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The reason why lithium battery chargers cannot charge lead-acid batteries
It is generally not recommended to use it this way. Although chargers without pulse function can theoretically charge the battery, it may still harm the battery. Although the battery has a protective plate, it can theoretically provide protection during overcharging or discharging. If the overcharging protection voltage is frequently triggered during charging, the output voltage setting of this charger will be incorrect.
Due to the fact that lead-acid battery chargers are generally set in a two-stage or three-stage charging mode, the voltage levels of lithium batteries and lead-acid batteries do not match. There are also many types of lithium batteries, and their performance and protection board parameters may vary. Therefore, lithium batteries do not have a universal battery charger like lead-acid batteries. Generally speaking, batteries come with a dedicated charger when they leave the factory. To protect the battery, a dedicated charger is required.
Lithium batteries:
Lithium ion battery charging control first charges according to a constant current, and then when the battery voltage rises to 4.2V, the voltage no longer rises. The charger detects the current and ends charging if it is less than a certain value. Lithium ion batteries are sensitive to overcharging, so the protection circuit is complex. The maximum charging rated voltage for a single nominal 3.6V battery is 4.2V, with an allowable upper limit of no more than 1%.
Lead acid battery:
The ideal charging current for lead-acid batteries is pulse type. Pulse charging is best achieved through direct rectification and unfiltered pulsating DC charging using the 50-60HZ mains power supply we use (this is a practice based on simple circuits and low costs). Due to the high self discharge rate of lead-acid batteries, constant voltage charging is generally used when using power frequency charging
Why are lead-acid batteries and lithium battery chargers not interchangeable?
If the voltage is consistent, lithium batteries can be charged with lead-acid batteries, but lead-acid batteries cannot be charged with lithium because lithium batteries have higher safety requirements. The charging control method of lead-acid batteries is completely different from that of lithium batteries, and the voltage may also vary greatly. Do not use them incorrectly.
The individual voltage of lead-acid batteries is 2V (common specifications for battery packs include 6V, 12V, 24V, etc.), and a suitable charger needs to be selected based on the voltage.
The individual voltage of a lithium battery is 3.63.7V. The charging control is to first charge according to a constant current, and then when the battery voltage rises to 4.2V, the voltage no longer rises. The charger detects the current and ends charging if it is less than a certain value. Input voltage: 100-240V, input frequency: 50-60Hz, single battery charging voltage: 4.2V.
Why are lead-acid batteries and lithium battery chargers not interchangeable?
If the voltage is consistent, lithium batteries can be charged with lead-acid batteries, but lead-acid batteries cannot be charged with lithium because lithium batteries have higher safety requirements. The charging control method of lead-acid batteries is completely different from that of lithium batteries, and the voltage may also vary greatly. Do not use them incorrectly.
The individual voltage of lead-acid batteries is 2V (common specifications for battery packs include 6V, 12V, 24V, etc.), and a suitable charger needs to be selected based on the voltage.
The individual voltage of a lithium battery is 3.63.7V. The charging control is to first charge according to a constant current, and then when the battery voltage rises to 4.2V, the voltage no longer rises. The charger detects the current and ends charging if it is less than a certain value. Input voltage: 100-240V, input frequency: 50-60Hz, single battery charging voltage: 4.2V.
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