Lithium-ion batteries usually refer to ternary lithium-ion (NCM) batteries. The rated voltage of the single unit is 3.7V, and the charging cut-off voltage is 2.75V~4.2V. From the structural form, there are cylindrical (18650/21700) lithium batteries and polymer lithium batteries.Lithium-ion batteries are usually used in mobile phones/3C digital products/consumer electronic products and other fields, please feel free to contact us！
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