Shenzhen HiMAX Electronics Ltd., through its HiMASSi product line, highlights the pivotal role of Lithium Iron Phosphate chemistry in driving global adoption of reliable and sustainable energy storage solutions.

The global transition towards renewable energy is undeniable. Yet, the intermittent nature of sources like solar and wind power presents a significant challenge: how to store excess energy for use when the sun isn’t shining or the wind isn’t blowing. Enter energy storage systems (ESS), the critical linchpin in the green energy revolution. At the forefront of this essential technology is Lithium Iron Phosphate (LiFePO4 or LFP) battery chemistry, a solution championed by industry leaders like Shenzhen HiMAX Electronics Ltd. for its unparalleled combination of safety, durability, and performance.

For decades, energy storage was dominated by other battery chemistries. However, the search for a safer, more robust, and longer-lasting alternative for large-scale and residential storage has propelled LiFePO4 to the center stage. Unlike other lithium-ion variants, LiFePO4 batteries use iron and phosphate as key cathode materials—elements that are inherently more stable, abundant, and environmentally benign.

So, how exactly is LiFePO4 technology transforming the energy storage landscape?

1. The Unmatched Safety Paradigm

   Safety is the non-negotiable cornerstone of any energy storage system, especially when deployed in homes or commercial buildings. The molecular structure of LiFePO4 batteries is inherently more stable than that of other lithium-ion batteries. They are highly resistant to thermal runaway, a chain reaction that can lead to overheating and potentially fires. This superior thermal and chemical stability drastically reduces operational risks, providing peace of mind for homeowners and businesses alike. This intrinsic safety makes HiMASSi LiFePO4 batteries an exceptionally reliable choice for a wide range of applications.

2. Exceptional Cycle Life: The Long-Term Investment

   The economic viability of an ESS is directly tied to its lifespan. LiFePO4 batteries excel in this domain, typically offering thousands of charge-discharge cycles while maintaining a significant portion of their original capacity. A high-quality LiFePO4 battery, such as those in the HiMASSi range, can last for well over a decade, even with daily use. This exceptional cycle life translates to a lower levelized cost of storage (LCOS)—meaning a lower cost per kWh over the system’s entire lifetime—delivering superior long-term value and a quicker return on investment for end-users.

3. High Performance and Stability

   LiFePO4 batteries provide stable power output and consistent performance throughout their discharge cycle. They maintain a relatively constant voltage, ensuring connected devices and systems operate efficiently until the battery is nearly depleted. Furthermore, they exhibit excellent performance across a wide range of temperatures and have a low self-discharge rate, ensuring stored energy is available when needed most.

4. Environmental and Sustainability Benefits

   Sustainability is at the heart of the renewable energy movement. LiFePO4 chemistry aligns perfectly with this ethos. It is cobalt-free, eliminating the ethical and environmental concerns associated with cobalt mining. The use of iron and phosphate, which are common and readily available materials, also reduces the environmental footprint of production. Additionally, the long lifespan of these batteries means less frequent replacements and, consequently, less waste.

Shenzhen HiMAX Electronics Ltd. and the HiMASSi Advantage

Shenzhen HiMax Electronics Ltd. is committed to leveraging these inherent advantages of LiFePO4 technology through its HiMASSi battery products. The company focuses on engineering advanced battery solutions that meet the rigorous demands of both residential and commercial energy storage. By integrating high-quality LiFePO4 cells with sophisticated Battery Management Systems (BMS), HiMASSi ensures optimal performance, safety, and intelligence. The BMS meticulously monitors and manages key parameters including voltage, current, and temperature, protecting the battery and extending its service life.

HiMASSi LiFePO4 batteries are designed for a diverse array of applications, from integrating with home solar systems to provide energy independence, to serving as backup power for critical infrastructure and supporting off-grid and microgrid projects.

As the world continues to embrace renewable energy, the role of safe, long-lasting, and efficient storage becomes increasingly critical. Lithium Iron Phosphate technology, as embodied by products like HiMASSi batteries from Shenzhen HiMax Electronics Ltd., is not just participating in this transition; it is actively powering it, providing the reliable foundation upon which a sustainable energy future will be built.

