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Lithium Iron Phosphate

Lithium iron phosphate (LFP) batteries are a variety of rechargeable lithium-ion battery. These batteries use LiFePO4 as their cathode material, instead of the LiCoO2 design more common to battery packs in consumer electronic devices. LFP batteries are different than other lithium-ion batteries in several ways, and offer several distinct advantages.

Although lithium iron phosphate batteries have lower energy density than other lithium-ion chemistries, they provide better power density and longer life cycles. LFP batteries also have higher current (peak-power) ratings than LiCoO2 batteries, and a lower self-discharge rate than LiCoO2. LFP batteries experience a slower rate of capacity loss than other lithium-ions when not in use.

LFP batteries’ LiFePO4 cathodes also offer the safety advantage of having more thermal and chemical stability than LiCoO2 cathodes. Because of stronger chemical bonds between the elements involved, oxygen atoms are not as readily removed from LFP cathodes due to abuse (overheating, short circuiting, etc.). In similar circumstances, LiCoO2 batteries undergo non-linear expansion that affects the structural integrity of the cell. Oxygen loss in LiCoO2 cells also leads to exothermic reactions which can in turn lead to ignition in the event of mishandling.

Product Name  Model  Manufacturer  Chemistry  Voltage  Capacity  PDF   
Lithium Iron Phosphate -​ K2B3V41P

K2B3V41P
K2 Energy Batteries
Lithium Iron Phosphate
3.2
41.6Ah
Spec Sheet
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Lithium Ion Phosphate -​ K214500PO2

K214500PO2
K2 Energy Batteries
Lithium Iron Phosphate
3.3
500mAh
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 -​ K2B12V10EB

K2B12V10EB
K2 Energy Batteries
Lithium Iron Phosphate
12.8V
9.6Ahr
K2 B12V10EB.pdf
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Lithium Iron Phosphate -​ K2B12V19EB

K2B12V19EB
K2 Energy Batteries
Lithium Iron Phosphate
12.8V
19Ah
K2B12V19EC.pdf
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Lithium Iron Phosphate -​ K2B12V7EB

K2B12V7EB
K2 Energy Batteries
Lithium Iron Phosphate
12.8V
6.4Ahr
K2B12V7EB.pdf
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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
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Lithium Iron Phosphate -​ LFP123A

LFP123A
K2 Energy Batteries
Lithium Iron Phosphate
3.2V
600mAh
LFP123A.pdf
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