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Item #:
25884511
Comimark 2Pcs 2S 8A 7.4V Balance 18650 Li-ion Lithium Battery BMS Charger Protection Board
Item #:
25884511
ETB 2138
Price Details
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Imported from USA store
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Order now and get it around Monday, June 29
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High-quality protection board for safe charging and discharging of lithium batteries.
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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
Dual Protection Boards
Includes two BMS protection boards, ensuring optimal safety and performance for 18650 lithium batteries. Prevents overcharging and discharging, enhancing battery longevity and reliability for users.
High Current Capacity
Rated at 8A, this BMS is capable of handling high current loads, making it ideal for performance-intensive applications while maintaining safe operating conditions for 7.4V battery setups.
Versatile Compatibility
Designed for 18650 lithium cells, this protection board is versatile, accommodating various battery configurations. It provides a dependable solution for hobbyists and professionals needing efficient energy management.
Product Details
| Item Weight | 0.5 lbs (230 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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Hobbyist Builders
Ideal for DIY electronics projects with lithium batteries, ensuring safe operation and effective balancing.
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Electric Bike Users
Perfect for electric bikes using 18650 lithium batteries, providing essential protection and charging capabilities.
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Home Battery Packs
Great for anyone assembling home battery storage systems, supporting efficient energy management and safety.
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Novice Users
Not suitable for those unfamiliar with electronics, as installation and wiring can be complicated.
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High Power Needs
Not ideal for applications requiring high discharge rates beyond 8A, potentially leading to performance issues.
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Budget Shoppers
May not be the best choice for users seeking inexpensive alternatives, as it focuses on quality protection features.
Product Description
Comimark 2Pcs 2S 8A 7.4V Balance 18650 Li-ion Lithium Battery BMS Charger Protection Board
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Customer Questions & Answers
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Question:
What does the Comimark 2Pcs 2S 8A 7.4V Balance BMS do?
Answer: The Comimark BMS (Battery Management System) is designed to provide protection for 18650 Li-ion batteries. It ensures that the cells are charged and discharged safely, balancing each battery's charge level to prolong their lifespan. This is essential for maintaining battery integrity during operations, preventing overcharging and over-discharging, which can cause cell damage or failure. -
Question:
How do I install the Comimark BMS on my battery pack?
Answer: To install the Comimark BMS, connect the 'B' terminals to the respective battery cells, ensuring proper polarity. The 'P' terminals connect to the device or load you’re powering. Once installed, it manages charging effectively and balances each cell. For safety, always double-check connections before powering on. This setup is ideal for DIY battery packs for e-bikes or RC devices. -
Question:
What type of batteries is compatible with this BMS?
Answer: The Comimark BMS is compatible specifically with 18650 Li-ion lithium battery cells configured in a 2S (2 series) arrangement. This means it can handle two cells in series totaling a nominal voltage of 7.4V. Ensuring compatibility is crucial for optimal performance and safety, making it perfect for small electronic devices, drones, or robotic projects. -
Question:
What is the maximum current output of the Comimark BMS?
Answer: The Comimark BMS can handle a maximum current output of 8A. This makes it suitable for applications that require moderate power usage, such as electric bicycles or drone battery packs. Exceeding this current can lead to overheating or damage, so it's crucial to remain within this limit to ensure the BMS and battery cells function correctly and safely. -
Question:
Does the BMS support charging and discharging simultaneously?
Answer: Yes, the Comimark BMS supports simultaneous charging and discharging, a feature beneficial for applications requiring real-time battery usage while charging. This capability is particularly useful in consumer electronics where the device needs to operate continuously, such as in electric scooters or during lengthy drone flights. However, optimal performance is achieved when charging is done under the manufacturer's guidelines. -
Question:
Is this BMS designed for specific environments?
Answer: The Comimark BMS is generally designed for indoor use, but it can function in various environments as long as it is kept within temperature ranges of -20°C to 60°C. Extreme temperatures or humidity can affect performance. Thus, using it in controlled environments ensures longevity and functionality, particularly in hobby electronics or portable devices. -
Question:
How do I measure the performance of this BMS?
Answer: To measure the performance of the Comimark BMS, monitor output voltage and current during operation using a multimeter. Additionally, check for cell balance after several cycles using a battery management app or dedicated battery tester. Regular checks help identify potential issues early, ensuring devices such as RC cars or battery banks operate efficiently and safely. -
Question:
What safety features does the Comimark BMS include?
Answer: The Comimark BMS includes several safety features such as overcharge protection, over-discharge protection, and short-circuit protection. These features are vital for preventing potential hazards associated with Li-ion batteries, making it a reliable choice for hobby projects or devices like electric skateboards where safety is paramount. -
Question:
Can I use this BMS for other battery configurations?
Answer: No, the Comimark BMS is designed specifically for a 2S configuration (2 cells in series). It cannot be used for different setups like 3S or higher configurations without risking damage to the system. Ensuring the right BMS type for your specific battery configuration is important for safe and reliable operation in applications such as portable power banks or custom battery packs. -
Question:
Where can I buy the Comimark 2Pcs 2S 8A 7.4V Balance 18650 Li-ion Lithium Battery BMS Charger Protection Board?
Answer: You can purchase the Comimark 2Pcs 2S 8A 7.4V Balance 18650 Li-ion Lithium Battery BMS Charger Protection Board on Ubuy. Ubuy provides a convenient shopping experience with international shipping options, making it easy to obtain this product regardless of your location. Ensure to check the availability in your region for a smooth purchasing process.
Comimark Single Board Computers Editorial Review
The Comimark 2Pcs 2S 8A 7.4V Balance 18650 Li-ion Lithium Battery BMS Charger Protection Board has received mixed reviews. Some customers have reported issues with the P+/P- and input/output, with no overcharge protection. This could be potentially dangerous when batteries reach 4.58V. However, others have found that the boards work as advertised and are suitable for battery replacement projects. The quality is good, but it is worth noting that the boards are shipped as one PCB and need to be separated.
Customer Reviews & Ratings
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Pros
- Controls charging and balance well
- Suitable for battery replacement projects
- Good quality
Cons
- Issues with P+/P- and input/output
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.
ETB 2138
Order now and get it around Monday, June 29
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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