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DALY BMS 3S 12V 300A Li-ion 3.7V Battery Protection Module PCB Protection Board with Balance Leads Wires BMS for 18650 Battery Pack 12V in Home Energy Storage Inverter(Standard BMS,300A Fan)
DALY BMS maximizes optimizes the lithium battery performance, and extends the battery lifetime to a large extent.
DALY BMS 3S 12V 300A Li-ion 3.7V Battery Protection Module PCB Protection Board with Balance Leads Wires BMS for 18650 Battery Pack 12V in Home Energy Storage Inverter(Standard BMS,300A Fan)
Item #: 91229843

DALY BMS 3S 12V 300A Li-ion 3.7V Battery Protection Module PCB Protection Board with Balance Leads Wires BMS for 18650 Battery Pack 12V in Home

Item #: 91229843

TZS 662098

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DALY BMS maximizes optimizes the lithium battery performance, and extends the battery lifetime to a large extent.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Smart Communication
Equipped with UART communication and Bluetooth monitoring, this BMS offers real-time battery status access, enhancing user experience and allowing seamless integration with smart devices.
High Current Support
Designed for 12V 30A applications, this battery management system efficiently manages high-current loads, making it ideal for demanding setups such as electric vehicles and portable power stations.
Versatile Compatibility
Compatible with 18650 battery packs, this BMS ensures a safe and efficient charging and discharging process, providing peace of mind while maximizing battery lifespan and performance.

Product Details

Shop DALY BMS 3S 12V 300A Li-ion 3.7V Battery Protection Module PCB Protection Board with Balance Leads Wires BMS for 18650 Battery Pack 12V in Home Energy Storage Inverter(Standard BMS,300A Fan) online at a best price in Tanzania. B0B8H4BZPG
Item Weight1 lbs (450 grams)

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Electric Vehicle Enthusiasts

    Ideal for users building custom electric vehicles needing efficient battery management and communication capabilities.

  • Renewable Energy Users

    Perfect for those integrating lithium batteries into solar or wind energy systems requiring reliable monitoring and management.

  • DIY Hobbyists

    Great for individuals building personal battery packs needing advanced functionalities and easy Bluetooth connectivity.

Not Suitable For
  • Commercial Applications

    Not suitable for industrial or heavy commercial operations requiring high-capacity and robust BMS solutions.

  • Non-Technical Users

    May overwhelm users without technical knowledge, as installation and monitoring require basic electronics understanding.

  • Low-Power Needs

    Unsuitable for applications that do not require high current capacity, like simple, low-drain battery setups.

Product Description

DALY BMS 3S 12V 300A Li-ion 3.7V Battery Protection Module PCB Protection Board with Balance Leads Wires BMS for 18650 Battery Pack 12V in Home Energy Storage Inverter(Standard BMS,300A Fan)

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the DALY BMS 3S 12V 300A used for?

    Answer: The DALY BMS 3S 12V 300A is primarily designed to manage and protect Li-ion 18650 battery packs. It ensures optimal performance by regulating voltage levels, preventing overcharging, and providing over-discharge protection. This protection module is essential for maintaining the longevity and safety of your battery pack, especially in home energy systems or electric vehicles. By managing the charging and discharging cycle, it helps in achieving stable energy storage solutions.
  • Question: How does the balance leads function in the DALY BMS?

    Answer: The balance leads in the DALY BMS ensure that each cell within the battery pack charges and discharges evenly. This is crucial because it prevents one cell from becoming overcharged or undercharged compared to others, which can lead to battery damage. In practical use, this feature enhances the overall efficiency and lifespan of your battery system, making it ideal for applications like renewable energy storage or electric bike systems where balanced performance is crucial.
  • Question: Can I use DALY BMS with different types of batteries?

    Answer: The DALY BMS is specifically designed for Li-ion batteries, particularly 18650 cells. While using it with other types of batteries might technically be possible, it is not recommended due to differences in voltage and chemistry. Use with incompatible batteries could compromise safety and performance. Therefore, if you are setting up a battery management system, it’s best to stay within the spec of 18650 Li-ion batteries to ensure optimal performance and safety.
  • Question: What are the key features of the DALY BMS?

    Answer: The DALY BMS 3S 12V 300A features advanced overcharge protection, over-discharge protection, and short-circuit protection. Additionally, it provides balance charging functionality which is vital for maintaining the health of each cell in the battery pack. These features minimize the risk of thermal runaway, ensuring safe operation during use. Users typically find these features beneficial in various applications, including solar power storage systems and electric vehicles, where efficient and safe energy management is essential.
  • Question: Is the DALY BMS suitable for solar energy storage?

    Answer: Yes, the DALY BMS is well-suited for solar energy storage systems. It efficiently manages the charging and discharging of Li-ion batteries that store solar energy, ensuring that batteries operate within safe voltage limits. This capability is crucial for maintaining battery health and maximizing energy capture. Users can rely on this module to enhance the longevity and efficiency of their solar energy systems, making it a favored choice among renewable energy enthusiasts.
  • Question: What are the installation requirements for the DALY BMS?

    Answer: Installing the DALY BMS requires basic knowledge of electronics and battery systems. It should be connected according to the user manual, ensuring correct wiring between the battery cells and BMS. Key components to check include appropriate gauge wires for current ratings and ensuring all connections are secure and well-insulated. Proper installation is critical for maximizing performance and safety, particularly if the BMS is used in high-load applications like electric vehicles.
  • Question: Can I monitor battery performance with the DALY BMS?

    Answer: The DALY BMS does not come with built-in monitoring features, but it can be integrated with external monitoring systems to track battery performance. By connecting external monitors or using compatible smart devices, you can gather real-time data about voltage levels, current, and battery health. This information is useful for optimizing usage and ensuring that the batteries operate efficiently, especially in complex power systems.
  • Question: What precautions should I take when using the DALY BMS?

    Answer: When using the DALY BMS, it's important to ensure proper thermal regulation and ventilation to prevent overheating. Additionally, always follow the manufacturer's specifications for voltage and current limits. Avoid using the BMS in wet or corrosive environments as this could lead to malfunction or hazards. Regularly inspect the module for any signs of wear or damage, particularly after prolonged use, to maintain safety and functionality.
  • Question: How can I troubleshoot issues with the DALY BMS?

    Answer: If you encounter issues with the DALY BMS, start by checking the wiring and connections to ensure they are secure and properly configured. Next, verify that the battery cells are within the specified voltage limits. If problems persist, consult the user manual for diagnostics or consider connecting an external monitor to assess the system's status. For complex issues, it may be beneficial to reach out to support forums or professionals experienced with battery management systems.
  • Question: Where can I buy the DALY BMS 3S 12V 300A in Tanzania?

    Answer: You can conveniently purchase the DALY BMS 3S 12V 300A at Ubuy in Tanzania. Ubuy offers a variety of electronic components, including this specific battery protection module, making it an ideal choice for online shopping. Their platform often features user reviews and ratings, which can assist in making an informed decision for your energy storage needs.

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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