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Custom 3.2V Lifepo4 Battery Manufacturer in China

3.2V Lifepo4 Battery

 VTCBATT is a professional manufacturer of custom 3.2V LiFePO4 batteries, providing cylindrical, prismatic, and pouch lithium iron phosphate cells for industrial, energy storage, and portable applications.

Custom 3.2V Lifepo4 Battery Manufacturer in China

Our 3.2V LiFePO4 cells use lithium iron phosphate (LiFePO4/LFP) chemistry, offering excellent thermal stability, high safety performance, long cycle life, and reliable power output. Available capacities range from 300mAh to 314Ah, covering compact electronic devices, IoT equipment, battery packs, solar energy storage systems, and electric mobility applications.

With a nominal voltage of 3.2V, a fully charged voltage of 3.65V, and a recommended discharge cutoff voltage of 2.5V, these LFP cells provide a stable operating voltage platform and efficient energy utilization.

VTCBATT supports custom LiFePO4 battery solutions, including cell size, capacity, terminal design, battery configuration, protection circuits, and pack integration. Our 3.2V LiFePO4 cells are engineered for applications requiring 3,000–6,000+ charge-discharge cycles, wide operating temperature capability, and consistent long-term performance.

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3.2V Cylindrical LiFePO4 Battery

Cylindrical 3.2V LiFePO4 batteries provide excellent consistency, high discharge performance, and mechanical durability. They are widely used in portable devices, robotics, solar lighting, and customized battery packs. Available cylindrical LiFePO4 formats include IFR10440, IFR14500, IFR18500, IFR18650, IFR26650, IFR32140, IFR32800, and IFR60145. 

3.2V Prismatic LiFePO4 Battery

Prismatic LiFePO4 batteries are designed for high-capacity energy storage applications. Their rigid aluminum housing provides excellent safety, thermal stability, and long cycle life. Main battery capacity types: 3.2V 50AH,100Ah, 120Ah, 200Ah, 314Ah

Custom 3.2V LiFePO4 Battery Pack

VTCBATT provides customized 3.2V LiFePO4 battery packs by combining cells with PCM/BMS, wires, connectors, and protection solutions according to customer requirements. 

Advantages of Our 3.2V Lifepo4 Battery

Long Lifespan
Long Lifespan

Our 3.2V LiFePO₄ battery can withstand over 6,000 charge and discharge cycles, exceeding lead-acid batteries.

Safety
Safety

Our lithium iron phosphate material is inherently safe with good thermal runaway capability.

Its electrolyte liquid are high temperature durable.Unlike NCM lithium ion batteries are prone to fire,lifepo4 battery are stable and safe.

Stable Voltage
Stable Voltage

The 3.2V voltage provides a stable output voltage platform around 3.3V to 3.4V, providing steady power to devices.Furthermore,3.2V Lifepo4 battery discharges its 60%-70% main power around the voltage platform.

Wide Applications
Wide Applications

Electronic equipment and lighting equipment often use single 3.2V LiFePO₄ batteries for maintenance and operation.For RV,solar energy storage,golf cart,vehicles and EV, 3.2 lifepo4 cells are assembled into multiple series and parallel to reach higher voltage and capacity.

 

BMS System
BMS System

Our batteries are equipped with a BMS system that automatically protects the LiFePO₄ battery.VTCBATT self-developed BMS system has intelligent discharge,charge,over-current,over temperature and cell balance for multiple 3.2V lifepo4 battery assembled battery pack.

Durable Housing
Durable Housing

Our batteries feature an ABS sealed housing, ensuring stable operation even in harsh environments.Lifepo4 battery with designed IP65 waterproof case,empowering various applications such as marine,fish finder,motorcycle,golf cart,low-speed vehicles.

Customizable
Customizable

We can customize our LiFePO₄ batteries based on your capacity requirements to meet your specific needs.We can assemble the 3.2V lifepo4 cells into different voltage and capacity to power your products seamlessly.

