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DALY Smart BMS 4S 12V 500A Li-ion PCB Protection Board with Balance Leads, Wires 3.7V Battery Protection Module BMS for 18650 Battery Pack 12V with UARTSmart BMS,500A Fan
DALY BMS maximizes optimizes the lithium battery performance, and extends the battery lifetime to a large extent.
DALY Smart BMS 4S 12V 500A Li-ion PCB Protection Board with Balance Leads, Wires 3.7V Battery Protection Module BMS for 18650 Battery Pack 12V with UARTSmart BMS,500A Fan
Item #: 54904803

DALY Smart BMS 4S 12V 500A Li-ion PCB Protection Board with Balance Leads, Wires 3.7V Battery Protection Module BMS for 18650 Battery Pack 12V with

Item #: 54904803
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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

Bluetooth Connectivity
Seamlessly monitor battery performance via smartphone with Bluetooth connectivity, providing real-time data and alerts for improved management of your energy resources.
High Load Capacity
Supports up to 40A, catering to demanding applications while ensuring safe and efficient charge and discharge, ideal for various lithium battery configurations.
Smart Resetting Program
Innovative resetting program enables automatic system recovery and enhanced battery longevity, addressing common user challenges with convenience and reliability.

Product Details

Shop DALY Smart BMS 4S 12V 500A Li-ion PCB Protection Board with Balance Leads, Wires 3.7V Battery Protection Module BMS for 18650 Battery Pack 12V with UARTSmart BMS,500A Fan online at a best price in Rwanda. B0B8NF4J69
Country of OriginThis item will be imported from US
What is in the boxDALY Smart BMS 4S... For more details, please check description/product details

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
  • DIY Battery Builders

    Ideal for individuals constructing their own lithium battery packs who need advanced management and safety features.

  • Electric Vehicle Enthusiasts

    Perfect for electric vehicle projects needing reliable charge and discharge protection for lithium-ion battery systems.

  • Smart Home Installers

    Useful for integrating battery systems in smart home setups that require effective battery management and monitoring.

Not Suitable For
  • Basic Users

    Not suitable for users seeking simple battery solutions without complex monitoring and management features.

Product Description

DALY Smart BMS 4S 12V 500A Li-ion PCB Protection Board with Balance Leads, Wires 3.7V Battery Protection Module BMS for 18650 Battery Pack 12V with UARTSmart BMS,500A Fan

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Customer Questions & Answers

  • Question: What types of applications can Daly BMS be used for?

    Answer: Daly BMS is suitable for energy storage, electric vehicles, electric tools, electric wheelchairs, AGVs, and forklifts.
  • Question: Can I customize my BMS order?

    Answer: Yes, customizations are available for bulk orders; please contact us for details.
  • Question: What kind of support do you offer after purchase?

    Answer: We provide 24-hour customer service and lifetime technical support for our products.

DALY Power Converters Editorial Review

The DALY Smart BMS Li-ion 4S 12V 500A PCB Battery Management System is a high-quality product for RV Energy Supply Systems. This system has various features like CAN 485 and UART Communication Bluetooth Battery Monitoring Module, and Cooling Fan that make it more convenient to use. The BMS is compatible with LiFePO4 batteries, which makes it versatile to use. The product is well-designed and easy to install. However, a smart charger is recommended to max out the charging capacity of the system. There seems to be a lack of clarity regarding the output voltage, but this doesn't seem to affect the product's functionality. Overall, the DALY Smart BMS Li-ion 4S 12V 500A PCB Battery Management System is a reliable and versatile product that is worth Considering for anyone looking for a quality BMS for their RV Energy Supply System.

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Pros

  • Versatile and compatible with LiFePO4 batteries
  • Convenient features like Bluetooth monitoring
  • Easy to install

Cons

  • Smart charger recommended for max charging capacity

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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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  • 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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