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What is the capacity of a battery?

Views: 0     Author: Site Editor     Publish Time: 2023-08-01      Origin: Site

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The battery capacity can be divided into Nameplate capacity and actual capacity. The Nameplate capacity of the battery refers to the provision or guarantee that the battery should discharge the minimum amount of electricity under certain discharge conditions when designing and manufacturing the battery. According to IEC standard, Ni Cd and Nickel–metal hydride battery shall be used at 20 ℃± 5 ℃ toThe Nameplate capacity of the battery is the amount of electricity discharged after charging at 0.1C for 16 hours and discharging at 0.2C to 1.0V, which is expressed in C5. For lithium-ion batteries, it is required to charge for 3 h under the charging conditions of normal temperature, constant current (1C) - constant voltage (4.2V) control, and then discharge at 0.2C to 2.75V as its Nameplate capacity. The actual capacity of the battery refers to the actual capacity of the battery under certain discharge conditions, which is mainly affected by the discharge rate and temperature (so strictly speaking, the battery capacity should specify the charging and discharging conditions). The units of battery capacity are Ah, mAh (1Ah=1000mAh)


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