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How much lithium battery charging current is better

How much lithium battery charging current is better

  • Categories:Industry news
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  • Time of issue:2022-05-12 16:03
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(Summary description)constant current charging current: the so-called constant current is the current constant, voltage gradually increased, at this time into the fast charging stage. Most constant-current charging currents are set between 0.4 and 0.6C, which can be understood as 0.5C, which means it can be charged in about two hours without considering other factors. The reason why 0.5C is chosen is that this current achieves a good balance between charging time and charging safety.

How much lithium battery charging current is better

(Summary description)constant current charging current: the so-called constant current is the current constant, voltage gradually increased, at this time into the fast charging stage. Most constant-current charging currents are set between 0.4 and 0.6C, which can be understood as 0.5C, which means it can be charged in about two hours without considering other factors. The reason why 0.5C is chosen is that this current achieves a good balance between charging time and charging safety.

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2022-05-12 16:03
  • Views:
Information

1, constant current charging current: the so-called constant current is the current constant, voltage gradually increased, at this time into the fast charging stage. Most constant-current charging currents are set between 0.4 and 0.6C, which can be understood as 0.5C, which means it can be charged in about two hours without considering other factors. The reason why 0.5C is chosen is that this current achieves a good balance between charging time and charging safety.
2, constant voltage charging charging current: in terms of a single lithium-ion battery, when the battery reaches a certain voltage value, that is, into the constant voltage charging, the voltage value is generally 4.2V, at this stage, the voltage is unchanged, the current decreases; This current reduction is a sequential process, and most lithium battery protection chooses 0.01C as the termination current, which means that the charging process enters the end state. Once the charging is finished, the charging current drops to zero.
3, precharging current: that is, when the initial/no-load voltage of lithium battery is lower than the precharging threshold, the first to go through a precharging stage, in terms of a single lithium ion battery, this threshold is generally 3.0V, in this stage, the precharging current is about 10% of the next stage - constant current charging stage current.
Lithium battery can accept the limits of the charging current is usually 1 c even smaller, lithium battery charging current general mark of the charger, you look at, lithium batteries used are usually constant current and constant voltage charging mode, when the charge to the charger to limit the voltage to a trickle charge, so the charging time plus 1 hours or so if you want to calculate the charging time, Divide the battery capacity by the charging current, add the conversion loss, and add just one hour.

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