Environmentally Friendly
Environmentally Friendly

Our LiFePO₄ batteries do not contain harmful metal contaminants such as chromium, mercury, and lead, and are environmentally friendly.

Witness The Birth of Lifepo4 Cells

Thanks to advanced technological research and automation upgrades, 3.2V lifepo4 battery cells are manufactured with high safety and precision, in cylindrical and prismatic shapes.Under rigorous production monitoring,each cell is still two-dimentionally coded for tracebility and matched to store cell data during assembly.This benefits many high-capacity applications involving mutiple cells,such as energy storage,EV, forklift, solar systems and agricultural equipment.

Modern Manufacturing

Applications of 3.2V Lifepo4 Battery

  • Solar Lighting & Emergency Lighting

    LiFePO₄ battery has excellent cycle life and high temperature resistance. The working principle of solar charging during the day and lighting at night can ensure that the light can run stably for a long time.

  • Portable Lighting Equipment

    Flashlights using 3.2V Lifepo4 battery have higher brightness and longer battery life, which is especially suitable for hiking, mountaineering, camping or rescue.

  • Communication Equipment

    Radios, intercoms, alarms and control panels will use our Lifepo4 3.2V battery to provide them with uninterrupted signal transmission and safety protection.

  • Electric Vehicles
    Electric Vehicles

    By connecting multiple 3.2V Lifepo4 batteries in series to form a battery pack, the excellent charging and discharging performance provides inexhaustible power for electric vehicles.

  • Backup Power
    Backup Power Supply

    In the event of a power outage or emergency, our Lifepo4 battery can provide continuous power to relieve the tense atmosphere.

3.2V Lifepo4 Battery

ModelNominal Voltage (V)Typical Capacity (mAh)Internal Impedance (mOhm)Diameter (mm)Height (mm)ChargeDischargeWeight (g)
IFR103703.2150≤8010.2±0.337.00.5C0.5~1C7.0
IFR104403.2180≤8010.2±0.343.00.5C0.5~1C8.0
IFR104403.2200≤8010.2±0.343.00.5C0.5~1C8.0
IFR104403.2220≤8010.2±0.343.00.5C0.5~1C8.0
IFR105003.2250≤8010.2±0.350.00.5C0.5~1C10.0
IFR105003.2280≤8010.2±0.350.00.5C0.5~1C10.5
IFR105003.2300≤8010.2±0.350.00.5C0.5~1C10.8
IFR133003.2200≤8013.2±0.330.00.5C0.5~1C9.5
IFR133003.2250≤8013.2±0.330.00.5C0.5~1C10.0
IFR134003.2320≤8013.2±0.340.00.5C0.5~1C10.8
IFR142503.2150≤8014.2±0.325.00.5C0.5~1C12.0
IFR142503.2180≤8014.2±0.325.00.5C0.5~1C12.0
IFR144303.2400≤6014.2±0.343.00.5C0.5~1C13.0
IFR144303.2450≤6014.2±0.343.00.5C0.5~1C14.0
IFR144303.2500≤6014.2±0.343.00.5C0.5~1C15.0
IFR145003.2300≤6014.2±0.350.00.5C0.5~1C13.5
IFR145003.2400≤6014.2±0.350.00.5C0.5~1C15.5
IFR145003.2500≤6014.2±0.350.00.5C0.5~1C16.5
IFR145003.2600≤6014.2±0.350.00.5C0.5~1C17.8
IFR146503.2800≤6014.2±0.365.00.5C0.5~1C22.0
IFR146503.2900≤6014.2±0.365.00.5C0.5~1C23.0
IFR146503.21000≤6014.2±0.365.00.5C0.5~1C23.5
IFR15270 (CR2)3.2200≤8015.2±0.327.00.5C0.5~1C10.5
IFR163403.2500≤8016.2±0.334.00.5C0.5~1C16.5
IFR163403.2550≤8016.2±0.334.00.5C0.5~1C17.0
IFR165003.2800≤8016.2±0.350.00.5C0.5~1C23.0
IFR166503.21200≤8016.2±0.365.00.5C0.5~1C30.0
IFR17335 (CR123)3.2500≤8016.2±0.333.50.5C0.5~1C16.0
IFR183503.2600≤6018.2±0.335.00.5C0.5~1C16.5
IFR185003.2600≤6018.2±0.350.00.5C0.5~1C19.5
IFR185003.2800≤6018.2±0.350.00.5C0.5~1C23.5
IFR185003.21000≤6018.2±0.350.00.5C0.5~1C27.5
IFR185003.21200≤6018.2±0.350.00.5C0.5~1C30.4
IFR186503.21200≤6018.2±0.365.00.5C0.5~1C37.5
IFR186503.21500≤6018.2±0.365.00.5C0.5~1C40.5
IFR186503.21800≤6018.2±0.365.00.5C0.5~1C42.2
IFR186503.22000≤6018.2±0.365.00.5C0.5~1C44.0
IFR217003.22400≤5021.2±0.370.00.5C0.5~1C60.0
IFR217003.23000≤5021.2±0.370.00.5C0.5~1C76.0
IFR226503.22000≤5022.2±0.365.30.5C0.5~1C65.3
IFR226503.22200≤5022.2±0.365.30.5C0.5~1C67.0
IFR226503.22400≤5022.2±0.365.30.5C0.5~1C69.3
IFR266503.23000≤2026.2±0.365.30.5C0.5~3C85.4
IFR266503.23200≤2026.2±0.365.30.5C0.5~1C86.2
IFR266503.23400≤2026.2±0.370.00.5C0.5~3C88.2
IFR267003.23600≤2026.2±0.370.00.5C0.5~3C89.5
IFR267003.24000≤2026.2±0.370.00.5C0.5~3C89.5
IFR326503.25000≤2032.2±0.365.00.5C0.5~3C142.0
IFR327003.25000≤1532.2±0.370.00.5C0.5~3C152.0
IFR327003.26000≤1032.2±0.370.00.5C0.5~3C162.0
IFR327003.26300≤1032.2±0.370.00.5C0.5~3C166.0
IFR327003.26500≤1032.2±0.370.00.5C0.5~3C168.0
IFR331403.215000≤1033.3±0.5140.00.5C0.5~3C270.0
IFR401353.220000≤840.5±0.5135.00.5C0.5~3C380.0
What are the disadvantages of LiFePO4 batteries?

