46120 LiFePO4 Battery Cell: Performance and Application Analysis

As global demand continues to grow for high-capacity power solutions in low-speed electric vehicles, industrial equipment, and energy storage systems, the 46120 LiFePO4 battery cell has become a preferred choice for medium- and large-scale power applications due to its large format, high energy capacity, excellent safety, and long-term stability.

The 46120 series is available in two versions: a Standard Temperature Model and a Low-Temperature High-Rate Model. Designed for conventional operating environments and extreme cold-climate regions such as Northern Europe, these two options provide a balance of capacity, temperature adaptability, and discharge performance to meet diverse project requirements.

Comparison of 46120 Standard and Low-Temperature Models

Both cells utilize a standard cylindrical format of 46 mm × 120.5 mm and inherit the key advantages of LiFePO4 chemistry, including high safety, thermal stability, and long cycle life. The primary differences lie in capacity, operating temperature range, and discharge capability.

46120 Standard Model: High-Capacity Solution for Conventional Applications

The 46120 Standard Model is designed to deliver high capacity and stable overall performance. With a nominal capacity of 25Ah and an operating temperature range of -20°C to 60°C, it is suitable for most temperate and subtropical regions around the world.

Featuring an internal resistance of ≤1.0mΩ, the cell supports 2C continuous discharge and 6C pulse discharge, providing reliable power for medium- and high-power equipment requiring both sustained operation and short-term peak loads.

Built on a mature LiFePO4 chemistry platform, the cell achieves a cycle life of more than 3,000 cycles under standard operating conditions (0.5C charge/discharge), ensuring slow capacity degradation and excellent consistency over time.

Its high single-cell capacity reduces the number of cells required in a battery pack, simplifying pack design, lowering system complexity, and minimizing potential failure points. This makes it an ideal choice for applications requiring long runtime, stable performance, and dependable operation.

46120 Low-Temperature Model: Designed for Extreme Cold and High-Power Applications

The 46120 Low-Temperature Model is specifically engineered for high-latitude regions such as Northern Europe, where equipment must operate reliably under extremely cold conditions.

With a nominal capacity of 24Ah, its key advantage is the ability to discharge normally at temperatures as low as -40°C, effectively overcoming the performance loss commonly associated with low-temperature environments.

Its discharge capability is significantly enhanced, supporting 4C continuous discharge and 10C peak pulse discharge, delivering strong power output for applications involving frequent start-stop cycles, heavy loads, and demanding operating conditions.

The internal resistance is reduced to ≤0.8mΩ, resulting in lower heat generation during high-current operation and improved overall stability. This makes it particularly suitable for heavy-duty mobility and industrial applications operating in harsh environments.

Key Application Scenarios

Applications for the 46120 Standard Model

The standard version is suitable for most climate regions worldwide and is widely used in:

• Electric scooters and motorcycles

• Electric tricycles

• Sightseeing vehicles

• Mobility vehicles

• Residential solar energy storage systems

• Backup power supplies

• UPS systems

• Electric forklifts

• AGVs (Automated Guided Vehicles)

• Outdoor industrial equipment

• Portable power stations

• Large-scale energy storage projects

Its combination of high capacity, long cycle life, and excellent reliability makes it ideal for applications requiring extended operating time and reduced maintenance costs.

Applications for the 46120 Low-Temperature Model

The low-temperature version is specifically developed for cold-climate regions and is commonly used in:

• Electric snowmobiles

• Low-temperature cargo tricycles

• Cold-weather engineering machinery

• Outdoor power equipment

• Off-grid solar energy storage systems in Northern Europe

• Outdoor telecom base station backup power

• Energy storage systems deployed in severe winter environments

Its ability to maintain strong output performance at extremely low temperatures makes it an ideal solution for customers operating in harsh winter conditions.

46120 Battery Cell Solutions from Shenzhen Yilai Power Technology Co., Ltd.

Shenzhen Yilai Power Technology Co., Ltd. provides a complete range of 46120 battery cells, including both standard-temperature and low-temperature models, as well as customized battery pack solutions.

We maintain strict control over cell consistency and integrate industrial-grade Battery Management Systems (BMS) into our battery packs. The standard model is optimized for conventional power applications, while the low-temperature model is specifically engineered for cold-start performance and high-rate discharge protection in extreme environments.

All products comply with major international standards and certifications, including:

• UN38.3

• IEC62133

• CE

We also support customization of voltage, capacity, dimensions, connectors, communication protocols, and battery pack configurations to meet specific customer requirements.

With mature technology and proven reliability, our 46120 battery packs have already been successfully deployed in a battery-swapping project for electric two-wheelers in Vietnam. The products have demonstrated stable performance in real-world operation and have received strong recognition from customers.

Whether for electric mobility, industrial equipment, or energy storage systems, Shenzhen Yilai Power Technology Co., Ltd. is committed to delivering reliable, high-performance lithium battery solutions that help customers achieve long-term operational success.