Lithium battery cluster

Lithium batteries are quickly becoming the go-to energy source for all sorts of applications. But what exactly is a lithium battery cluster and why is it so important?

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Certifications and Standards

There are multiple certifications and standards that a lithium battery cluster must adhere to in order to be safe and effective. Here are some of the most important ones:

• UL certification: This certification is from Underwriters Laboratories, an independent safety science company. A UL-certified lithium battery cluster means that it has been tested and meets all the required safety standards.

• IEC 62133 certification: This international standard covers the safety of secondary lithium cells and batteries used in electronic equipment. A battery cluster must meet the requirements of this standard in order to be certified.

• CE mark: The CE mark is a mandatory mark for products sold in the European Economic Area (EEA). It stands for “Conformité Européenne” which means “European Conformity”. In order to receive the CE mark, a product must meet all applicable EU directives. For lithium battery clusters, this includes the Low Voltage Directive (LVD) and the RoHS Directive.

• UN 38.3 certification: This United Nations standard specifies the tests that must be carried out on lithium ion batteries before they can be shipped internationally. A battery cluster must pass all of these tests in order to be certified.

Lithium battery cluster
design attributes


technical parameter

Cell type


Module type



compound mode



nominal voltage (V)



Rated capacity (Ah)



Nominal energy (kWh)



Standard charging current (A)



Maximum charging current (A)

150(0.625C) @5S

150(1.25C) @5S

Standard discharge current (A)



Maximum discharge current  (A)


150(1.25C) @5S

running voltage (V)



Size (width, depth and height)  (mm)



weight (kg)



IV curve

A lithium battery cluster is a group of batteries that are connected together to provide a higher voltage output. A cluster typically contains four batteries, but can contain more or less depending on the application. The most common type of lithium battery cluster is the IV curve, which provides a voltage output of 12 volts.

Lithium battery clusters are often used in applications where a higher voltage is required, such as in electric vehicles or solar energy systems. They offer a number of advantages over traditional lead-acid batteries, including a higher energy density, lower weight, and longer life span. Lithium battery clusters are also generally more expensive than lead-acid batteries, but their overall cost is typically lower when taking into account the increased lifespan and performance.

Electrical performance

A Lithium battery cluster is a high-performance, energy-dense battery pack used to power electric vehicles (EVs). A cluster typically consists of several hundred to over a thousand individual Li-ion cells connected in series and/or parallel, depending on the desired voltage and capacity.

Lithium battery clusters offer several advantages over traditional lead-acid batteries, including:

Higher energy density: This results in a smaller, lighter battery pack that takes up less space.

Longer life span: Lithium batteries can last up to 10 times longer than lead-acid batteries.

Improved safety: Li-ion batteries are less likely to overheat or catch fire than lead-acid batteries.

Electrical performance parameters

Lithium battery clusters are made up of a number of interconnected lithium batteries. The cluster's electrical performance is determined by the characteristics of the individual batteries, as well as the number and type of connections between them.

The most important performance parameter for a lithium battery cluster is its capacity, which is the total amount of energy that can be stored in the cluster. The capacity is determined by the number and size of the batteries in the cluster, as well as the cluster's configuration.

Another important performance parameter is the voltage of the cluster. The voltage is determined by the number and type of batteries in the cluster, as well as the way they are connected together.

The current output of a lithium battery cluster is also an important performance parameter. This is determined by the number and size of batteries in the cluster, as well as their configuration.

Finally, the temperature range over which a lithium battery cluster can operate safely is also an important performance parameter. This is determined by the materials used in the construction of the batteries and by their design.

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