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China New Energy Battery Brand New Grade A 3.2V 280Ah LiFePO4 Battery Cells With QR Code
| Technical Parameter | |||
| Item | Parameter | Remark | |
| Nominal capacity | 280.0 Ah | (25±2)℃，Standard charge and discharge | |
| Typical Voltage | 3.2 V | ||
| AC Impedance Resistance(1KHz) | ≤0.25 mΩ | ||
| Standard charge and discharge |
Charge / discharge current | 0.5 C/0.5 C | |
| Cut off voltage of charge / discharge | 3.65 V/2.5 V | ||
| Maximum charge / discharge current | Continuous charge / discharge | 1 C/1 C | According to continuous / pulse charge and discharge ammeters |
| Pulse charge / discharge (30s) | 2 C/2 C | ||
| Recommended scope of SOC | 10%～90% | N.A. | |
| Charging Temperature | 0 ℃～55 ℃ | According to continuous / pulse charge and discharge ammeters | |
| Discharging Temperature | -20 ℃～55 ℃ | ||
| Storage temperature | Short term (within 1 month) | -20℃～45℃ | N.A. |
| Long term (within 1 year) | 0℃～35℃ | ||
| Storage humidity range | ＜90% | ||
| Self-discharge rate per month | ≤3%/month | Temperature：(25±2)℃, Storage scope of SOC：30%~50%SOC | |
| Dimension | Width | 173.7 ±0.5 mm | |
| Thickness (under 300±20 kgf,30%～40% SOC ) | 72.0 ±1.0 mm | ||
| Average thickness (200 pcs, under 300±20 kgf, 30%～40% SOC ) | 72.0 ±0.5 mm | ||
| High（total） | 207.5 ±0.5 mm | ||
| High（subject） | 204.6 ±0.5 mm | ||
| Tabs Distance | 123.0±0.3 mm | ||
| Battery weight | 5.42±0.3 kg | ||
| Penetration | ≤ 2.5mm | ||
| Pulling force | 60-100kgf | ||
| Temperature of pole plastic part | ≤ 150℃ | Related to power and time | |
| The pressure on the pole | ≤ 700N | ||
| cycle life at 25℃ | ≥6000 cycle @0.5C/0.5C | ||
| cycle life at 45℃ | ≥2500 cycle @0.5C/0.5C | ||
Product Application:
Electric vehicle, RV, electric bicycles/scooters, golf carts, boats, trolling Motor, off-gird solar energy storage, and ESS.
Product Feature:
NOTE!
1. One Cell will come with 1 busbar, 2 screw caps, 2 shims for free. (e.g. 4 pcs Cells will come with 4 pcs busbars, 8 pcs screw caps and 8 pcs shims. )
2. Each cell shall be used under the strict monitor, control, and protection by the BMS.
3. 2. Before the first use, always charge the cells to full voltage. | Please refer to: LiFePO4 battery charging guide.
4. We will match (capacity, voltage, resistance) all cells before delivery.
5. The battery is suitable for DIY lovers with experience.
Specification:
Cell Brand: 3.2V280AH
Cell Model: LF280K
Chemistry: Lithium Iron Phosphate(LiFePO4 or LFP)
Nominal Voltage: 3.2V
Operational Voltage: 2.5 V – 3.65 V
Nominal Capacity: 280Ah
AC Impedance Resistance: ≤0.25mΩ
Cell Weight: 5.4±0.3kg
Cell Dimensions (mm): 207.5*72*173.7±0.5mm
Terminal: M6
Cycle Life: ≥6000 Cycles (Retention: ≥80%DOD)
Standard Charge and Discharge Charge/Discharge Current: 0.5C/0.5C
Standard Charge and Discharge Charge/Discharge Cut-off Voltage: 3.65V/2.5V
Continuous Charge/Discharge Current: 1C/1C
Pulse Charge/Discharge Current(60s): 1C/2C
Recommended SOC Window: 10%～90%
Charging Temperature: 0℃~55℃
Discharging Temperature: -20℃~55℃
Rest SOC: ≥5%
Waring statement:
1. CELLS ARE POTENTIALLY DANGEROUS AND PROPER PRECAUTIONS MUST BE OBSERVED IN HANDLING AND MAINTENANCE.
2. RUNNING TESTS ON THE CELLS IMPROPERLY MAY RESULT IN SEVERE PERSONAL BODY INJURY OR PROPERTY DAMAGES.
3. WORK ON CELLS MUST BE PERFORMED ONLY WITH PROPER TOOLS AND PROTECTIVE EQUIPMENT MUST BE USED.
4. CELL MAINTENANCE MUST BE CARRIED OUT BY PERSONNEL KNOWLEDGEABLE OF CELLS AND TRAINED IN THE SAFETY PRECAUTIONS INVOLVED.
*FAILURE TO OBSERVE THE ABOVE MAY CAUSE VARIOUS HAZARDS.
OMG, they look brand new!! Only one haves a tiny dent but the other 3 are almost flawless.. Very shiny gloss blue and no finger prints or scratches . I’m very impressed, great value and kinda heavy compared to my set overall I’m happy
