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√ Over 17 years PCBA/PCB assembly experience
√ One-stop PCB assembly service
√ More than 150 PCBA equipment and 20 PCB assembly lines
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IBE BMS PCB assembly service

Increased global climate and environmental degradation has propelled the emergence of new energy vehicles, which has led to the development of the lithium battery industry. Among them, the battery management system, as an important guarantee for the normal operation of the battery pack, has received more attention in the industry. Our company IBE has been providing one-stop PCBA service for BMS manufacturing companies for a long time and has been recognized and praised.

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Delivery on time

With its own workshop of 70,000 square meters, the monthly production capacity of PCB reaches 100,000 square meters, which can meet all orders from samples to batches.

Provided the service of manufacturing high-difficulty boards

Specializing in mass production of various high-difficulty, high-precision density circuit boards, the products cover consumer electronics, industrial control, medical equipment, military, automotive electronics, communications and other fields.

Quality Assurance

We have complete ISO9001, ISO13485, ISO14001, IATF 16949, UL and other system certifications, and our products meet environmental protection requirements.

Professional customer service team

We have a complete and user-friendly pre-sales and post-sales management system, which can quickly and comprehensively respond to the individual needs of customers, and provide customers with technical support, production operations and order services 24 hours a day.

BMS PCBA – battery management system PCB assembly

With the continuous development of new energy, there are more and more electric vehicles, and the main source of electric vehicle power is the battery. At present, pure electric vehicles are all lithium-ion batteries, in order to enable lithium-ion batteries to have a better working environment and state, so, in the electric vehicle power battery, there is a special system to serve the lithium battery – Battery Management System, referred to as BMS.In the following article, we will get to know together what is BMS and the important part of BMS – BMS PCB.

What is BMS PCB?

What-is-BMS-PCBBMS PCB is short form for “Battery Management System.” It’s a device that monitors the state of your battery and takes care of charging it up when it needs to be charged, and also discharging it when it’s time to do so. This prevents your battery from running down too much, which could potentially damage it.

In short, this system monitors and controls the charging, discharging and condition of a battery. It also protects the battery from overcharging and undercharging. The main purpose of having a BMS-enabled battery is to make sure that the battery will last longer than it would without it. A BMS PCB helps in maximizing the lifetime of the battery by reducing its self-discharge rate, improving its cycle life, increasing its capacity and maintaining its specifications such as voltage and temperature limits.

What’s the difference between PCM and BMS?

PCM(Power Control Module) is the “core” of Lithium battery PCB or the 18650 PCB. It safeguards the 18650-battery pack from factors such as overcharging or over-discharging. So, it should be utilized in order to prevent the lithium battery PCB from hazards.

PCM also protects devices from power surges, lightning strikes and other voltage transients. It incorporates a number of safeguards to ensure that no damage is caused by these events.

The module consists of several components:

● The power supply which provides power to the module and carries its voltages.

● A protection diode which provides protection for the module’s internal circuitry from the external environment

● A fuse which protects against overloading or short circuits

Whereas BMS PCBs are computerized systems that monitor and manage the status of onboard batteries.

What are the types of BMS PCB?

What-are-the-types-of-BMS-PCBIn the world of BMS PCB, there are two main types: centralized and decentralized.

Centralized BMS PCB:

This type is more common because these PCBs are cheaper and easier to develop. They have one master controller that manages all of the batteries. This makes it easy to integrate with existing systems and processes, but it also means that if something does go wrong, it’s likely to be a large-scale problem.

Decentralized BMS PCB:

The opposite of centralized BMS, decentralized BMSs are more expensive to set up but can handle more complex tasks with greater flexibility.

What are the function and applications of BMS PCB?

BMS PCB has many applications in automotive applications such as hybrid vehicles, electric vehicles and stationary energy storage systems.

