1、 Used as a battery for electric toothbrushes

　　I believe many people have replaced traditional toothbrushes with electric toothbrushes. Electric toothbrushes have stronger cleaning ability and high vibration frequency, which can shake off residues attached to teeth. The charging frequency and frequency of electric toothbrushes are relatively low, and they can be used for a long time on a single charge. This is also one of the functions of lithium batteries, which can have a longer service life and low discharge.

　　2、 As a rechargeable battery for electronic toys to avoid loss of interest

　　Nowadays, many toys do not use the installation of batteries as a charging method because the purchase cost of batteries is relatively high and the use time of toys is relatively short. Many children do not have the interest to continue playing after purchasing toys for a period of time. Therefore, electronic toy manufacturers have changed the charging method to lithium batteries, reducing the cost of battery purchase and avoiding the embarrassment of sudden battery failure.

　　3、 Widely used as a battery for mobile phones, increasing convenience

　　One of the reasons why lithium batteries are widely understood and known by the public is that they exist as mobile phone batteries. The reason why mobile phones can be charged on demand is because they use polymer lithium batteries as power supply products. With the increasing range of mobile phone use, the sales range of lithium batteries is also increasing, and many battery manufacturers are constantly innovating to increase the battery life.

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