The lithium-ion phosphate batteries, available in 3.2V with capacities of 280Ah, find extensive utility across various domains. These applications encompass photovoltaic (PV) charging systems, do-it-yourself (DIY) PV household battery energy storage systems (BESS), utility vehicles, electric vehicles (EVs), and more. We are committed to ensuring top-notch quality in our battery products through meticulous testing procedures. Our aim is to forge a strong connection between customer satisfaction and the superior build quality we offer.
Advantages of Lithium Iron Phosphate (LiFePO4) Batteries
Environmental Friendliness: These batteries have low toxicity due to their materials (iron, graphite, phosphate).
Long Cycle Life: They offer an impressive cycle life of 4000 to 6000 cycles.
Wide Temperature Range: Suitable for operation in temperatures up to 70°C.
Low Resistance: Minimal internal resistance ensures stability over time.
Reliable Performance: Provides consistent power output throughout discharge.
Easy Recycling: These batteries are easily recyclable for sustainable energy solutions.
Advanced Communication: Equipped with RS485 and RS232 for data exchange and monitoring.
Our LiFePO4 battery lineup is tailored to meet the demands of challenging applications that necessitate lightweight, long-lasting, high-capacity, and exceptionally safe energy storage solutions. Features include cutting-edge Battery Management Systems (BMS), Bluetooth and CAN bus communication, as well as active intelligent monitoring capabilities.
Accessory specifications Busbars: 90*20*2mm or 100*20*2mm
(We offer two options for busbars; for additional details, please contact us.)
Screw Size: M6
1 Battery Kit: Includes 1 busbar, 2 nuts, and 2 screws
For 4 Battery Kits: You'll receive 4 busbars, 8 nuts, and 8 screws.
(If you require more, please reach out to us via our online support.)
Notes.
Please refrain from immersing the battery in water.
Ensure correct polarity when inserting batteries; align the (+) and (-) properly.
Avoid disassembly, disposal in fire, exposure to heat, or short-circuiting.
Limit battery exposure to prolonged sunlight.
Avoid mixing new batteries with used ones.
Keep batteries out of reach of children.
Usage Precautions
To ensure the proper utilization of our batteries, please follow these guidelines:
Read the Manual: Prior to usage, carefully read the provided manual to ensure safe and effective operation.
Avoid Hazards: Never expose the battery to fire, dispose of it in fire, or connect it to chargers or equipment with incorrect terminals.
Prevent Short Circuits: Take care to avoid short-circuiting the battery.
Handle with Care: Prevent excessive physical shock or vibration and refrain from disassembling or deforming the battery.
Keep Away from Children: Store the battery out of the reach of children.
Charging and Discharging
Appropriate Charger: Charge the battery exclusively with the appropriate charger.
Avoid Modified or Damaged Chargers: Never use modified or damaged chargers.
Timely Charging: Do not leave the battery in the charger for over 24 hours.
Storage Ideal Storage Conditions: Store the battery in a cool, dry, and well-ventilated area.
Disposal Adherence to Regulations: Dispose of the battery in accordance with local regulations, as regulations may vary from one region to another.
All batteries are grade a branded, including CATL, HIGEE, LISHEN, EVE, AVIC, SVOLT, BYD, YinLong, GOTION.
As a professional lithium battery cell supplier, we have ample stock available. Our batteries undergo rigorous quality testing to ensure top-notch product quality. Furthermore, we maintain our own overseas inventory to ensure efficient logistics.
We package lithium battery cells with top and bottom cushioning using foam to secure the product in place during transportation, preventing any damage.
Tags:
Model NO.
NG280
Nominal Capacity(AH)
280AH
Nominal Voltage(V)
3.2V
Standard Charge Current(A)
0.5C
Maximum Charge Current(A)
1C
Impedance(Ω)
0.2mΩ
Max. Discharge Current(A)
2C
Max.Charge Voltage(V)
3.65V
Discharge Cut-off Voltage(V)
2.5V
Charge Working Temp.(ºC)
0~55ºC
Discharge Working Temp.(ºC)
-20~55ºC
Cycle Life
6000 Cycles
Size
170*205*70mm
1.1 Capacity & Energy
Test Condition: 25℃, 0.5P CP to 3.65V, Rest 30 min; 0.5P DP to 2.5V, Rest 30 min;
Minimum discharge capacity is 280Ah @25℃, 0.5P
Minimum discharge energy is 896Wh @25℃, 0.5P
1.2 Rate Discharge Energy @ 25℃
Test Condition: (1) Rest 30 min at 25℃; (2) 0.5P CP to 3.65V; (3) Rest 30min; (4) 0.25P CP to 3.65V ;(5) n*P DP to 2.5V(n=0.167,0.25,0.5); (5) Repeat step 1 to step 4 until all the rates are tested; (6) Rest 30min.
