News:

  • Product Name: Custom LiFePO4 Battery Packs
  • Subtitle:
  • E&J 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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OUR ADVANTAGES


(1) Utilization of top quality cells

(2) Custom designed, molded plastic enclosures
(3) Standard pack design or SMBus solutions
(4) High volume or low quantity production capabilities



ADVANTAGE AND DISADVANTAGE OF LIFEPO4 BATTERY


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 LIFEPO4 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 Cylindrical/prismatic cell



APPLICATION


1) Medical: Lifts, Beds, Cart Batteries
2) UPS Systems
3) Mobility: E-bikes, Wheelchairs, Scooters
4) Telecom: Tower Backup, Cable/Fiber Node Backup
5) Toys / Hobbies
6) Data Centers: IT Server and Storage Power Backup
7) SCADA: Supervisory Control & Data Acquisition
8) Security: Cameras, Lights, Battery Backup
9) RTU’s: Remote Terminal Units
10) Solar and renewable energy storage





See some of E&J LiFePO4 battery packs:

 

  Specification:
Model: IFR14500
Nominal Voltage (V):3.2
Nominal Capacity (mAh):500
Type: Cylindrical LiFePO4 Batteries pack
Max Charge current(mA):500
Max discharge current(mA):1000
Size (mm):14.0*50
Weight(g): 18

 

 

Specification:
Model: EJ1204.5Fe
Voltage(V):12(12.8)
Capacity(Ah):4.5
Type:Cylindrical LiFePO4 battery
Maximum Charge Current(A): 4.5
Continuous Discharge Current(A):7
Size(mm):114*39*68(L*W*H)

Weight(kg):0.6


 

  Specification:
Model: EJ1212Fe
Voltage(V):12(12.8)
Capacity(Ah):12
Type:Cylindrical LiFePO4 battery
Maximum Charge Current(A): 6
Continuous Discharge Current(A): 12
Size(mm): 151×98×95(L*W*H)
Weight(kg):1.3

 


  Specification:
Model: EJ12100Fe
Voltage(V):12(12.8)
Capacity(Ah):100
Type:LiFePO4 battery
Maximum Charge Current(A): 100
Continuous Discharge Current(A):100
Size(mm):390*170*310(L*W*H)
Weight(kg):22.0

 


 

  Specification:
Model: EJ12200Fe
Voltage(V):12(12.8)
Capacity(Ah):200
Type:LiFePO4 battery
Maximum Charge Current(A): 100
Continuous Discharge Current(A):100
Size(mm):430*290*310(L*W*H)
Weight(kg):35.0 

 


 

  Specification:
Model: EJ12300Fe
Voltage(V):12(12.8)
Capacity(Ah):300
Type:LiFePO4 battery
Maximum Charge Current(A): 100
Continuous Discharge Current(A):100
Size(mm):550*250*360(L*W*H)
Weight(kg):50.0

 


 

  Specification:
Nominal Capacity(Ah):20Ah± 5%
Nominal Voltage(V):24V
Standard Charge Current(C):0.2
Max Charge Current(C):0.5
Charge cut-off Voltage(V):29.4±0.3
Standard Discharge Current:(C):0.5
Max Discharge Current(C):2
Discharge cut-off Voltage(V):19.2
Pack Voltage(V):25~28
Pack Impedance(mΩ) :< 80
Weight(kg):Approx:4.5
Dimension(mm):78×180×340mm