3.2V Lifepo4 battery LiFePO₄ batteries are popular due to their safety, long life and stability, but there are also some inevitable disadvantages:

Low energy density. This shows that compared with other lithium batteries, 3.2V Lifepo4 battery LiFePO₄ batteries have weaker power storage capacity under the same conditions and are not suitable for devices with high energy density requirements.

Cannot resist low temperatures. The ability of LiFePO₄ batteries to charge and discharge at very low temperatures will be significantly weakened, resulting in low power supply capacity. Therefore, it is not recommended to use 3.2V Lifepo4 batteries for a long time in cold areas.

High price

Due to the manufacturing materials and structure, the price of LiFePO₄ batteries is higher than that of lead-acid batteries.

Large volume. Due to the low energy density of LiFePO₄ batteries, the volume and weight will be larger at the same capacity.

Need to be equipped with BMS. In order to protect the service life of the 3.2V Lifepo4 battery, it needs to be used with BMS.

Which is better, LiFePO4 battery or lithium battery?

Both lithium iron phosphate batteries and lithium batteries have their own advantages and disadvantages. Compared with traditional lithium batteries, lithium iron phosphate batteries have:

High safety. Generally, they are not prone to fire and explosion.

Long service life. Lithium iron phosphate batteries can be recycled 3000-6000 times, with a service life of 5-10 years.

Wide temperature range. 3.2V lithium iron phosphate batteries can be used in a temperature fluctuation range of -50°F to 140°F.

More environmentally friendly. Lithium iron phosphate batteries pose less threat to the environment and are easier for you to recycle.

Lithium batteries have:

High energy density. Compared with lithium iron phosphate batteries, lithium batteries can store more energy at a lighter weight and can provide continuous endurance.

