimh batteries, nickel cadmium battery 3. 0 times. Mobile phone battery capacity testing method 1. Rely on software that is designed to check the cell phone battery capacity and to check the battery capacity. 2. Under the condition of the testing process for constant current, choose by measuring resistance near the resistor and ammeter in series, will be fully charged battery discharge ( 4. 2v) Until 3. 7 v. Measure the current and record time. If the current record is 200 ma, the discharge time is 4 hours. So the battery capacity is 200 x4 = 800 mah. 3. Committed to the professional test department for testing. This figure is provided by the registered users' technical lectures, copyright illustrate how to calculate the cell phone battery capacity? Lithium battery charging methods for pressure limiting cross-flow charging ways, charging current is set to 0. 2c。 Charge and discharge current is generally called C, is with the battery capacity corresponding values. Battery capacity is generally expressed in mA, such as L600 battery capacity is 1800 mah, the corresponding C is 1800 mA. 0. 2 c is equal to 240 ma. In general, lithium battery charging current is set to 0. 2c。 According to this principle, we can through the battery charging time to calculate roughly the capacity of mobile phone battery. L600, for example, to calculate L600 battery capacity: battery is 1800 mah, according to the 'general lithium battery charging current is set to 0. 2 ℃ 'calculation, 0. 2× 1800 = 360. Start with L600 charging time, L600 batteries of the time nearly five hours, namely 360 & times; 5 = 1800. This is the foundation of the computational cell phone battery capacity. As you can see, the capacity of the battery capacity and instruction is the same. Many shanzhai, standard of battery capacity is very big, some staggering, charging soon filled with a two days the power went out. In this way, we can easily determine roughly capacity of the battery. What is a good mobile phone batteries? General nickel cadmium battery capacity is 500 mah or 600 mah, nickel metal hydride battery capacity is 800 ~ 900 mah also; And the capacity of lithium ion battery is in commonly 1300 ~ 1400 mah, so after lithium ion battery meets the time is about 1 of nimh batteries. 3 5 times, is the nickel cadmium battery. 0 times. 2, see appearance really battery anti-wear surface evenly, chooses PC raw materials, no brittle phenomenon; Battery pretended not anti-wear or too rough, and the use of renewable raw materials, easy to brittle. Authentic phone battery surface color and texture clear, uniform, clean, no obvious scratches and damage. Hardware has no obvious scratches and black, green, the battery shell and mobile body color, with mobile phones, lock good fastness. Galvanic battery model should be printed on the label, standard varieties, rated capacity, voltage, positive and negative electrode marks, name of manufacturer. Mobile phone battery internal overcurrent protector. When external short circuit result in current is too large, the circuit will be cut off automatically, prevent the mobile phone to burn out or damaged. If in the process of charging, find battery severe fever, smoke, even burst, the battery must be false. Five, the safety sign, such as battery sticker to hide under the oblique trademark brand logo, some brand trademark is the safety of the diamond, and no matter from which point of view, has a three-dimensional effect. On the contrary, anti-counterfeit marking color is deeper, the lack of stereo feeling, it is easy to counterfeit. 6, measure the voltage if using nickel cadmium, nickel metal hydride batteries pretend to lithium ion battery blocks, it must be composed of five battery, a battery charging voltage is usually not more than 1. Total 55 v, when the battery charging voltage less than 8. 0 v, it may be a nickel cadmium, nickel metal hydride batteries.