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EVE LF280K 3.2 V 280Ah LiFePO4 akumuliatorius B-Grade
Nominal Voltage:3.2VNominal
capacity:280AhWorking
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
Upgrade: Now we provide the new LF280k model with m6 threaded hole
Outline of cell and welding support
Welding Parameter of Al Busbar
- Laser Welding Depth: ≤2.5 mm
- Max Pressure Force on Terminals: 700 N
- Max Torque Force on Terminals: 6 N m
- Max Temperature on Terminals: 130℃
280ah LiFePO4 Battery coding rules
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)
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.
