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Home > Headway LiFePO4 Battery>Headway 40146L 20ah LiFePO4 Battery Cell

Headway 40146L 20ah LiFePO4 Battery Cell

Headway LiFePO4 Battery
Headway 40146L 3.2 v 20ah LiFePO4 Battery cylindrical lfp Cell
Description

Rated capacity:

Rated capacity =20Ah, the capacity obtained when a cell is discharged at 5-hour rate to voltage 2.0 V at 25±2.5 OC.

 

Standard charge method:

At 25±2.5 OC, charged to 3.65V at a constant current of 0.5C, and then, charged with constant voltage of 3.65V until the charged current drops below 0.01C.

 

Standard discharge method:

At 25±2.5 OC, discharged to 2.5 V at a constant current of 1C.

 

 

 

Cell bar code and appearances

*Cell bar code and appearances




 

ITEM

SPECIFICATION

Nominal capacity

20Ah @ 0.2C

Minimum capacity

19.5Ah @ 0.2C

Nominal voltage

3.2V

Max Charging voltage

3.65 ±0.05 V

Discharge ending voltage

2.5 ±0.05 V

Charge current

Standard charge: 0.5C

Max charge: 2C when T≥10 O ¡æ

Max charge: 1C when 10¡æ≥T≥0 ¡æ

Max charge: 0.1C when 0¡æ≥T≥-10 ¡æ

Discharge current

Standard discharge: 1C

Max discharge: 3C

Max instant discharge: 6C

Recommended charge and discharge

cell surface temperature

Charge: 0¡«45  ¡æ Discharge: -20¡«60  ¡æ

Maximum allowable charge and discharge cell surface temperature. Charging and discharging at these conditions will shorten cell cycle life.

Charge: 60 ¡æ
Discharge: 75  ¡æ

Humidity range

0¡«90%RH (none condensing)

Internal resistance

≤4mOhm (AC Impedance, 1000HZ)

Cell dimension

Height: 146mm Max Diameter: 41mm Max

Weight

445±10g



 

discharge curve at different rate discharge curve at different temerature

 

cycle life curve

 

Applications:

Our Lithium Ion Phosphorus Batteries are versatile and can be used in various applications, including:

Electric cars: Our Lithium Ion Phosphorus Batteries are ideal for use in electric cars thanks to their high energy density, fast charging, and long lifespan. This ensures that the car remains efficient and reliable, reducing the cost of ownership and increasing the range of the car.
Solar energy systems: Our Lithium Ion Phosphorus Batteries are also ideal for use in residential and commercial solar energy systems, thanks to their high energy density, fast charging, and long lifespan. This ensures that the system remains efficient and reliable, reducing the reliance on grid power and increasing the return on investment.
Portable devices: Our Lithium Ion Phosphorus Batteries are perfect for use in portable devices such as smartphones, tablets, and laptops, thanks to their lightweight nature, high energy density, and fast charging. This ensures that the devices remain efficient and reliable, increasing productivity and reducing downtime.
Power tools: Our Lithium Ion Phosphorus Batteries are ideal for use in power tools, thanks to their high discharge rate and long lifespan. This ensures that the tools remain efficient and reliable, reducing downtime and increasing productivity.


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