Lithium ion batteries are divided into liquid lithium ion batteries and polymer lithium -ion batteries. The electrolyte of the lithium -ion battery is flowing, so it is more unstable than the lithium polymer battery. When it comes to an external force, or the use of a charger that does not meet the standard, the battery explosion may cause the battery. Many portable electronic products such as mobile phones, computer computers are lithium batteries. In other words, there is a "bomb" around many people. For safety reasons, you must pay attention to the following points when buying.

First, do you indicate a clear capacity? The battery with no clear labeling capacity (such as 1000mAh or 1000 mAh) is likely to use inferior batteries or recycling batteries. Many cheap batteries that are filled with the market are made by recycling battery hearts. Although the price is cheap, the life span and unstable quality, accidental use may damage the phone.

Second, do you guarantee your standby time. The standby time is the continuous use time of the battery after the battery is installed into the mobile phone. General market

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None of the sold batteries can guarantee the standby time for customers. This is because of the unstable quality of the battery. Many cheap batteries have a short standby time because they use poor quality battery hearts.

Third, whether to install a safe protection circuit board. Without a protective circuit board, lithium batteries are risk of deformation, leakage, and explosion. Under the competition of malignant price cutting, each household seeking a lower price protection circuit board, or a fundamental omitted the device, makes the market full of lithium batteries with explosive danger. Consumers cannot distinguish whether there is a protective circuit board from the appearance, so it is best to choose a reputable merchant to buy.