What is Battery Energy Storage?

What is Battery Energy Storage?

Battery energy storage is a technology that involves the use of batteries to store excess electrical energy, which can then be used at a later time to generate power. This can be useful in a number of different applications, such as providing backup power in the event of an outage, or helping to balance the grid by storing excess energy generated from renewable sources. Battery energy storage systems are becoming increasingly important as more and more countries look to transition to renewable energy sources and reduce their reliance on fossil fuels.

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Why Choose Rongke?


The company, formerly known as Dongguan Jiexin Energy, was established in 2003. The founder and core team members have been deeply involved in the field of 3C consumer batteries and power lithium batteries for 20 years.


We deeply understand the value of superior customer service. Happy customers are always repeat customers, which can turn into long-term loyal customers. Superior customer service is more than simply delivering products or services as ordered, it's about being responsive to needed and proactive . 


Rongke has a production capacity of more than 18,000 batteries per month, and can flexibly coordinate production and change versions according to customer needs. We have a modern industrial standard factory building and two automatic lithium battery Pack Pack production lines.

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Dongguan Rongke New Energy Technology Co, Ltd. was founded in 2019 and was transformed from the original Dongguan Mcnair TECHNOLOGY CO.LTD. We are a high-tech enterprises that integrates R&D, production, sales and service of lithium battery energy storage systems such as high voltage storage and low voltage storage for residential or micro-grid,power wall,portable power stations,lead acid battery replacement etc. Our products are widely used in home storage,transportation, communications,power tools and consumer electronics which are suitable for on-grid or off grid applications.Rongke Technology has strong technical force, advanced automated production technology, and perfect quality management system. It has always adhered to the concept of "excellence, technological innovation, continuous improvement, and customer satisfaction", and is committed to becoming the world's best supply of new energy battery solutions providers.

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Battery energy storage refers to the use of batteries to store excess electricity for later use. This can be a useful technology for a variety of applications, including backup power for homes and businesses, grid-scale energy storage to balance electricity supply and demand, and the storage of renewable energy such as solar or wind power.

There are several different types of batteries that can be used for energy storage, including lead-acid batteries, lithium-ion batteries, and flow batteries. Each type has its own advantages and disadvantages, and the best choice will depend on the specific application.

Lithium-ion batteries are becoming increasingly popular for energy storage due to their high energy density and relatively long lifespan. They are also relatively lightweight and can be easily scaled to meet the needs of a variety of applications. However, they are more expensive than lead-acid batteries and can be prone to degradation over time.

Flow batteries are a newer technology that uses liquid electrolytes to store and release energy. They have a long lifespan and can be easily scaled up or down to meet the needs of a particular application. However, they are still relatively expensive and may not be suitable for all applications.

In addition to the type of battery, the size and capacity of the battery system will also be an important consideration when designing an energy storage system. The size of the system will depend on the amount of electricity that needs to be stored, and the capacity will determine how much electricity the system can store at a given time.

Battery energy storage systems can be used in a variety of applications, including on-grid and off-grid systems. On-grid systems are connected to the electrical grid and can provide backup power during outages or store excess electricity generated from renewable sources. Off-grid systems are not connected to the grid and are typically used to store electricity generated from renewable sources in remote or isolated locations.

In conclusion, battery energy storage is a technology that can be used to store excess electricity for later use, and is useful for a variety of applications including backup power, grid-scale energy storage, and the storage of renewable energy. Different types of batteries, such as lead-acid, lithium-ion, and flow batteries, can be used for energy storage, and the best choice will depend on the specific application. The size and capacity of the battery system will also be important considerations when designing an energy storage system.

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Combining CATL, EVE, GOTION, Great Power, ATL's etc. world-class lithium cell supply resources with professional safety battery PACK packaging technology, Rongke provides an efficient, one-stop shop for all our customers' energy storage needs. Using thousands kind cell specifications, we can deliver a wide range of battery size and capacity solutions to meet the needs of Battery Energy Storage & Systems, from customized design and manufacturing to certification, sales, service and more.

Optimal product safety is the foundation of everything we do. When designing products, we apply multi-dimensional (structural, electrical and thermal) redundant safety protection via scientific tools such as FMEA (Failure Mode and Effects Analysis) and simulation. We adopt at RSD' life prediction system combined with rigorous safety management to supervise the life-cycle conditions of our products. We also collect, analyze and archive all supervision data to ensure our users can rely fully on the safety of our products.

At this stage, 5,000 square meters have been put into use, with a monthly production capacity of 5 million US dollars. The second phase of the factory building is planned to add 5,000 square meters in the second quarter of 2023, and the monthly production capacity will reach 10 million US dollars by then. The third phase of the plant plans to add another 5,000 square meters in the fourth quarter of 2023, and the monthly production capacity will exceed 15 million US dollars.

What are the applications of battery energy storage systems? Battery energy storage systems are widely used in various fields, such as household energy storage, commercial energy storage, industrial energy storage, power grid energy storage, and so on. It can provide backup energy for power systems, balance power supply and demand, and improve the stability and reliability of power systems

Battery energy storage systems have many advantages, such as high efficiency, flexibility, reproducibility, reliability, and so on. It can effectively reduce energy waste and improve energy utilization, while also reducing dependence on traditional energy and promoting sustainable development.

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