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Home > Hot Product>LF280K Brand New Module 3.2V 280Ah LiFePO4 Battery

eve 280ah lifepo4280ah lifepo4 cell

EVE Brand New Module: LF280K 3.2 V 280Ah LiFePO4 Battery Cell


Nominal Voltage:3.2V
Nominal capacity:280Ah
Working voltage:2.5V~3.65V
AC impedance resistance(1khz):≤0.25mΩ
Max. pulse charge / discharge current: 2C (30S)
Dimension: 207(H)*72(T)*173.7(W)mm
Weight: 5.42±0.3kg


Difference of LF280 and LF280K


1.Dimension(Height and
Tabs Distance)


Height:

LF280: 204.8*72*173.6mm VS LF280K: 
207*72*173.6mm

Tabs distance: 

LF280: 90±0.3mm,  LF280K: 123.0±0.3mm

2.Cycle Life

LF280: 3500cycles,   LF280K: 6000cycles

(Under the 300kgf clamp, after standard charged and 30mins rest, discharge to 2.5V cut-off with the current of 0.5CA at (25±2)℃, and then start the next cycle. end with the capacity decreasing to 80% of the initial capacity. The number of cycles is defined as the cycle life of the battery)

3. Max. charge / discharge current

LF280: 1C,  LF280K: 2C

Two-dimensional graphs of LF280K Battery


lifepo4 280ah

LF280K


Upgrade: Now we provide the new LF280k model with m6 threaded hole

Outline of cell and welding support

lf280k with m6 threaded holelf280k with m6 threaded hole


280ah LiFePO4 Battery coding rules


280ah lifepo4

General Technical Parameter




Item

Parameter

Nominal Capacity

280ah

Typical Voltage

3.2V

AC Impedance Resistance (1KHz)

≤0.25mΩ

Standard charge / discharge Current

0.5C

Cut off voltage of charge / discharge

3.65V / 2.5V

Max. continuous charge / discharge current

1C

Max. pulse charge / discharge current(30S)

2C

Recommended scope of SOC

10%~90%

Charging temperature

0~55℃

Discharging temperature

-20~55℃

Storage temperature Short-term (within 1 month)

-20~45℃

Storage temperature Long-term (within 1 year)

0~35℃

Storage humidity range

90%

Self-Discharge rate per month

≤3%/month

Dimension

207*72*173.7mm

Weight

5.42±0.3kg

Cycle life at 25℃

≥6000 cycles @0.5C


Electric Performance Curve





Cycle curve(charge/discharge: 0.5C/0.5C, 3.65V-2.5V)

 Cycle curve(charge/discharge: 0.5C/0.5C, 3.65V-2.5V)





Attentions


For safety usage, please be careful on below:


Warning!

1. Do not immerse the battery in water and keep it dry when not using;

2. Do not strike, throw or subject the battery near a fire or in extremely hot conditions;

3. Charge with specified charge according to charging requirement;

4. Do not reverse the positive (+) and negative (-) terminals;

5. Do not put the battery into a fire or apply direct heat to it;

6. Do not short-circuit the battery by connecting wires or other metal objects to the positive (+) and negative (-) terminals;

7. Do not ship or store the battery metal objects, such as necklaces, hairpins, etc;

8. Do not knock, throw, tread, bend, etc;

9. Do not directly solder the battery terminals;

10. Do not pierce the battery casing with a nail or other sharp object.





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