About Shenzhen HiMAX Electronics Ltd.:

Shenzhen HiMax Electronics Ltd. is a technology company dedicated to the research, development, and manufacturing of advanced energy storage solutions. Specializing in Lithium Iron Phosphate (LiFePO4) battery technology, its HiMASSi product line is engineered to deliver superior safety, longevity, and performance for a sustainable energy future.

As cities around the world strive to become smarter, greener, and more sustainable, the demand for reliable, clean energy solutions continues to rise. Urban planners and local governments are increasingly turning to renewable technologies to meet environmental targets while enhancing public services. At the heart of this transformation is energy storage — and Shenzhen Himax Electronics Co., Ltd. is leading the charge with its 12.8V 20Ah Lithium Iron Phosphate (LiFePO4) battery.

This advanced battery solution is specifically engineered for solar-powered bus shelters — structures that do more than simply offer a place to wait. With the integration of Himax’s robust and high-performance LiFePO4 battery, these shelters are now capable of delivering dependable LED lighting and free USB charging for commuters, even during overcast weather or nighttime hours. By enabling consistent and efficient power from renewable sources, Himax is helping cities modernize their infrastructure in an eco-conscious and cost-effective way.

The Growing Demand for Solar-Powered Transit Shelters

In recent years, solar-powered bus shelters have emerged as a vital component of modern urban landscapes. As municipalities aim to lower carbon emissions and promote energy efficiency, these structures provide an elegant solution: they offer shelter from the elements, improve street-level aesthetics, and harness the sun’s energy to power lighting and charging stations.

However, one of the biggest challenges in implementing solar bus shelters is ensuring reliable power storage and distribution — especially during periods of low sunlight or high usage. Without an effective energy storage system, the functionality of these shelters can be compromised, leading to dark waiting areas and unavailable charging ports. That’s where Himax’s 12.8V 20Ah LiFePO4 battery comes in, designed to ensure uninterrupted power supply in varying environmental conditions.

What Makes LiFePO4 the Ideal Battery Technology?

Lithium Iron Phosphate (LiFePO4) is widely regarded as one of the safest and most efficient lithium battery chemistries available today, making it especially suitable for public infrastructure applications. Compared to conventional lead-acid batteries or other lithium chemistries, LiFePO4 offers a superior balance of performance, safety, and longevity.

Himax’s 12.8V 20Ah battery exemplifies these benefits:

Extended Lifespan: With more than 2000–5000 charge and discharge cycles, the battery provides many years of reliable operation, dramatically outlasting traditional lead-acid batteries which often require replacement every 1–2 years.

High Energy Efficiency: The battery boasts a discharge efficiency exceeding 95%, ensuring minimal energy is wasted and maximum solar energy is converted into usable power.

Unmatched Safety: LiFePO4 chemistry is thermally and chemically stable, making it resistant to overheating, combustion, or explosion — a crucial feature for equipment installed in public spaces.

Compact and Lightweight: Up to 50% lighter than comparable lead-acid batteries, Himax’s battery reduces the complexity and labor costs of installation, while also freeing up valuable space inside enclosures.

Engineered for Smart, Self-Sufficient Bus Shelters

Himax’s 12.8V 20Ah LiFePO4 battery has been purpose-built to meet the demanding energy requirements of solar-powered bus shelters. With a practical balance between voltage, capacity, and size, the battery enables continuous power supply for a range of essential services.

Reliable Lighting: It can power 10W to 15W LED lighting systems for over 12 hours, ensuring that shelters remain well-lit from dusk until dawn, enhancing both visibility and public safety.

Convenient USB Charging: The battery supports multiple USB charging ports, allowing commuters to charge smartphones, tablets, and other devices while waiting — an increasingly expected amenity in modern urban environments.

Rapid Solar Recharge: Fully compatible with 100W to 200W solar panels, the battery charges quickly, even under partially cloudy conditions, ensuring readiness for consistent daily operation.

All-Weather Durability: Operating effectively in temperatures ranging from -20°C to 60°C, the battery is suitable for installation in diverse geographic regions, from frigid winters to scorching summers.

Benefits for Cities, Operators, and Commuters

The adoption of Himax’s LiFePO4 battery brings multiple tangible benefits to cities and transit operators — and an improved experience for daily commuters.

Reduced Energy Costs: By harnessing solar energy and minimizing grid dependency, municipalities can significantly cut electricity expenses over time.