Strong charge and discharge performance. Lithium batteries have a higher charge and discharge rate and can be used in scenarios that require high power.

Light weight. Lithium batteries are made of lighter materials, with a smaller overall weight and volume, and are more suitable for outdoor portable electronic devices, etc.

Is it harmful to keep the 3.2 V LiFePO4 battery fully charged?

Compared to other types of lithium batteries, the 3.2V Lifepo4 battery will not have harmful effects if it is fully charged for a long time. The Lifepo4 battery has strong high voltage resistance, so it is not easy to have a huge reaction to high voltage. However, if the lifepo4 battery is kept at high temperature and fully charged for a long time, it will accelerate the aging of the battery, so it is still recommended not to keep it fully charged for a long time.

How to charge the 3.2 V LiFePO4 battery?

You need to use a special LiFePO₄ charger instead of a normal lithium battery charger. LiFePO₄ is charged in CC–CV mode, which is different from lithium batteries. I recommend that if you use a group of LiFePO₄ batteries, you should charge them with a BMS.

Is there any harm in completely exhausting the power of a 3.2V LiFePO4 battery?

Yes. Completely exhausting the power of a lithium iron phosphate battery is harmful to the battery itself. This will shorten the battery life and damage the internal structure of the battery. Since the minimum safe voltage of a lithium iron phosphate battery is 2.5v, if it is lower than this voltage and is in a continuous discharge stage, it is considered an over-discharge situation, which will cause irreversible damage to the battery capacity. If the lithium iron phosphate battery has a BMS protection board, it will automatically power off the protection circuit to prevent damage when the voltage is too low.

Why don't cars use Lithium ion batteries?

Now almost  EVS use lithium iron phosphate batteries,even Tesla are changing their EV battery from lithium ion NCM battery to Lifepo4 battery.lithium lifepo4 batteries with high endurance, much safer and larger capacity per single lifepo4 cell. 

Why does my LiFePO4 battery consume power quickly?

Battery capacity decay. As the battery goes through many cycles of charge and discharge, the battery capacity will decay and the battery life will also become shorter.

Improper charging. If you use an unprofessional charger to charge the lithium iron phosphate battery for a long time, it will reduce the health of the battery.

The equipment consumes a lot of power. The more powerful the power-consuming equipment is, the faster it will consume power.

Temperature influences. Both high and low temperatures will affect the capacity of the battery. Therefore, you should pay attention to the environment in which the battery is stored and used.

What are the dangers of 3.2V LiFePO4 batteries?

LiFePO₄ battery has high safety and stability, but it also has certain dangers:

  • If the Lifepo4 battery is improperly connected, it will cause a short circuit in the battery, causing the risk of overheating and explosion. To avoid this, you need to use a BMS to prevent it.
  • Overcharging the battery will cause internal expansion or leakage. You can use a charger with overcharge protection to effectively avoid it.
  • If it is over-discharged, it will also cause the battery capacity to be damaged, and in severe cases it will be unable to be charged. So be careful not to run out of power.
  • Punctures and squeezes on the battery shell will cause internal short circuits and explosions. So pay attention to physical damage during use and use protective shells.
  • If the 3.2V Lifepo4 battery is in a humid environment, it will cause rust and short circuits. You should store the battery in a dry environment.
Can I use a trickle charger for 3.2V LiFePO4 batteries?

Yes. But it is not ideal for long term charge.The output current of the trickle charger is small for high capacity LiFePO4 3.2V battery, which will result in very long charge time and failure to fully charge. In addition, the trickle charging current will keep charging the  LiFePO₄ batteries,which will result in overcharge for long time charge. Forcibly using a trickle charger will also cause damage to the LiFePO4 battery cells, posing a safety hazard.

Can I use 3.2V LiFePO4 batteries without using BMS?

