u003cpu003e As for the quality of lithium batteries, our usual practice is to use professional measuring instruments to determine, but this kind of special instrument is not something ordinary users can have, so what should ordinary users do when buying lithium batteries How to accurately and quickly judge the quality of an UPS lithium battery? u003c/pu003eu003cpu003eu003c/pu003eu003cpu003e In fact, the method is very simple. The first is to simply judge from the outside, just like seeing, smelling and asking when seeing a doctor in Chinese medicine. When observing, first look at the integrity of the appearance, such as whether the appearance of the lithium battery is deformed or raised. If this happens, it means that the internal chemical structure of the lithium battery has been destroyed, which is the number one choice to exclude. In addition to observing the deformation, it is also necessary to see if there is any leakage, cracking, bursting, scorching, or leakage of internal liquid from the screw connection. Usually this kind of battery is a battery with major quality problems, not just the appearance. The defective batch of lithium batteries cannot be selected, and it is not recommended to choose batteries of the same model and the same manufacturer, in order to prevent safety accidents and various failures during use. In addition to viewing the completeness of the appearance from the surface, it is also necessary to carry out a load measurement on the inside. When it is determined that there is no abnormal appearance, the next step is usually to make the UPS lithium battery pack
bear a certain amount of load when it is in working mode. If the discharge time of the lithium battery cannot reach the normal discharge time or the charging time is sufficient If the standby time specified by the normal standard cannot be restored afterwards, it means that the battery is aging and can no longer meet people's daily use needs for lithium batteries. Anchoru003c/pu003eu003c/pu003e
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