Can You Connect LiFePO4 Batteries in Series? An Expert Guide

12v 24v series-connection

In the diverse world of battery technology, LiFePO4 (Lithium Iron Phosphate) batteries stand out for their stability, safety, and durability. Given these attributes, many tech enthusiasts and professionals consider using these batteries in series to increase the voltage for various applications. This comprehensive guide explores the feasibility, benefits, and considerations of connecting LiFePO4 batteries in series and illustrates how Himax Electronics can optimize your setups.

12v 24v series-connection

Understanding Series Connections of LiFePO4 Batteries

Connecting batteries in series is a common method to increase the voltage output of the battery system while maintaining the same capacity rating in amp-hours (Ah). This practice is crucial for applications requiring higher operational voltages, such as in backup power systems, electric vehicles, and renewable energy applications.

Technical Insights into LiFePO4 Batteries

LiFePO4 batteries offer a distinct set of characteristics:

  • Chemical Stability: They utilize lithium iron phosphate in the cathode, which provides significant thermal and chemical stability compared to other lithium-based batteries.
  • Safety Profile: These batteries are renowned for their superior safety, largely due to their resistance to thermal runaway and lower risk of degradation or explosion under stress.

Advantages of Series Connections with LiFePO4 Batteries

Connecting LiFePO4 batteries in series amplifies these advantages:

  • Higher Voltage Output: By connecting batteries in series, the voltage sums up while the capacity remains the same, allowing for more powerful applications.
  • Energy Efficiency: Systems can operate more efficiently at higher voltages, which can decrease energy losses over long transmission distances, particularly relevant in solar energy systems or electric vehicles.


How to Connect LiFePO4 Batteries in Series

Here’s how to properly connect these batteries in series:

  1. Ensure Compatibility: Check that all batteries in the series have the same voltage and capacity to avoid imbalance.
  2. Use a Battery Management System (BMS): A BMS is crucial for managing the charge and discharge processes, ensuring each battery in the series is equally charged and maintained, which prolongs the life of the battery system.
  3. Secure Connections: Use high-quality, reliable connectors and wiring to ensure stable and secure connections between batteries. Poor connections can lead to inefficiencies and potential hazards.

Safety Considerations

While LiFePO4 batteries are safer than many alternatives, certain precautions should still be observed:

  • Monitoring: Regularly monitor the voltage and health of each battery in the series. Even with a BMS, physical inspections can catch potential issues early.
  • Environment: Keep the batteries in a clean, dry, and temperature-controlled environment to prevent any environmental damage.

Challenges in Series Connection

While connecting LiFePO4 batteries in series offers many benefits, there are challenges that need consideration:

  • Voltage Imbalances: Over time, batteries in series might develop voltage imbalances, which can affect the performance and lifespan of the battery system.
  • Complexity in Maintenance: Maintaining multiple batteries in series can be more complex than managing single batteries or parallel connections.

Himax Electronics’ Role in Enhancing Your Battery Setup

Choosing Himax Electronics for your LiFePO4 battery needs ensures you not only get the best in battery technology but also comprehensive support:

  • a wCustom Solutions: We provide customized battery packs designed for series connections, tailored to meet specific voltage and capacity requirements.
  • Integrated BMS Technology: Our batteries come equipped with sophisticated BMS technology that enhances safety and efficiency, ensuring all batteries in the series function optimally.
  • Expert Support: Our team of experts is available to assist with any technical challenges, offering advice and support to ensure your series connection setup is successful and durable.

How to connect 12V lithium battery in series


Connecting LiFePO4 batteries in series is an effective way to enhance voltage output for various high-power applications. With their robust safety features, longevity, and Himax Electronics’ advanced solutions, setting up a series connection with LiFePO4 batteries can meet the most demanding energy needs. By partnering with Himax Electronics, you ensure that your investment in battery technology is safe, efficient, and tailored to your specific requirements.

For more detailed information on creating an optimal series battery setup or to explore our range of LiFePO4 batteries and additional services, visit Himax Electronics today. Let us power your projects to success with cutting-edge technology and expert guidance.