Not recommended. BMS protects 3.2V LiFePO4 batteries. If BMS is not used, it will lead to:

  • Battery overcharge and over discharge risks, damage to battery performance, and reduction in battery life.
  • Uneven voltage. BMS is responsible for the battery balance in a group of LiFePO4 batteries. If it is not used, the voltage of a certain cell will exceed the limit and cause damage to the battery pack.
  • No temperature protection. When the temperature is abnormal, BMS will cut off the power supply to the battery to directly avoid capacity attenuation.
How to judge whether the 3.2V LiFePO4 battery is damaged?

You can judge the status of the 3.2V LiFePO4 battery by appearance, voltage, capacity and charging behavior:

Appearance. The simplest and most direct way is to observe whether the battery appearance is swollen, deformed and cracked. If there are these phenomena, it cannot be used anymore.

Voltage. Measure the 3.2V LiFePO4 battery with an external meter. If the voltage is between 2.5V and 3.65V, it is safe.

Charging status. If the battery cannot be charged during the charging process or the temperature is abnormal, stop using it.

Discharging status. If the battery runs out of power in a short time, it means that the battery capacity has been seriously attenuated.

3.2V Prismatic LiFePO4 Battery vs Cylindrical vs Pouch LiFePO4 Battery: How to Choose?

A 3.2V LiFePO4 battery can be designed using different cell formats, including prismatic, cylindrical, and pouch LiFePO4 cells. Depending on the application requirements, these cells can be used as individual battery cells or integrated into customized battery packs with BMS protection, connectors, and wiring. 

Although all three formats use lithium iron phosphate (LiFePO4/LFP) chemistry and provide a nominal voltage of 3.2V, their structure, capacity range, thermal performance, customization capability, and application suitability are different.

Choosing the right 3.2V LiFePO4 battery solution depends on capacity requirements, installation space, discharge current, operating environment, and whether you need a single cell or a complete battery pack.

 

Item3.2V Prismatic LiFePO4 Battery3.2V Cylindrical LiFePO4 Battery3.2V Pouch LiFePO4 Battery
StructureAluminum hard case cellSteel cylindrical cellAluminum laminate pouch cell
Typical Capacity20Ah–314Ah+0.5Ah–6Ah300mAh–50Ah+
Battery TypeCell or assembled packCell or assembled packCell or customized pack
CustomizationMediumMediumExcellent
Best ForLarge battery systemsCompact/high-power devicesSpace-limited products

How Are 3.2V LiFePO4 Batteries Configured Into Battery Packs?

A single 3.2V LiFePO4 cell is commonly used as the basic building block for higher-voltage battery systems. 

Battery VoltageConfiguration
6.4V2 × 3.2V cells in series
12.8V4 × 3.2V cells in series
25.6V8 × 3.2V cells in series
51.2V16 × 3.2V cells in series
Different Series and Parallel Assembly Drawing
Different Series and Parallel Assembly Drawing

 

How to Select the Right 3.2V LiFePO4 Battery Solution?

Selecting the right 3.2V LiFePO4 battery solution depends on your product design stage, technical requirements, and production goals. A 3.2V LiFePO4 battery can be supplied as an individual cell or as a complete battery pack with protection electronics and customized components.

Before choosing a solution, engineers should consider:

  • Whether the battery will be integrated into an existing design or supplied as a finished product
  • Required voltage and capacity
  • Discharge current requirements
  • Available installation space
  • Operating environment
  • Certification requirements
  • Production quantity and customization level

1. Do You Need a 3.2V LiFePO4 Battery Cell or a Complete Battery Pack?

Choose a 3.2V LiFePO4 Battery Cell When:

A single 3.2V LiFePO4 cell is suitable when your engineering team already has battery pack design capability and needs specific cell characteristics for integration.

Typical requirements include:

You Design Your Own Battery Pack

If your company has experience with battery system development, you may only need high-quality LiFePO4 cells and complete the pack assembly internally.

For example:

  • Selecting multiple 3.2V cells for series connection
  • Designing your own enclosure
  • Developing the BMS system
  • Integrating the battery into your final product

Typical applications:

  • Energy storage system manufacturers
  • Electric vehicle manufacturers
  • Industrial equipment companies
  • Battery pack integrators

You Need Specific Cell Performance Characteristics

Some applications require specific electrical performance that can only be achieved by selecting the right cell type.

