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Item #:
117605575
DALY BMS 21S 72V 20A Li-ion Battery Protection Module PCB Protection Board with Balance Leads Wires BMS for Lithium 18650 Battery Pack
Item #:
117605575
USD 46
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*All items will import from US
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Order now and get it around Thursday, July 30
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DALY BMS maximizes lithium battery performance and extends battery lifetime.
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What Stands Out
Advanced Protection
Ensures optimal safety with overcharge, over-discharge, and short-circuit protection, safeguarding your lithium battery investment and enhancing longevity.
Balance Charging
Features balance leads for even charging of cells, promoting battery efficiency and performance, extending the overall lifespan of the battery pack.
Versatile Compatibility
Designed for 18650 lithium batteries, the module's adaptable design allows integration into various battery configurations, serving a broad range of applications from DIY projects to electric vehicles.
Product Details
| Item Weight | 1 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?
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DIY Battery Builders
Ideal for enthusiasts assembling lithium battery packs who need reliable overcharge and discharge protection.
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Electric Bike Owners
Great for electric bike enthusiasts seeking to protect and enhance battery lifespan with superior management features.
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Renewable Energy Users
Perfect for solar energy systems requiring efficient management of lithium batteries for optimal performance.
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Beginner Users
Not suitable for those unfamiliar with electronics or battery management systems, as setup may be complex.
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High-Current Applications
Not ideal for heavy-duty applications exceeding 20A, as it could lead to overheating or damage.
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LiPo Battery Users
This BMS is not designed for lithium polymer batteries, limiting its use to specific lithium-ion applications.
Product Description
DALY BMS 21S 72V 20A Li-ion Battery Protection Module PCB Protection Board with Balance Leads Wires BMS for Lithium 18650 Battery Pack
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the DALY BMS 21S 72V 20A Li-ion Battery Protection Module?
Answer: The DALY BMS 21S 72V 20A is a Battery Management System designed for lithium-ion batteries, specifically for a 21-series configuration, typically used with 18650 cells. It ensures the safety and efficiency of the battery pack by monitoring voltage and temperature, balancing cells, and preventing overcharging or deep discharging. With built-in balance leads, this module helps maintain optimal performance across all cells in the battery pack, making it ideal for electric vehicles, e-bikes, or solar energy storage systems. -
Question:
How does the balancing function work in this BMS?
Answer: Balancing in the DALY BMS 21S occurs through a voltage monitoring system that detects imbalances between the lithium-ion cells. If one cell's voltage drops significantly lower than others, the BMS redistributes the charge among cells to ensure even energy usage and longevity. This function is crucial for maximizing the lifespan of your battery pack because unbalanced cells can lead to premature failure or reduced capacity, especially significant in applications like electric bikes or tools where reliable performance is needed. -
Question:
What does the '20A' rating signify in this BMS?
Answer: The '20A' rating indicates the maximum continuous current that the DALY BMS can handle without overheating or malfunctioning. This specification is essential for users who plan to power devices that require a substantial current draw, such as scooters or heavy-duty power tools. Selecting a BMS with the appropriate current rating ensures safety and reliability, preventing potential issues such as overheating and extending the effective service life of your battery pack. -
Question:
Can this BMS be used for different types of lithium batteries?
Answer: While the DALY BMS 21S is optimized for 18650 lithium-ion cells, it can technically be integrated with other lithium battery types, provided they share similar voltage and capacity specifications. However, it’s important to note that employing the BMS in incompatible configurations might lead to inefficiencies or safety risks. For applications where different cell types are required, careful monitoring and additional equipment may be necessary to achieve balanced performance. -
Question:
Does this BMS support over-voltage protection?
Answer: Yes, the DALY BMS 21S features over-voltage protection, which prevents the battery cells from exceeding their safe voltage threshold. This is critical for maintaining both performance and safety, as over-voltage can damage cells or lead to hazardous situations. Such protection systems are particularly important in high-performance applications, where fluctuating loads are common, helping ensure that your battery system operates consistently without jeopardizing cell integrity. -
Question:
What are the dimensions and weight of this BMS?
Answer: The DALY BMS 21S is designed to be compact yet effective, typically measuring around 180mm x 90mm x 30mm and weighing approximately 300 grams. These dimensions allow easy integration into various battery packs without taking up much space, making it suitable for different applications such as electric bikes, scooters, or solar setups. Its lightweight nature also contributes to the overall efficiency and portability of the devices it powers. -
Question:
How do you connect the balance leads correctly?
Answer: Connecting the balance leads of the DALY BMS 21S requires attention to detail to ensure proper functionality. Each lead corresponds to a cell in your battery pack; thus, an accurate connection is essential. Follow the provided manual for the correct wiring sequence, ensuring that leads from the BMS align with each cell in the stack. Proper connection helps maintain cell balance and optimizes battery performance during charging and discharging cycles. -
Question:
Is this BMS suitable for solar energy systems?
Answer: Yes, the DALY BMS 21S is quite suitable for solar energy systems that utilize lithium battery packs. Its protective features ensure that the batteries can efficiently store and release energy while preventing damage from overcharging, which can be particularly important during peak sunlight hours. This makes it an excellent choice for solar enthusiasts who wish to optimize their battery pack's performance while ensuring long-term reliability and safety. -
Question:
What happens if the BMS overheats?
Answer: If the DALY BMS 21S begins to overheat, it is designed to trigger automatic protection protocols. This includes disconnecting the battery from the load or charger to prevent damage. Overheating can typically occur due to excessive current draw or inadequate ventilation around the BMS. Ensuring proper installation in a cool, ventilated area can significantly reduce overheating risks and contribute to the longevity of both the BMS and the connected battery pack. -
Question:
Where can I buy the DALY BMS 21S 72V 20A Li-ion Battery Protection Module in Palau?
Answer: You can purchase the DALY BMS 21S 72V 20A Li-ion Battery Protection Module at Ubuy. They offer a range of electronic components, ensuring you can find this specific battery management system along with other necessary parts for your project. Ubuy provides a convenient shopping experience, making it simple for you to equip yourself with quality components tailored to your needs.
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USD 46
Order now and get it around Thursday, July 30
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Features & Benefits
- Optimizes performance of lithium batteries.
- Extends battery lifetime significantly.
- Provides double protection with patented technology.
- Features waterproof, dustproof, shockproof, and anti-static design.
- Easy installation for effortless electrical connections.
- Includes comprehensive customer support and technical assistance.