Lower Maintenance and Replacement: The long cycle life and stable chemistry reduce the need for frequent battery replacements and maintenance work, resulting in lower operational costs and less downtime.

Enhanced Safety: Well-lit bus stops deter crime and make commuters feel safer, especially during early morning or late evening hours.

Improved Commuter Convenience: Free charging capabilities are not only a modern necessity but also help promote public transportation by adding value to the rider experience.

Environmental Impact: Switching to solar-powered infrastructure supports broader climate goals and demonstrates a commitment to sustainability and innovation.

Himax: Delivering More Than Just Batteries

What sets Himax apart is not just the quality of its products but its holistic approach to energy storage solutions. In addition to supplying high-performance LiFePO4 batteries, the company offers complete systems and services tailored for solar infrastructure.

Custom Battery Management Systems (BMS): Himax equips its batteries with intelligent BMS that monitor and protect against overcharging, over-discharging, short circuits, and temperature extremes — ensuring the longest possible lifespan and safest operation.

Remote Monitoring: Optional remote monitoring capabilities allow for real-time diagnostics and performance tracking, enabling proactive maintenance and reducing the risk of unexpected failures.

Flexible, Scalable Solutions: Himax’s systems are highly adaptable, supporting both small installations for neighborhood bus stops and larger deployments in high-traffic transit hubs.

Conclusion

As cities embrace the vision of cleaner, smarter, and more connected infrastructure, solar-powered bus shelters stand out as a practical and visible symbol of progress. Himax’s 12.8V 20Ah LiFePO4 battery plays a pivotal role in this evolution, enabling dependable lighting and mobile charging powered entirely by the sun.

With its superior safety, efficiency, and long lifespan, the battery delivers unmatched value for public infrastructure projects. But more than that, it contributes to a better urban experience — safer streets, more connected commuters, and greener cities.

By combining cutting-edge battery technology with full-system support, Himax is helping urban centers across the globe take a confident step into a more sustainable future — one bus stop at a time.

LiFePO4 batteries are renowned for their long cycle life, thermal stability, and overall reliability. That’s why they’re the battery of choice in solar energy systems, RVs, marine equipment, and industrial power storage. However, like all lithium batteries, proper storage practices are crucial—especially when storing for extended periods.

Among the most frequently asked questions we receive at HIMAX Electronics is:
“What is the best State of Charge (SOC) for storing Lithium Iron Phosphate （LiFePO4 ）batteries long term without damaging their capacity?”

This article provides the clear answer and explains how to optimize battery longevity through proper SOC and storage techniques.

Why SOC Matters During Storage

Even when disconnected from a system, LiFePO4 batteries continue to undergo slow electrochemical reactions. Improper State of Charge (either too high or too low) can accelerate aging, reduce usable capacity, and in some cases, cause irreversible damage.

Key risks include:

• Over-discharge:Leads to internal degradation and reduced voltage recovery.
• Overcharge during storage:Increases stress on the cathode material and may accelerate capacity fade.

Best SOC for Long-Term Storage of LiFePO4 Batteries

✅ Ideal Storage SOC: 40% to 60%

Storing your LiFePO4 battery at 40% to 60% State of Charge provides the safest balance between chemical stability and operational readiness. This range minimizes cell stress, reduces internal pressure, and extends calendar life.

At HIMAX Electronics, we recommend pre-charging all LiFePO4 battery packs to around 50% SOC before putting them into storage for more than 30 days.

Why Not 100% or 0% SOC?

🔻 Avoid 100% SOC:

• Storing batteries fully charged increases internal voltage stress.
• Long-term exposure to high voltage can shorten lifespan and increase resistance.

🔻 Avoid 0% SOC:

• Risk of over-discharge or voltage drop below recovery threshold (usually ~2.5V/cell).
• Self-discharge over time could render the battery unusable.

HIMAX Electronics Best Practices for Long-Term Storage

As a trusted LiFePO4 battery manufacturer, HIMAX Electronics follows these best practices to protect and preserve battery life during seasonal or shipment-related storage:

✔ 1. Pre-Storage Charge to 50%

All HIMAX packs are delivered with ~50% SOC unless otherwise requested, ready for safe storage upon arrival.

✔ 2. Smart BMS with Low Power Mode

Our advanced BMS designs minimize parasitic drain, preserving SOC stability during idle periods.

