Analysis of ways to distinguish the quality of lithium-ion batteries

1. Checking the anti-counterfeiting label to see if there is an anti-counterfeiting label is the key. Generally speaking, most brand batteries will have an anti-counterfeiting label attached to the docking part of the battery shell when they leave the factory. Therefore, when purchasing, pay attention to see if the anti-counterfeiting label is well pasted. If necessary, you can also scratch off the anti-counterfeiting label password coating to verify the authenticity. Finally, pay attention to the processing date printed on the lithium-ion battery. 2. Charging process inspection method. Lithium-ion battery manufacturers tell you that there should be an over-current protector inside the general genuine lithium iron phosphate battery. In the case of excessive current caused by an external short circuit, the circuit will be automatically cut off to avoid burning or damaging electronic products. Lithium-ion battery also has an overcharge protection circuit. It will automatically cut off the power when using irregular electrical appliances and excessive AC current. If the battery is found to be severely heated or smoked or even exploded during the charging process, it means that the battery is fake of. 3. Performance identification method to investigate the performance of lithium-ion batteries. Generally, battery working time is a relative concept. Li-ion battery manufacturers say that the rated capacity of the battery should not be less than 95% of the standard capacity, and the minimum capacity should not be less than the rated capacity after being fully charged for 28 days. 60%, the battery life is no less than 400 times; if the battery does not meet the above standards, it can be judged to be a fake. 4. Lithium-ion battery manufacturers analyze that the appearance of all genuine lithium-ion batteries should be neat, without extra burrs, and the outer surface has a certain roughness and feels comfortable; the inner surface feels smooth, and the fine longitudinal direction can be seen under the light. Scratches. The battery electrode has the same width as the cell phone battery sheet, and the corresponding position under the battery electrode is marked with [+] and [-]. The isolation material of the battery charging electrode is the same as the shell material, but it is not integrated. 5. Compare the size of the battery capacity. The general nickel-cadmium battery is 500mAh or 600mAh, and the nickel-hydrogen battery is only 800-900mAh; and the capacity of the lithium mobile phone battery is generally between 1300-1400mAh, so the lithium-ion battery is fully charged. The time is about 1.5 times that of nickel-hydrogen batteries and about 3.0 times that of nickel-cadmium batteries. Lithium-ion battery manufacturers say that if they find that the working hours of the lithium-ion mobile phone battery block you have purchased is not advertised or specified in the manual, it may be a counterfeit. When people distinguish between true and false batteries, one small detail is often overlooked, that is, the battery contacts. Because of the real cell phone batteries of various famous brands, their contacts are mostly annealed and should be matte rather than shiny, so based on this, the authenticity of the cell phone battery can be preliminarily determined. In addition, we must carefully observe the color of the contacts. The contacts of fake mobile phone batteries are often made of copper, so its color is red or whitish, while the real mobile phone battery should be this kind of pure golden yellow and reddish. Or it may be fake. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: How long is the life of the ternary lithium ion battery pack?