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Custom Lithium Iron Phosphate

The lithium iron phosphate (LiFePO4) cells and batteries, also called LFP, is a more recent type of rechargeable lithium battery and specifically a type of lithium ion battery, which uses LiFePO4 as its cathode material.

House of Batteries manufactures custom lithium iron phosphate (LFP) battery packs and assemblies for many applications. Our battery design team uses the latest mechanical and electronic design tools to optimize the reliability, safety and manufacturability of your custom battery packs.  This gives you the most cost effective and dependable lithium iron phosphate battery pack solution for your specific needs.

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Product Name  Model  Manufacturer  Chemistry  Voltage  Capacity  PDF   
Lithium Ion Phosphate -​ K214500PO2

K214500PO2
K2 Energy Batteries
Lithium Iron Phosphate
3.3
500mAh
Spec Sheet
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Lithium Iron Phosphate -​ 14Ah Prismatic Pouch Cell

14Ah Prismatic Pouch Cell
A123 Systems Batteries
Lithium Iron Phosphate
3.3
14Ah
Spec Sheet
Add to Quote

Lithium Iron Phosphate -​ 18650 Cylindrical Cell

18650 Cylindrical Cell
A123 Systems Batteries
Lithium Iron Phosphate
3.3
1.1Ah
Spec Sheet
Add to Quote

Lithium Iron Phosphate -​ 20Ah Prismatic Pouch Cell

20Ah Prismatic Pouch Cell
A123 Systems Batteries
Lithium Iron Phosphate
3.3
19.5Ah
Spec Sheet
Add to Quote

Lithium Iron Phosphate -​ 20Ah Prismatic UltraPhosphate Pouch Cell

20Ah Prismatic UltraPhosphate Pouch Cell
A123 Systems Batteries
Lithium Iron Phosphate
3.3
20Ah
Spec Sheet
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Lithium Iron Phosphate -​ 8Ah Prismatic Pouch Cell

8Ah Prismatic Pouch Cell
A123 Systems Batteries
Lithium Ion Polymer
3.3
8Ah
Spec Sheet
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Lithium Iron Phosphate -​ ANR26650

ANR26650
A123 Systems Batteries
Lithium Iron Phosphate
3.3
2.5Ah
Spec Sheet
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Lithium Iron Phosphate -​ K218650UPO1

K218650UPO1
K2 Energy Batteries
Lithium Iron Phosphate
3.3
1.35Ah
Spec Sheet
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Lithium Iron Phosphate -​ K2B3V41P

K2B3V41P
K2 Energy Batteries
Lithium Iron Phosphate
3.2
41.6Ah
Spec Sheet
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Lithium Iron Phosphate -​ K2B3V51E

K2B3V51E
K2 Energy Batteries
Lithium Iron Phosphate
3.2
51.2Ah
Spec Sheet
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Lithium Iron Phosphate -​ K2B3V73P

K2B3V73P
K2 Energy Batteries
Lithium Iron Phosphate
3.2
72.8Ah
Spec Sheet
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Lithium Iron Phosphate -​ K2B3V90E

K2B3V90E
K2 Energy Batteries
Lithium Iron Phosphate
3.2
89.6Ah
Spec Sheet
Add to Quote

Lithium Iron Phosphate -​ LFP18650E

LFP18650E
K2 Energy Batteries
Lithium Iron Phosphate
3.2V
1.5Ah
LFP18650E.pdf
Add to Quote

Lithium Iron Phosphate -​ LFP18650P

LFP18650P
K2 Energy Batteries
Lithium Iron Phosphate
3.2V
1.25Ah
LFP18650P.pdf
Add to Quote

Lithium Iron Phosphate -​ LFP26650EV

LFP26650EV
K2 Energy Batteries
Lithium Iron Phosphate
3.2V
3.2Ah
LFP26650EV.pdf
Add to Quote

Lithium Iron Phosphate -​ LFP26650P

LFP26650P
K2 Energy Batteries
Lithium Iron Phosphate
3.2V
2.6Ah
LFP26650P.pdf
Add to Quote

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Lithium Iron Phosphate Battery Pros and Cons

LFP cells and batteries use a lithium-ion-derived chemistry that shares many of the same advantages and disadvantages with other lithium ion battery chemistries.

One advantage over other lithium-ion batteries is the superior thermal and chemical stability, which provides better safety characteristics than lithium-ion batteries that utilize other cathode materials.  Lithium iron phosphate cells are said to be virtually incombustible in the event of mishandling during charge or discharge, and can handle higher temperatures without significant damage. Other major advantages for LiFePO4 when compared with other Li-ion chemistries are higher rate discharge capability and longer cycle life.  

LFP batteries have some deficiencies.  The energy density both by energy and volume is somewhat lower than that of LiCoO2 cells and batteries. Battery manufacturers everywhere continue to work diligently to find new ways to maximize the energy and storage performance and reduce the size & weight of all battery chemistries.  

While LiFePO4 cells have lower voltage and energy density than other Li-ion cells, this disadvantage is offset over time by the slower rate of capacity loss (greater calendar-life) of LiFePO4 when compared with other lithium-ion battery chemistries (such as LiCoO2 cobalt or LiMn2O4 manganese spinel).  

Like other lithium ion cells, LFP cells can be specially formulated to provide either better power or energy characteristics depending on whether a longer run time or high rate discharge is more desirable.  

Custom Lithium Iron Phosphate Battery Packs

LFP cells and batteries have been popular choice for electric vehicles (cars, trucks, and motorcycles) because of their fast-charge/hi-rate discharge capability and long cycle/calendar life.  Power tool manufacturers have also adopted the LFP chemistry for the same reasons.  Medical manufacturers and Defense contractors are adopting the LFP chemistry for its inherent safety.

  • Cell Voltage: 3.2V (nominal)
  • Capacity: 1Ah to 20Ah+
  • Energy by Weight: 90+ Watt Hour/Kilogram
  • Energy by Volume: 220 Watt Hour/cubic centimeter
  • Discharge Characteristics: Power cells are hi-rate capable
  • Cycle Life: 2000 to 7000 cycles.
  • Self Discharge: ≤3% month
  • Temperature Range: -40° C to +60° C
  • Preferred Charge Methods: CC/CV to
  • Sizes: 18650, 26650, and large prismatic
  • Applications: Electric Vehicles, Power Tools, Medical, Military
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