✔ 3. Label with Storage SOC & Date

Clear labeling ensures our customers know the last charge level and when a top-up may be needed.

✔ 4. Encourage 3–6 Month Checks

We recommend checking voltage every 3–6 months and topping up SOC if it drops below 30%.

Summary: Optimal Storage Conditions for LiFePO4 Batteries

Final Thoughts

Taking proper care of your LiFePO4 batteries during storage is simple—but crucial. By maintaining an optimal State of Charge between 40% and 60%, you can preserve capacity, ensure safety, and maximize the usable life of your battery investment.

At HIMAX Electronics, we design our LiFePO4 packs for both high performance and long-term resilience. Whether you need energy storage for solar, telecom, marine, or industrial backup, our battery experts are here to help you choose the right solution—and store it the right way.

Contact HIMAX Electronics today for high-quality LiFePO4 battery packs with built-in protection and long-life assurance.

At HIMAX Electronics, we specialize in providing high-performance battery solutions for a variety of applications, from robotics to electric vehicles and solar storage systems. A common question we encounter is whether LiFePO4 (Lithium Iron Phosphate) batteries are compatible with Lead Acid batteries. In this article, we’ll explain why these two types of batteries, despite being chemically different, can be compatible in certain applications—and how you can integrate them into your power systems for optimal performance.

Understanding LiFePO4 and Lead Acid Batteries

Before discussing their compatibility, it’s important to understand the basic characteristics of both LiFePO4 and Lead Acid batteries:

1. LiFePO4 Batteries:

LiFePO4 is a type of lithium-ion battery, known for its safety, long cycle life, and thermal stability.

These batteries typically have a nominal voltage of 3.2V per cell, and when configured in packs, can provide a variety of voltages (12.8V, 25.6V, 51.2V, etc.).

LiFePO4 batteries are commonly used in applications that require high energy density, such as electric vehicles, robotics, and solar energy storage systems.

2. Lead Acid Batteries:

Lead Acid batteries have been the go-to choice for many applications, especially in automotive and backup power systems.

They operate at a nominal voltage of 2V per cell and are typically arranged in 12V, 24V, or 48V systems.

These batteries are inexpensive, widely available, and reliable, but they have a shorter lifespan and lower energy density than lithium-based batteries.

Why LiFePO4 Batteries and Lead Acid Batteries Can Be Compatible

Although LiFePO4 and Lead Acid batteries are chemically and technologically different, there are several reasons why they can be compatible in certain applications. Here are the key factors:

1. Voltage Similarity in Series Configurations:

One of the reasons these batteries can work together is that when arranged in series (i.e., connecting multiple cells to form a battery pack), both LiFePO4 batteries and Lead Acid batteries can achieve similar nominal voltages.

For instance, a typical 12V Lead Acid battery pack (comprising 6 cells) can be matched with a 12.8V LiFePO4 pack (comprising 4 cells). This voltage overlap makes it possible to integrate them in parallel or in hybrid systems, as long as the charge/discharge characteristics are carefully managed.

2. Energy Storage and Hybrid Systems:

In off-grid energy storage systems or hybrid battery systems, you can integrate both LiFePO4 and Lead Acid batteries to take advantage of their respective strengths.

LiFePO4 batteries provide higher efficiency, longer cycle life, and faster charging times, making them ideal for high-power applications.

Lead Acid batteries are often used in systems where cost is a priority or where the system does not require the long cycle life and energy density of lithium-based batteries.

HIMAX Electronics offers systems where both types of batteries can be used together, each optimizing the performance of the other, such as in solar energy storage or backup power systems.

3. Chargers and Battery Management Systems (BMS):

With the proper Battery Management System (BMS) and chargers, LiFePO4 batteries and Lead Acid batteries can be charged and monitored independently, allowing them to function together in a single system.

HIMAX Electronics provides smart chargers and BMS solutions tailored for both LiFePO4 and Lead Acid batteries. These systems ensure that each type of battery is charged according to its specific requirements, maintaining system stability and battery health.

Shared Applications for Hybrid Power Solutions:

In hybrid systems, LiFePO4 and Lead Acid batteries are often used to optimize both cost-effectiveness and performance. For example, LiFePO4 batteries could be used to handle short-term, high power demands (such as starting motors or peak load scenarios), while Lead Acid batteries can handle long-duration storage and backup power at a lower cost.

