Lifepo4 Battery Pack Factory

What is LiFePo4 battery?

The lithium iron phosphate battery is a lithium ion battery using lithium iron phosphate (LiFePO4) as the positive electrode material and carbon as the negative electrode material. 

The rated voltage of the monomer is 3.2V, and the charge cut-off voltage is 3.6V~3.65V.

LiFePO4 batteries have the advantages of high working voltage, high energy density, long cycle life, good safety performance, low self-discharge rate and no memory effect.

lithium ion phosphate battery

Why choose lithium LFP battery?

  1. High working voltage, nominal voltage 3.2V.
  2. High energy density. Approximately 6-7 times of lead-acid batteries.
  3. Low self-discharge rate
  4. No memory effect
  5. Support size customization
  6. Custom capacity from 2Ah to 200Ah.
  7. Lightweight. the same volume of lead-acid battery products is about 1/5
  8. Long lifespan over 500 cycles
  9. Compared with traditional battery technology, lithium-ion batteries charge faster and last longer, and higher power density can achieve longer battery life while being lighter.

How to charge lifepo4 battery?

Constant current and constant voltage charging method: This charging method is a simple combination of the above two. In the first stage, the constant current charging method is adopted to avoid excessive charging current at the beginning of constant voltage charging. The second stage adopts the constant voltage charging method, which avoids the phenomenon of overcharging caused by constant current charging.

Like any other sealed rechargeable battery, the lithium iron phosphate battery pack should be controlled in charge, and it should not be overcharged, otherwise it will easily damage the battery. Lithium iron phosphate batteries generally use a charging method of constant current first and then voltage limiting.

48V lithium battery applicant

Lithium-ion phosphate batteries are commonly used in a broad spectrum of applications, including:

  • Wind generator, alternative energy generator, solar wind system.
  • Lawnmower, garden tool, garden tractor, automatic robot.
  • UPS, backup power supply, Uninterruptible Power Supply
  • Folklift, electric truck, motor truck.
  • Submarine, boat, electric boat.
  • Streetlight, street light, security light, smart outdoor light.

How many cycles can you get out of a lifepo4 battery?

It should be a lithium iron phosphate battery with a long-life design. Select a sample whose processing process is fine and reliable, and has no problems such as winding core deformation. DOD cycle), under suitable preload, it is possible to achieve 12,000 cycle life through accurate cycle testing (it is also possible that the cut-off condition is 70% or 60% of the initial capacity).

lifepo4 battery cycle seting

Quality Products

  • Our 18650 lithium battery conforms to Li-ion battery national standard GB/T18287/2020.
  • Each battery meets the demand of Rohs2.0 REACH requirements.
  • We will help you to get all the necessary certificates, some of the commonly known ones are listed below:
    UN 38.3
    IEC 62133
    UL 2054
    Air & Sea Transportation Report
3D illustration of a rubber stamp mark with thumb up and text high quality over paper background

How to make a lifepo4 battery pack?

1. Choose suitable cells, cell type, voltage, and internal resistance to match. Please balance the cells before assembling. Cut electrodes and punch holes.

2. Calculate the distance according to the hole and cut the insulating plate.

3. Install the screws. Please use flange nuts to prevent the nuts from falling off. After the screws are connected, the battery pack can be fixed.

4. When connecting and soldering wires, and connecting the voltage collection line (balance line), do not connect an external protection board to prevent accidental burnout of the protection board.

5. The insulating silicone is fixed again, and this silicone will cure over time.

6. Place the protection board. If you forget to balance the cells before, this is the last chance before the battery is assembled. You can balance it through the balance line.

7. Then use an insulating plate to fix the entire battery pack, and encapsulate it with nylon tape, which is more durable.

8. Then encapsulate the battery as a whole, please be sure to fix the battery and the protection board. Our battery is still guaranteed to work normally if it is dropped from a height of 1 meter.

9. The output and input are all made of silicone wire. The overall weight is half of the same acid battery because it is an iron-lithium battery.

Manufactured to National Standard GB/T18287-2020

  • All are producing at 5S & dust free plant. Our daily production is up to 10K pieces.
automatic sorting machines
18650 battery sorting
our workers

Chemical Test

Automatic Welding

Final Testing

  • Cell Formation & Grading
  • Temp & Hum Controller
  • Short-circuit Test
  • Salt Spray Test
  • Molding System
  • Automatic Welding
  • Automatic Welding
  • Final Test
  • Packing

Need Any Custom Lifepo4 Battery Pack?

You will receive the charge & discharge curve

  • 12S2P Battery Pack, It is a 5A charge & 10A discharge curve test as a sample for your review.

Time - voltage & current

Capacity - voltage

Time - capacity & specific capacity

Cycle number-charge capacity & discharge capacity & charge specific capacity & discharge specific capacity

Product & Factory Certificates

  • All batteries are require related certification apart from lab testing, such as voltage, current measure, and each countries have different certificate demand.
  • Clients are welcome to have any 3rd party certification company verify our batteries or the factory documents.
  • We have been working with UL, TUV, SGS certication lab. All batteries approved by UL1642, UN38.3, IEC62133, PSE, KC, CB, MSDS certificate or report.
battery certificate

Write To Us

Why choose us, HLC?

  • Safety & Reliability
    All Battery cells will pass rigorous testing. All Battery Packs are Certified and are compliant with regulatory and safety requirements. 
  • Certifications
    CE, ROHS, FCC certification and high reliability. MSDS, UN 38.3, IEC 62133, KC, PSE, BIS certifications and more available.
  • Customer support
    Quick turn-around on battery assemblies(10-20 Days). 24*7 services are available.

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We will contact you within 1 working day, please pay attention to the email with the suffix “”