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  • JiaBaiDa SP04S020A LiFePO4 Battery Management System 3S 4S 12V 60A 80A 100A 120A Smart BMS with UART
  • JiaBaiDa SP04S020A LiFePO4 Battery Management System 3S 4S 12V 60A 80A 100A 120A Smart BMS with UART
  • JiaBaiDa SP04S020A LiFePO4 Battery Management System 3S 4S 12V 60A 80A 100A 120A Smart BMS with UART
JiaBaiDa SP04S020A LiFePO4 Battery Management System 3S 4S 12V 60A 80A 100A 120A Smart BMS with UART

JiaBaiDa SP04S020A LiFePO4 Battery Management System 3S 4S 12V 60A 80A 100A 120A Smart BMS with UART

$5.00-$38.08/ Piece|100 Piece/Pieces(Min. Order)

Customization:

Customized logo（Min.Order: 50 pieces）
OEM/ODM（Min.Order: 100 pieces）
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JiaBaiDa SP04S020A LiFePO4 Battery Management System 3S 4S 12V 60A 80A 100A 120A Smart BMS with UART

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Smart Battery Management: Designed to monitor and regulate the charging/discharging of LiFePO4 battery packs (3S/4S, 12V), ensuring balanced voltage distribution across cells and preventing overcharge/overdischarge.
  • High-Current Handling: Supports continuous current ratings up to 120A, enabling robust performance in demanding applications like e-bikes, electric vehicles, and industrial equipment.
  • UART Communication Interface: Facilitates real-time data transmission and remote monitoring for seamless integration into larger systems or smart devices.

Key features

  • 1. Material Technology

    • With a corrosion-resistant aluminum frame, ensure reliable heat dissipation and structural integrity compared to plastic-based systems*.

  • 2. Interactive Design

    • With UART communication interface, enable seamless remote monitoring and control, outperforming basic BMS units without this feature*.

  • 3. Performance Parameters

    • With an 80A continuous current rating, support high-power applications like e-bikes and electric vehicles, surpassing standard models with lower current capacities*.

  • 4. Scenario Solutions

    • Designed for both e-bike use and heavy-duty commercial applications, providing versatile solutions for diverse operational needs.

  • 5. Certification Standards

    • With EU certifications (CE, RoHS) and EPR compliance, ensure safety, environmental responsibility, and regulatory adherence across European markets.

Product details

JiaBaiDa SP04S020A LiFePO4 Battery Management System 3S 4S 12V 60A 80A 100A 120A Smart BMS with UART

The JiaBaiDa SP04S020A LiFePO4 Battery Management System (BMS) is a robust solution for 3S/4S lithium-ion battery packs, designed to ensure safe and efficient operation in high-current applications like e-bikes and battery packs. With a 12V nominal voltage and support for currents up to 120A, this BMS combines advanced balancing, real-time monitoring via UART, and certifications like CE and RoHS for global compliance.

Technical specifications

FeatureSpecificationBenefit
MaterialMetal frame with aluminum PCBEnhanced heat dissipation and durability
Current Rating60A–120A adjustableSupports high-power applications (e.g., EVs)
Voltage12V (4S LiFePO4)Optimized for 4-cell series configurations
BalancingActive cell balancingExtends battery lifespan and performance
CommunicationUART interfaceEnables remote monitoring and control
CertificationsCE, RoHS, EU (2015/863), EPR (Germany/France)Ensures regulatory compliance worldwide

Customization guide

Adjustable parameters:

  • Current Rating: Customize between 60A, 80A, 100A, or 120A to match your power requirements.
  • Cell Configuration: Switch between 3S (12.6V) or 4S (16.8V) setups via modular design.
  • Interface Protocol: Adapt UART parameters (e.g., baud rate) for seamless system integration.

Get inspired

Ensure your e-bike or power tool battery pack operates safely under heavy loads. With active cell balancing and real-time monitoring, the JiaBaiDa BMS minimizes risks of overcharging/overdischarging while maximizing energy efficiency.

Choose your model

ParameterBase Model (60A)Advanced Model (80A)Pro Model (120A)
Continuous Current60A+33% (80A)+100% (120A)*
Balancing Speed50mA/cell+20% (60mA/cell)+40% (70mA/cell)
CommunicationUART (9600 bps)UART (115200 bps)UART + CAN bus

Supplier's note

  1. Technical Breakthroughs:

    • The Pro model’s 120A current rating outperforms industry standards by 50%, enabling high-demand applications like electric motorcycles.
    • Enhanced balancing speed (70mA/cell in Pro) reduces charge time by 25% compared to Base.
    • The CAN bus integration in Pro simplifies industrial automation setups, offering 20% faster data transmission than UART alone.

  2. Optimal Version Selection:

    • E-bike manufacturers: Opt for the Advanced Model (80A) to balance cost and performance for mid-range vehicles.
    • Heavy-duty equipment: Choose the Pro Model for its 120A capacity and CAN bus, ideal for construction tools or off-road vehicles.
    • Low-power IoT devices: Base Model (60A) suffices for applications like solar storage systems needing cost-effective reliability.

Example benefit: With the Pro model’s triple-certified chemical resistance (EPR/CE/RoHS), you can safely deploy in harsh outdoor environments while meeting EU compliance requirements.

Frequently asked questions

  • Which lithium BMS model suits e-bike applications with high-power demands?

  • How do I maintain the connectors of a LiFePO4 BMS for reliable operation?

  • Why choose a LiFePO4 BMS over other battery chemistries for safety-critical applications?

  • Can this BMS be customized for non-standard battery configurations?

  • Does the JiaBaiDa BMS meet EU safety certifications for commercial use?

  • What safety features does the 4S LiFePO4 BMS include?

  • How does the UART interface benefit BMS integration in smart systems?

  • Is the JiaBaiDa BMS suitable for high-current applications like electric vehicles?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Industry Standard BMSGeneral consumer electronics, low-power devicesBasic voltage regulation ±0.2V (IEC 61980), passive cell balancing, CE/RoHSCost-effective, widely compatibleLimited to 60A max current, no active balancing (reduces battery lifespan)
Our Base BMS (JiaBaiDa SP04S020A)E-bikes, small EVs, portable battery packs12V nominal (4S LiFePO4), 80A continuous (ISO 16750-2 ▲), active balancing (0.5A discharge ▲), UART (115200 bps)Better current handling than standard, extends battery life with active balancingHigher cost than standard, limited to 4S configurations
Our Advanced BMS (SP04S020A Advanced)Industrial EVs, heavy machinery12V nominal (4S LiFePO4), 120A continuous (ISO 16750-2 ▲▲), enhanced balancing (1A discharge ▲▲), CAN bus (ISO 11898-2)Highest current capacity, fastest balancing, industrial-grade certificationsMost expensive, bulkier design
High-Current Industrial BMSHeavy machinery, power tools150A continuous (ISO 16750-2), robust metal housing (EN 60947), IP67 ratingRugged construction for harsh environmentsNo active balancing, heavier, higher cost
Compact e-Bike BMSE-bikes, portable power stations12V nominal (4S LiFePO4), 60A continuous (IEC 62133), compact PCB (20x10cm ▲)Lightweight (200g ▲), space-saving designLower current capacity, passive balancing only
High-Safety Automotive BMSAutomotive systems, emergency equipment12V nominal (4S LiFePO4), 100A continuous (ISO 6469), UL 2580 certification ▲▲Dual redundant safety circuits, meets automotive standards (60°C cutoff ▲)Complex installation, higher cost

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