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Mico LeeFortunately, In the face of anomalies with our former suppliers, We discovered this factory engaged in the research, Development, And production of lithium battery management systems. Even under the pressure of a highly constricted delivery timeline, They not only guaranteed the product quality but also offered a price that fell well within a reaso
Custom 3S-24S Smart BMS for LiFePO4 Li-ion Batteries with Bluetooth

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xProduct Details
Base Material | FR-4 | Copper Thickness | 0.5-4oz/1oz /2oz Or Custom |
---|---|---|---|
Board Thickness | 0.2-6mm | Min. Hole Size | T/2mm/0.2mm/0.15mm Or Custom |
Min. Line Width | 0.15mm/0.11mm Or Custom | Min. Line Spacing | 0.15mm/0.11mm Or Custom |
Surface Finishing | HASL Lead Free | Number Of Strings | 1-24S Custom |
Voltage | 36V/48V/60V Custom | Applicable Battery | LiFePO4,Li-ion 18650 Bluetooth |
Balance Function | Yes | Temp Sensor | Yes |
BT Function | Yes | Size | 34*17.5mm |
Customize Current | 10A-200A | ||
Highlight | Custom 3S-24S BMS for LiFePO4 batteries,Smart BMS with Bluetooth monitoring,Customized BMS for Li-ion batteries |
Product Description
KLS 2S 3S 4S Smart Software Board Battery Management System
Product Specifications
Attribute | Value |
---|---|
Base Material | FR-4 |
Copper Thickness | 0.5-4oz/1oz /2oz or custom |
Board Thickness | 0.2-6mm |
Min. Hole Size | T/2mm/0.2mm/0.15mm or Custom |
Min. Line Width | 0.15mm/0.11mm or Custom |
Min. Line Spacing | 0.15mm/0.11mm or Custom |
Surface Finishing | HASL Lead Free |
Product Name | Intelligent software BMS |
Number of Strings | 1-24S Custom |
Voltage | 36V/48V/60V Custom |
Applicable Battery | LiFePO4, Li-ion 18650 Bluetooth |
Application Field | Low speed four wheel vehicle |
Certifications | CE, FCC, ISO, ROHS, EPR |
Sample/OEM/ODM | Yes |
Balance Function | Yes |
Temp Sensor | Yes |
BT Function | Yes |
Product Details
Model: KLS-438
Size: 34*17.5mm
Version: Common port for charge/discharge
Custom Current: 10A-200A
Customization: Any PCB from 3S-24S lithium batteries with different current
MOQ: 1pcs
Packaging: bubble bag/box
Size: 34*17.5mm
Version: Common port for charge/discharge
Custom Current: 10A-200A
Customization: Any PCB from 3S-24S lithium batteries with different current
MOQ: 1pcs
Packaging: bubble bag/box








Frequently Asked Questions
Q1: What certifications do your BMS/protection boards hold for global compliance?
A: Our products comply with CE, RoHS, and UL standards. Custom certifications are available for OEM/ODM projects. Full documentation ensures seamless market entry.
Q2: Can you customize BMS parameters for LiFePO4, NMC, or other battery types?
A: Yes. Provide voltage range (e.g., 12V-72V), cell configuration, discharge current (up to 300A), and communication needs (CAN/RS485/Bluetooth...) for tailored solutions.
Q3: How does your BMS prevent critical failures like overcharge or short circuits?
A: Multi-layer protection includes:
- ±25mV voltage balancing accuracy
- Ultra-low impedance MOSFETs for precise current control
- Real-time temperature monitoring via NTC sensors
- SOC/SOH tracking with industrial-grade ICs
Q4: What is your minimum order quantity and lead time?
A: Standard MOQ: 1 units (3-7 days). Bulk orders (10,000+ units) qualify for 10-day expedited production and volume discounts.
Q5: Do you offer waterproof BMS for EVs or marine applications?
A: Yes. Feature wide-temperature operation (-40°C to +85°C), vibration resistance, and automotive-grade connectors. Custom sealing options available.
Q6: How to verify compatibility with my existing battery design?
A: Share your requirements such as battery layout (e.g., 4S20P), data and features. Our engineering will specifically evaluate your project and provide free design optimization support.
Q7: What communication protocols do smart BMS support?
A: Standard: CAN BUS, RS485/RS232, Bluetooth with mobile apps. Custom protocols (IoT/cloud integration) and accessories (LCD displays, PC tools) are available.
Q8: Can I request samples and technical documentation?
A: Get samples through "Contact Customer Service" for inquiries and receive partial sample cost credit for bulk purchases. Contact customer service to get the verified general specifications; OEM documents need to be verified credentials.
Q9: What warranty and technical support do you provide?
A: 1-3 years quality guarantee period (please contact customer service for details). For verified cases, critical replacement parts will be shipped within 48 hours.
Q10: How to diagnose potential BMS failures?
A: Check cell voltage consistency (max 1.0V difference). Symptoms like no charge/discharge indicate BMS issues; uneven cell performance suggests battery problems. If you are not clear about any aspect, please contact 24-hour customer service online to provide technical support.
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