Nowadays, BMS PCB is a critical component of electric vehicles. The BMS circuit board can be used to monitor and manage the charge state of individual cells in an electric vehicle’s battery pack. The BMS PCB also controls when to discharge the cells, which helps ensure that the battery pack has sufficient charge in it to power the vehicle when needed.
What-are-the-function-and-applications-of-BMS-PCBBMS PCBs are designed to protect electrical systems from damage caused by excessive battery charging and discharging. This can include over-heating, over-discharging, and over-current conditions. In addition, they can manage battery degradation by adjusting the rate at which energy is consumed during recharging.

The advantages of using a BMS PCBs include:

● Less maintenance required on each battery pack

● Increased range for electric vehicles

● Improved charging efficiency for electric vehicles

What are the manufacturing features of BMS PCB?

BMS circuits are often integrated with subsystems to monitor and charge the battery, as well as provide a system for reporting voltage, current, temperature, and other data about the battery. The BMS circuit board contains several components that work together to control the voltage, current, temperature, and power of a battery.

The BMS can be divided into two main parts:

● Battery management unit (BMU)

● Battery charger

How to select substrates for BMS PCB?

Selecting substrates for a BMS PCB is an important step in ensuring that the system will be safe and reliable. There are many different substrates that can be used to make batteries, but the most common choices are lead-acid and lithium-ion.

The first thing to consider when selecting a substrate is how much power it will need to store. Lead-acid batteries are used for smaller applications and require less power than lithium-ion batteries. They also have a longer lifespan, which makes them a good option for applications where you want your BMS PCB to last for many years.

Lithium-ion batteries or the 18650 PCBs require more power than lead-acid batteries, but they have longer lifespans and can provide more energy storage in the same amount of space. A lithium battery has a higher voltage than an equivalent lead acid battery does, but this makes them more dangerous because they could burst open if left unattended.

What is the composition of BMS circuit?

What-is-the-composition-of-BMS-circuitThe composition is a set of software, hardware and procedures that are designed to manage battery systems. The BMS circuit is designed to provide an interface between the battery and the electronic devices in which it is used. It relieves the user from the responsibility for managing their battery. The BMS circuit is composed of two components: Battery Management Unit (BMU) and Control Unit (CU).

How are BMS PCB made in factory?

BMS PCB is made in factories by combining different components and systems.

The BMS circuit consists of:

● Battery banks

● Battery chargers

● Charging controllers, which are used to control the charging voltage. They also have a function of monitoring the battery temperature, charging current, voltage and so on.

● Regulators, which are used to adjust the charging current to any specific amount required by each battery bank. Regulators also monitor the battery temperature during charging process.

● Electronic circuit boards, which are used to monitor and display data related to the battery temperature during charging process and so on.

How does the BMS PCB work? The role of BMS circuit in lithium battery?

How-does-the-BMS-PCB-work-The-role-of-BMS-circuit-in-lithium-batteryThe BMS circuit is the control center of a lithium battery. It monitors the voltage and current levels of the battery and sends signals to other parts of the system when necessary.

The basic function of a BMS circuit board is to manage the flow of energy in a battery pack. In lithium-ion batteries, this is done through an electronic circuit that monitors and controls the charging and discharging of cells.

The BMS circuit uses software and firmware to monitor the health of a battery pack, as well as its individual cells. For example, it can monitor voltage, temperature, current draw, or other parameters to determine whether a cell has failed or is about to fail. It can also send commands to control cells remotely if it detects that one cell is about to fail or has already failed.

What are the key factors which affect the quality of BMS PCB?

The key factors are:

● The type of battery you are using, i.e. lead-acid, nickel cadmium and so on.

● The amount of energy you need to store in your battery.

● The amount of time it takes you to charge or discharge your battery.

● If you want a backup power source in case of emergencies, then make sure that your system is compatible with it.

How to evaluate the quality of BMS PCB?

The BMS PCB is a very important part of your batteries. It ensures that your battery keeps working properly so that you can use it safely and reliably.There are a few things you should know about how to evaluate the quality of your BMS PCBs:

● The first thing to look at is whether or not your battery has been replaced recently. If it has, then this might be an indication that there’s something wrong with it and you should take it in for repairs.

