Description Basic parameters of a lithium-ion battery include voltage, capacity, internal resistance, annual self-discharge rate, operating temperature, and charge and discharge times. Most of the parameters are:

　　Voltage: 3.6-3.7V, capacity: 2200mAh, internal resistance <50mΩ, annual self-discharge rate: <10%, that is, the battery is reduced by less than 1% in a year, the operating temperature is -20℃ -60 ℃, and the number of charges is 800 times.

　　The specific battery parameters vary according to its electrode material and electrolyte material. Lithium battery technology advanced brands are Samsung, Sanyo, Panasonic, SONY, LG and so on.

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