Rate Discharge Performance
Rate
0.167P
0.25P
0.5P
Energy Rate
100.0%
99.03%
97.55%
Temp. Rise(℃)
1.3
1.4
3.7
1.3 Rate Charge Energy @ 25℃
Test Condition: Charge condition: n*P CP to 3.65V, (n=0.167,0.25,0.5) Discharge condition: 0.5P DP to 2.5V
Rate Discharge Performance
Rate
0.167P
0.25P
0.5P
Energy Rate
100%
99.84%
99.94%
Temp. Rise(℃)
0
1.3
4.0
1.4 High & Low Temp. Energy
Test Condition: XX℃，0.25P CP to 3.65V (XX=25℃, 60℃, 45℃, 5℃, 0℃, -10℃, -20℃,); Discharge condition: 0.25P DP to 2.0V
High/Low Temp Discharge Performance
Temp. (℃)
25℃
60℃
45℃
5℃
0℃
-10℃
-20℃
Energy Rate
100.0%
100.1%
98.4%
86.0%
79.3%
66.5%
53.0%
Temp. Rise(℃)
1.7
1.0
1.2
3.5
3.9
5.1
6.3
1.5 Internal Resistance (DCR) & HPPC Power
Test Condition: Discharge@ 560A DC 30s, Charge@ 420A CC 30s
DCR for 30s pulse discharge is 0.44mohm@25℃, 50%SOC
DCR for 30s pulse charge is 0.48mohm@25℃, 50%SOC
30s Pulse discharge power is 4541W@ 25℃, 50% SOC
30s Pulse charge power is 2905W@ 25℃, 50% SOC
Note: Power is calculated from DCR based on Freedom Bus/Car method, Discharge cut off voltage≥2.5V, charge cut-off voltage≤3.65V
1.6 Cycle Performance
Test Condition： 25℃/45℃，2.5V~3.65V(100%DOD), 0.5P/0.5P Cycle
Test condition: 25℃，0.33C CC to 3.65V，CV to 0.05C，Stand by 3h，OCV test； 0.33C DC to 95%SOC, Rest 3h test OCV; Test OCV per 5% SOC.
SOC
100%
95%
90%
85%
80%
75%
70%
65%
60%
55%
50%
45%
40%
35%
30%
25%
20%
15%
10%
5%
0%
Voltage (V)
3.386
3.332
3.331
3.330
3.330
3.329
3.329
3.327
3.303
3.293
3.290
3.289
3.288
3.288
3.283
3.264
3.250
3.230
3.205
3.182
2.893
1.8 CC OCV-SOC Curve
Test condition: 25℃，0.33C DC to 2.5V，Stand by 3h，OCV test； 0.33C CC to 5%SOC, Rest 3h test OCV; Test OCV per 5% SOC.
SOC
0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
50%
55%
60%
65%
70%
75%
80%
85%
90%
95%
100%
Voltage (V)
2.874
3.193
3.225
3.252
3.278
3.297
3.297
3.305
3.306
3.307
3.309
3.311
3.317
3.342
3.342
3.342
3.342
3.342
3.342
3.341
3.352
Household Solar Energy System: LiFePO4 battery cells provide exceptional safety, durability, and efficiency, making them a reliable and eco-friendly choice for home solar power. They enable energy independence, backup during outages, and cost savings for homeowners.
Portable Electronics: These batteries power a wide array of portable devices, including smartphones, laptops, tablets, and digital cameras. Their lightweight design is well-suited for these applications, offering high power in a compact package.
Business & Commercial: LiFePO4 batteries are commonly employed in business and commercial applications, including alarm systems, solar panel systems, and security lighting, ensuring dependable power supply.
Marine Applications: With their lightweight and high-power capabilities, LiFePO4 batteries are the preferred choice for propelling fishing boats and kayaks.
Industrial Settings: LiFePO4 batteries excel in industrial environments due to their ability to endure high temperatures and maintain charge over extended periods. They are the ideal choice for powering machinery and equipment in such settings.
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