● You can also check if there are any signs of corrosion on your battery terminals or connectors by simply looking for any rust or corrosion around them. If there is, then this could be an indication that either the battery itself or one of its components has become damaged over time and needs replacing.

● Another way to check if there’s anything wrong with your battery is by checking out its fluid levels. This will tell you if there are any leaks coming from inside which could be causing damage to other parts inside.

Considerations when choosing BMS PCB manufacturer

When choosing the manufacturer of your battery management system, there are a few considerations you should keep in mind.

● First and foremost, you want to make sure that the manufacturer has a strong track record. You want to ensure that they have been in business for a while, so they can provide you with quality products and services.

● Next comes cost. While some companies charge more than others due to their higher-quality products or service offerings, it’s important to remember that price isn’t everything. The other factors are quality, dependability and longevity.

● Finally comes experience working with this particular manufacturer in the past how did they handle things? Were there any delays in delivery or communication? What kind of customer support did they offer once an issue arose? These are all things that can help determine whether or not this particular company will satisfy your needs.

FAQs about BMS PCB


What is a BMS PCB?

A battery management system is a computer-controlled device that monitors, maintains, and measures the charged state of a battery. It can also start or stop charging and discharge the battery.

The BMS PCB receives information about the state of the battery from sensors in the BMS circuit. This information allows it to control charging and discharging, keeping the battery at an optimal state. The BMS PCB also has built-in diagnostics so that if something goes wrong with the charging system, it will alert you so you can troubleshoot and fix it.

How do I know if my battery is no good?

If your car has a battery management system, it uses an indicator light to let you know when it’s time to get the car serviced. If it’s yellow, that means there’s a problem. If it’s orange, that means you should get the car serviced soon. If it’s red, then you need to replace your battery and get your car serviced immediately.

Why do I need a BMS PCB?

A battery management system is necessary for any type of electric vehicle, from cars to trucks to boats to planes. Without it, you risk having your vehicle shut down because you’re low on power or overheated or both! A BMS circuit board will keep your vehicle running safely, even in extreme conditions like heat or cold weather that would otherwise damage your battery.

What is the difference between BMS PCB and Standard PCB?

What-is-the-difference-between-BMS-PCB-and-Standard-PCBA BMS PCB is a device that monitors the health of your battery. It provides information to keep you informed of how long the battery will last, whether it’s running low, and how quickly it can be charged.

A standard PCB is a board with electronic components on it, which can be used for any type of electronic device or equipment. They are usually made from metal, plastic or composite materials.

What is the cost of BMS PCB?

The cost of this system can vary from $300 to $10,000, depending upon the quality of the system.

How to repair a BMS PCB?

Repairing a BMS PCB can be a tricky and time-consuming process. The process begins by removing the old BMS circuit board and replacing it with a new one. This is not only necessary to ensure that your battery will function properly, but it also helps keep your battery safe from damage and corrosion.

After replacing the old BMS circuit, you’ll need to install an electrical connection between the new one and your previous electrical system. This will ensure that power flows properly throughout your electrical system. If something goes wrong, this video will help you repair it quickly so that you can get it to work as soon as possible!

What are the limitations of BMS PCB?

The main limitation is that they only work in specific environments. For instance, they can’t be used in areas where there are high levels of humidity or extreme temperatures.

They also don’t work without power, so they can’t be used on their own. Plus they cannot tell you how much time is left in your charge until the battery is depleted.


Although BMS sounds like a very small system, but the importance of the electric vehicle power battery pack is very high, to control the safety, efficiency and many other driving factors, so BMS is a very important part of the lithium-ion battery. In the new energy pure electric vehicle development more and more rapid stage, BMS PCB determines whether the BMS can play a maximum role, thus affecting the quality of lithium batteries and electric vehicles. If you are looking for a manufacturer who can assemble BMS PCB, you can take a look at our IBE homepage.