- Home Page /
- Electronics /
- Household Batteries, Chargers & Accessories /
- Battery Chargers /
- 4pcs 4S 40A Li-ion Lithium Battery 18650 Charger PCB BM...
0 ratings
Item #:
72501963
4pcs 4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board with Balance for Drill Motor 14.8V 16.8V Lipo Cell Module
Item #:
72501963
XCD 36
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Thursday, August 06
Secured transaction
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.
Our Top Logistics Partners
High Quality; Compact size and lightweight; High-accuracy voltage detection circuit; fine workmanship and durable; stable performance.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Enhanced Safety
Equipped with advanced BMS for optimal protection against overcharging, over-discharging, and short circuits, ensuring the longevity and safe use of your lithium-ion batteries.
Efficient Balancing
Features integrated balancing capabilities that maintain even charge across cells, maximizing battery performance and lifespan while supporting higher efficiency during use.
Wide Compatibility
Designed to work seamlessly with various 18650 lithium cells, ideal for applications like drill motors, offering versatility and adaptability for different power needs.
Product Details
| Output Voltage | 17 Volts (DC) |
| Input Voltage | 16.8 Volts |
| Current Rating | 40 Amps |
| Amperage | 40 Amps |
| Connector Type Used on Cable | Custom Wiring Connector |
| Item Dimensions D x W x H | 1.77"D x 0.16"H (4.5 cm) |
| Specification Met | CE, FCC, UL |
| Brand | D-FLIFE |
| UPC | 701715473812 |
| Manufacturer | D-FLIFE |
| Color | Green |
| Product Dimensions (L x W x H) | 1.77"D x 0.16"H (4.5 cm) |
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?
-
Electric Tool Users
Ideal for users who need reliable battery management in power tools like drills and saws.
-
DIY Enthusiasts
Perfect for hobbyists building battery packs for personal electronic projects requiring lithium-ion cells.
-
Battery Projects
Suitable for educational and experimental purposes related to battery technology and renewable energy systems.
-
Non-Tech Users
Not ideal for those lacking technical knowledge about battery management systems and electronic components.
Product Description
4pcs 4S 40A Li-ion Lithium Battery 18650 Charger PCB BMS Protection Board with Balance for Drill Motor 14.8V 16.8V Lipo Cell Module
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the purpose of the BMS protection board in the 4pcs 4S 40A Li-ion Lithium Battery Charger?
Answer: The BMS (Battery Management System) protection board is crucial for ensuring the safe operation of Li-ion batteries. It monitors each cell's voltage, protects against overcharging and over-discharging, and balances the charge among the cells. This ensures the longevity of your battery pack and prevents hazards such as overheating or swelling. When used in applications like drill motors, this added protection is vital for maintaining efficiency and enhancing performance. -
Question:
What are the specifications of the 4pcs 4S 40A BMS protection board?
Answer: The 4pcs 4S 40A BMS protection board is designed for use with 14.8V to 16.8V Li-ion cell modules. It supports a continuous discharge current of 40A, making it suitable for high-demand applications, such as power tools and electric vehicles. Additionally, its balancing feature ensures that each cell operates optimally, enhancing the overall performance of the battery system. Users can rely on it for demanding tasks without the risk of battery damage or inefficiency. -
Question:
Can I use this BMS protection board with non-Lithium batteries?
Answer: No, this BMS protection board is specifically designed for Li-ion and 18650 Lithium batteries. Using it with non-Lithium battery types could lead to improper functioning, battery damage, or potential safety hazards. It is essential to match the BMS specifications with the battery chemistry, especially in applications that require precise voltage and current management. Always verify the compatibility to ensure safe and effective operation. -
Question:
What applications can benefit from the 4pcs 4S 40A Battery Protection Board?
Answer: This battery protection board is versatile and ideally suited for various applications, including electric power tools, drones, and electric vehicles. For example, in a cordless drill, it helps maximize battery life and efficiency by preventing overuse. Additionally, in RC vehicles, the balance capability ensures stable performance during operation. Its flexibility makes it a valuable component in any project utilizing Li-ion batteries. -
Question:
How does the balancing feature of this BMS work?
Answer: The balancing feature of the BMS ensures that each cell in the battery pack maintains an equal voltage level during the charging process. This is achieved by redistributing the charge among the cells when discrepancies are detected. Such balancing prevents any single cell from becoming overcharged or discharged, which can lead to reduced battery life and efficiency. In practical terms, this feature is crucial in applications where stable power output is essential, such as in professional power tools. -
Question:
What does it mean that the board supports 40A discharge current?
Answer: The 40A discharge current rating means that the BMS can safely handle a continuous output of up to 40 amps, making it suitable for high-power devices. This ensures that your tools or vehicles perform efficiently without the risk of overheating or damaging the battery pack due to excessive currents. Applications that require high performance, such as electric drills or RC racing cars, will benefit significantly from this feature, providing reliable power when needed most. -
Question:
How do I connect the protection board to my battery cells?
Answer: Connecting the BMS protection board to your battery cells involves a straightforward wiring process, where each cell connects to the corresponding terminal on the board. It's important to follow the provided wiring diagram carefully, ensuring correct polarity and order of the cells to avoid malfunctions. This setup ensures proper monitoring and protection. When configured correctly, the board will not only protect the cells but also enhance their usability in various applications. -
Question:
Is the BMS board suitable for DIY electric vehicle projects?
Answer: Yes, the 4pcs 4S 40A BMS protection board is an excellent choice for DIY electric vehicle projects. Its compact design and robust specifications allow for integration into many electric vehicle systems, providing essential monitoring and protection for the battery pack. Whether you are building a small electric bike or a custom electric car, this BMS can help ensure safety and efficiency, making your project more reliable and enjoyable. -
Question:
What features should I look for when purchasing a BMS protection board?
Answer: When purchasing a BMS protection board, consider features such as the number of cells it supports, maximum discharge current, balancing capability, and temperature protection. These factors determine the board's suitability for your application and its ability to prolong battery life. Additionally, look for a design that complies with safety standards and ensures reliable performance. Research and reviews can help identify boards that have successfully met user expectations in similar applications. -
Question:
Where can I buy the 4pcs 4S 40A Li-ion Lithium Battery Charger PCB BMS Protection Board?
Answer: You can purchase the 4pcs 4S 40A Li-ion Lithium Battery Charger PCB BMS Protection Board with Balance at Ubuy. They offer a wide selection of electronic components and related products. Ubuy provides convenient options for users in Saint Lucia, making it easy to access this essential tool for your battery management needs.
D-FLIFE Battery Chargers Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“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
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“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
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
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.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
XCD 36
Order now and get it around Thursday, August 06
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.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- High Quality
- Compact size and lightweight
- High-accuracy voltage detection circuit
- Fine workmanship and durable
- Stable performance
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.