In solar energy storage, HIMAX Electronics offers solutions where both types of batteries can complement each other, maximizing both efficiency and cost savings in off-grid or grid-tied applications.

Best Practices for Using LiFePO4 and Lead Acid Batteries Together

While LiFePO4 and Lead Acid batteries can work together in certain systems, there are some best practices to follow to ensure compatibility and prevent issues:

1. Use Separate Charge Controllers:

It’s crucial to use different charge controllers and BMS for each battery type. LiFePO4 and Lead Acid batteries have distinct charging profiles, and using a combined charge controller designed for both battery types is essential to avoid damage or inefficient charging.

2. Voltage Matching:

Ensure that the voltages of your LiFePO4 and Lead Acid battery packs are similar, especially when they are connected in parallel. Using batteries with different voltages in parallel could lead to charging imbalances and potential damage.

3. Monitor Battery Health:

Always monitor the health and performance of both types of batteries in a hybrid system. LiFePO4 batteries will typically have a longer lifespan than Lead Acid batteries, so it’s important to monitor both to ensure that the system continues to function optimally.

4. Consult with Experts:

If you’re planning to integrate LiFePO4 and Lead Acid batteries into a hybrid system, it’s best to consult with battery experts. At HIMAX Electronics, we offer consulting and design services to help you develop the best energy storage system for your needs.

Conclusion: Compatibility for Hybrid Battery Systems

In conclusion, LiFePO4 batteries and Lead Acid batteries can be compatible in certain applications, particularly in hybrid systems that leverage the strengths of each type. By using the appropriate chargers, BMS, and monitoring systems, both types of batteries can work together effectively, providing a balance of cost, performance, and longevity.

At HIMAX Electronics, we specialize in providing high-quality LiFePO4 batteries, Lead Acid batteries, and hybrid energy storage solutions that can be tailored to meet your unique power needs. Whether you’re working on a solar energy system, electric vehicle, or robotics, we can help you design a solution that integrates both battery technologies for optimal performance.

Visit HIMAX Electronics today to explore our full range of products and services!

Smart street lighting systems are revolutionizing urban infrastructure by improving energy efficiency, reducing maintenance costs, and enabling IoT-based monitoring. A critical component of these systems is the power supply, where 48V LiFePO4 (Lithium Iron Phosphate) batteries play a pivotal role. Shenzhen Himax Electronics Co., Ltd., a leading innovator in energy storage solutions, offers the HiMASSi 48V LiFePO4 battery, designed to deliver long lifespan, high safety, and superior performance for smart street light controllers.

Why 48V LiFePO4 Batteries Are Ideal for Smart Street Lights

1. High Energy Efficiency & Long Cycle Life

LiFePO4 batteries provide 2,000–5,000 charge cycles, far exceeding traditional lead-acid batteries (300–500 cycles). This ensures lower replacement costs and long-term reliability for street lighting systems.

2. Enhanced Safety & Thermal Stability

Unlike lithium-ion batteries, LiFePO4 chemistry is non-combustible and resistant to overheating, making it ideal for outdoor applications where temperature fluctuations occur.

3. Stable 48V Power Supply for Smart Controllers

Smart street light controllers require stable voltage input to support:

IoT sensors (motion detection, ambient light sensing)

Wireless communication modules (4G/5G, LoRa, Zigbee)

Remote monitoring & dimming control

The 48V HiMASSi LiFePO4 battery ensures consistent power delivery, preventing voltage drops that could disrupt operations.

4. Solar Compatibility for Off-Grid Lighting

Many smart street lights integrate solar panels for sustainable energy. The HiMASSi 48V battery efficiently stores solar energy, enabling 24/7 operation without grid dependency.

Technical Specifications of HiMASSi 48V LiFePO4 Battery

Applications in Smart Street Lighting

Automatic Brightness Adjustment (via light sensors)

Motion-Activated Lighting (energy savings)

Remote Fault Detection (real-time alerts)

Peak Load Shaving (reducing grid demand)

Conclusion

The HiMASSi 48V LiFePO4 battery by Shenzhen Himax Electronics Co., Ltd. provides a reliable, long-lasting, and eco-friendly power solution for smart street light controllers. With high efficiency, solar compatibility, and advanced BMS protection, it is an optimal choice for modern smart city infrastructure.