Battery Tester Manufacturer

Technology Field
The Importance Of Establishing Regular Charge & Discharge Maintenance System For Batteries
During the use of lead-acid batteries, if the battery pack is in a relatively static state such as floating charging or idle for a long time, the activity of the active materials on the battery plate will decrease, and the capacity will gradually decrease, thereby affecting the life of the battery. For an energy conversion device, there are many factors that affect the capacity in actual use, resulting in uncertainty in its capacity. In order to ensure the uninterrupted power supply system, it is extremely important to check the battery capacity regularly to accurately know the true capacity of the battery. 

Valve-regulated lead-acid batteries (VRLA) have a service life of 8-20 years. During such a long period of use, phenomena such as uneven battery terminal voltage, battery case deformation, battery vulcanization, electrolyte leakage, and insufficient capacity often occur. , Bring hidden dangers to system operation security. The valve-regulated sealed battery has been widely used because of its outstanding characteristics, but there are still some noteworthy problems in its manufacturing and operation. It should always be remembered that it is by no means a "maintenance-free" battery (called a valve-regulated sealed battery) ), don’t be misled by "maintenance-free". 

Scheduled charge and discharge is also called verification discharge, after a certain time to make the material of the plate for a larger charge and discharge reaction, to check the battery capacity, and can find aging battery, timely maintenance treatment, in order to ensure the normal operation of the battery.

The value of scheduled maintenance of batteries

► Battery charge/discharge test can properly judge the battery status and quality. In important sectors such as power and communications, daily battery maintenance is an important means to improve the safety and reliability of power supplies and reduce safety issues. 
► A regularly scheduled battery test and maintenance in storage will avoid the inventory loss caused by the sulphuration, premature failure, keep the battery in good health.
► Regular testing and maintenance will prolong the service life, avoid warranty claims.
► Keep the battery operating reliably and safely, ensuring your batteries are operating optimally and avoid unnecessary downtime.
► Save battery pack investment cost value: solve the problem of battery pack being scrapped in advance, avoid investment waste and unnecessary finance losses, extend battery pack service life and replacement cycle.
►Optimizing and regrouping the Used Batteries, minimizing the cost.

Scheduled charge and discharge maintenance during battery storage

The battery will self-discharge during long-term storage. The self-discharge of the lead-acid battery is caused by the instability of the electrode active material in the electrolyte. If the battery is in a long-term self-discharge state, the self-discharge of the battery will make the plate vulcanization and capacity decline. Usually, rechargeable lead-acid batteries will reduce the battery capacity by 0.5% to 1% due to self-discharge within a day. If the battery is in the state of self-discharge for a long time, it will directly lead to irreversible damage and direct scrap. Therefore, scheduled charge and discharge maintenance is particularly important. In the storage and management of batteries, it is necessary to establish a scientific and regular charging and discharging maintenance program according to different battery characteristics to maintain the normal performance of the battery to avoid unnecessary economic losses. 

Scheduled charge and discharge maintenance during battery use 

In the practical application of batteries, a battery pack is usually composed of several battery units to supply power or power to the system. However, after a period of use of the battery, it is often found that the capacity of the battery has decreased. For example, an electric car will find that its cruising range is shortened after a period of use. The actual situation is caused by the imbalance of the battery cells inside the battery pack. However, the actual situation is caused by the imbalance of the battery unit within the battery pack. In many cases, the capacity of one battery unit decreases, leading to the decrease of the capacity of the whole battery group. The lowest level of the battery unit in a battery pack decides the performance of the entire battery pack.

The backup power system in the fields of electric power, communication, etc. may consist of dozens of individual batteries in series. As long as one battery is damaged prematurely, if it is not discovered in time, it will accelerate the obsolescence of other batteries. When a large number of UPS fails, the first thing to throw away is the expensive battery. The reason is that the battery voltage is first reduced due to various reasons, and maintenance personnel have no corresponding testing means. The costly establishment of the backup power system will cause system breakdown and loss of important data due to the uncertainty of the battery status. The consequences are unimaginable. The huge losses are far beyond tens of thousands of dollars to make up for. Therefore, early testing and elimination of hidden dangers are important measures to protect the operation of the system. 

Determination of battery aging status

When the actual capacity of the battery drops below 90% of its rated capacity, the battery enters a period of decline. When the battery capacity drops below 80% of its original value, it will enter a state of rapid decline. At this time, the battery has a hidden danger of an accident. When the battery capacity drops below 60% of the original battery capacity, the battery has reached the end of life. 
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