What Are The Advantages Of Rechargeable Sealed And Maintenance-Free Lead-Acid Batteries Over Ordinary Batteries?


Rechargeable sealed maintenance-free lead-acid battery (also known as VRLA battery) is a common type of battery, suitable for a wide range of applications, such as UPS power supplies, solar energy systems, electric vehicles, security, communications, etc. Compared with the ordinary lead-acid battery, it has higher performance stability, longer service life, lower maintenance cost and better safety performance, so it is widely used.

First, we need to understand the basic structure of VRLA battery. VRLA battery is mainly composed of positive plate, negative plate, separator, electrolyte, shell, safety valve and so on. Energy is stored and released through the reaction between positive and negative plates and electrolytes. VRLA batteries also use dividers to form electrochemical reaction separation between negative and positive electrodes in the battery to prevent short circuit of the positive and negative electrodes. The battery is called a sealed maintenance-free lead-acid battery because of its hermetically sealed structure and storage of electrolytes.

Next, let us introduce the main characteristics and technical parameters of VRLA battery. First of all, VRLA batteries have a higher service life, usually can reach 5-10 years of life. Secondly, compared with ordinary battery, VRLA battery is more safe and can effectively prevent electrolyte leakage. Batteries have lower maintenance costs because they do not require constant checking of water levels or additional moisture, and their sealed construction also provides protection during transportation and use. In addition, VRLA batteries also have higher energy density and better charge-discharge performance, capable of producing higher energy output in a short period of time.

Product parameters of VRLA batteries usually include capacity, voltage, size, and weight. Capacity refers to the battery can store electrical energy, the common unit of capacity is ampere hours (Ah);  voltage is usually 12V or 24V, different application field requirements are also different;  the size and weight affect the carrying and installation of the battery, which needs to be selected according to the actual demand.

In addition to the technical parameters mentioned above, other factors should be considered when selecting VRLA batteries. For example, you need to ensure that the storage battery matches the requirements of the actual application device, and you need to determine the selection and pairing of the battery based on the load characteristics of the device and the characteristics of the charger. In addition, you need to consider the battery operating environment, such as temperature, humidity, and safety level.

Finally, the purchase of VRLA battery, but also needs to consider the product price and after-sales service. Usually, price is related to factors such as capacity, quality and brand. For high-value applications, such as UPS power supplies or solar power systems, you need to purchase high-quality and high-capacity VRLA batteries to ensure device reliability and stability. In the selection of suppliers, after-sales service, maintenance and other guarantees should also be considered to ensure the sustainable and effective operation of equipment.

In short, VRLA battery is widely used in different fields, stable performance, long service life, low maintenance cost and safe and reliable battery, with high market value and application prospects. When purchasing a product, it is necessary to consider factors such as technical parameters, operating environment, price and after-sales service to select the most suitable product.