KTV rechargeable battery: maintenance of rechargeable battery
Release time:
2021/08/05
KTV rechargeable battery charging problem has been the focus of attention. A correct and good charging method can ensure the service life of the battery. There are many recommend charging methods for rechargeable batteries, and different charging methods have different requirements for the charger circuit, which will naturally affect the cost.
KTV rechargeable battery charging problem has been the focus of attention. A correct and good charging method can ensure the service life of the battery. There are many recommended charging methods for rechargeable batteries, and different charging methods have different requirements for the charger circuit, which will naturally affect the cost.
Memory effect is a major natural enemy of rechargeable batteries. It is generally believed that it is caused by long-term incorrect charging, which will cause the battery to age prematurely. The memory effect will make the battery unable to charge effectively, it will be fully charged as soon as it is charged, and it will be exhausted as soon as it is used up. The way to prevent the battery memory effect is to ensure that the batteryThe principle of "sufficient light" is that it is recommended to light up the remaining power in the battery before charging, and it must be within one degree. Usually nickel-cadmium batteries are prone to memory effects, so pay special attention when charging. Ni-MH batteries have no memory effect in theory, but it is recommended to follow the principle of "sufficient light. This is why many chargers offer an additional discharge function.For batteries with reduced capacity due to the memory effect, we can repeat several times, once full, and then once lit, most of the batteries can be repaired. For some batteries that are stored for a long time and lose their activity, you can try to activate them with a large current shock method.
KTVChargingThe relationship between battery charging time and charging current is that the battery capacity is divided by the charging current to obtain the charging time. Considering the loss in the charging process, the calculated charging time is multiplied by a constant1.2.
The simple charging method commonly used for nickel-cadmium and nickel-metal hydride batteries is to use10%CConstant current charging, also known as "slow charging", that is, the charging current according to the current10%Determine capacity values, such as nominal capacity500mAH. The recommended charging current for the battery is50MA; for nominal capacity1300mAHThe recommended charging current for the battery is130MA. Continuous charging at this current12-15Hours can be considered full. Although constant current charging is recommended, the requirements are not strict and large fluctuations in current are allowed. Therefore, the structure of the charger manufactured in this way is very simple. Generally only one transformer will be needed220VMains into a suitable low voltage can be rectified. The cost of indicator devices such as diodes, current limiting resistors, and some light-emitting diodes is very low. Most of the independent conventional chargers on the market use this method, but the appearance is different.
KTVChargingBatteryBattery interruption should also be avoided during charging. Do not unplug the charger after charging for a period of time, and then charge it later. In fact, if the battery is not charged, it has already begun to self-discharge. Therefore, it does not follow the principle of fully exhausted and fully charged, which is not good for the battery. The newly purchased battery is charged by the manufacturer, completely used up, and can be used when fully charged.
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