Important parameters include:

  • Capacity (Ah)
  • Internal resistance (mΩ)
  • Maximum continuous discharge current
  • Peak discharge current
  • Cycle life requirement
  • Operating temperature range
  • Cell dimensions

For example:

A solar energy storage system may prioritize:

  • High capacity
  • Long cycle life
  • Low internal resistance

While a robotics application may require:

  • Higher discharge capability
  • Better power output
  • Lower voltage drop under load

You Have Your Own BMS and Protection Design

Battery cells are usually selected by customers who already have their own battery management system (BMS) development capability.

Your engineering team may handle:

  • Over-charge protection
  • Over-discharge protection
  • Over-current protection
  • Temperature monitoring
  • Cell balancing
  • Communication protocols

In this case, purchasing individual 3.2V LiFePO4 cells provides more flexibility in system design.

Choose a Custom 3.2V LiFePO4 Battery Pack When:

A complete battery pack is the better choice when you need a ready-to-install power solution instead of individual cells.

A customized battery pack can include:

  • LiFePO4 cells
  • BMS/PCM protection board
  • Battery housing
  • Wires and connectors
  • Temperature sensors
  • Communication interfaces
  • Charging protection
  • Mechanical design

You Need a Ready-to-Use Battery Solution

Many OEM customers do not want to manage cell selection, welding, protection design, and testing.

A complete battery pack supplier can handle:

  • Cell matching
  • Electrical design
  • Structural design
  • Assembly
  • Aging testing
  • Quality inspection

This reduces development time and avoids common battery design problems such as:

  • Cell imbalance
  • Incorrect protection settings
  • Insufficient discharge capability
  • Connector compatibility issues

You Require Integrated BMS Protection

For most commercial products, a battery pack requires a battery management system.

The BMS can monitor and protect:

  • Cell voltage
  • Pack current
  • Temperature
  • Charging status
  • Discharge conditions
  • Cell balancing

For example:

A 12.8V LiFePO4 battery pack usually consists of:

  • 4 × 3.2V LiFePO4 cells connected in series
  • A BMS for protection and balancing
  • Customized wiring and connectors

This video shows the internal structure of a 12V 7Ah LiFePO4 battery pack, including cell arrangement, connection design, BMS integration, and assembly process. 

You Need Customized Dimensions, Connectors, or Wiring

Standard battery sizes do not always fit OEM products.A custom 3.2V LiFePO4 battery pack can be optimized for:

  • Limited installation space
  • Special enclosure designs
  • Different cable lengths
  • Specific connector requirements
  • Waterproof applications
  • Communication requirements

Common customization options include:

  • Battery size
  • Capacity
  • Voltage configuration
  • Connector type
  • Wire length
  • BMS functions
  • CAN/RS485/Bluetooth communication

Quick Decision Guide: Cell or Battery Pack?

RequirementRecommended Solution
You develop your own battery system3.2V LiFePO4 Cell
You need individual cells for pack assembly3.2V LiFePO4 Cell
You need customized voltage and capacityBattery Pack
You need BMS protection includedBattery Pack
You need connectors and wiring readyBattery Pack
You need a drop-in replacement solutionBattery Pack
You need maximum design flexibilityCell
You need faster product developmentBattery Pack

VTCBATT Engineering Recommendation

For OEM projects, selecting the correct 3.2V LiFePO4 solution should not only consider battery capacity. The complete design should match the application requirements, including:

  • Energy requirement
  • Peak current demand
  • Available space
  • Charging method
  • Environmental conditions
  • Safety requirements
  • Expected service life

With experience in LiFePO4 cell integration and OEM battery manufacturing, VTCBATT helps customers select suitable battery architectures from prototype development to mass production. 

Whether you need individual LFP cells for your own battery design or a complete battery pack with BMS, wiring, and mechanical customization, the right battery architecture can improve product reliability, safety, and long-term performance.

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