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Lightweight Rechargeable Lifepo4 Battery , Lifepo4 Energy Storage System 3.2V 27Ah

Good quality Deep Cycle Lithium Battery for sales
Good quality Deep Cycle Lithium Battery for sales
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Lightweight Rechargeable Lifepo4 Battery , Lifepo4 Energy Storage System 3.2V 27Ah

China Lightweight Rechargeable Lifepo4 Battery , Lifepo4 Energy Storage System 3.2V 27Ah supplier

Large Image :  Lightweight Rechargeable Lifepo4 Battery , Lifepo4 Energy Storage System 3.2V 27Ah

Product Details:

Place of Origin: China
Brand Name: Topband
Certification: UL, MSDS
Model Number: TB-027070169D-Fe-27Ah

Payment & Shipping Terms:

Minimum Order Quantity: 1000pcs
Price: Negotiable
Packaging Details: standard export carton
Delivery Time: 2~4weeks for samples; 4~6weeks for mass production
Payment Terms: L/C, T/T
Supply Ability: 450Mwh/year
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Detailed Product Description
Chemistry: LiFePO4 Norminal Voltage: 3.2V
Norminal Capacity: 27Ah Weight: 680g
Dimension: 70x27x169mm Cycle Life: ≥2000 (100% DOD)
Internal Impedance: Less Than 6.0mΩ Warranty: 2 Years

3.2V 27Ah Rechargeable Lifepo4 Battery / Lifepo4 Energy Storage System

1. LiFePO4 Battery Cells 3.2V 27Ah Specification

Item Specification Remark
5.0 Nominal Capacity 27Ah 0.5C discharge capacity
5.1 Typical Capacity 27.5Ah
5.2 Internal Impedance ≤8.0mΩ By AC 1KHz
5.3 Nominal Voltage 3.20V  
5.4 Cell Weight 680±20g containing package
5.5 End-of-charge Voltage 3.65V At CC mode
5.6 End-of-charge Current 0.05C At CV mode
5.7 End-of-discharge Voltage 2.00V  
5.8 Charge Method 0.5C CC/CV 180 min
5.9 Quick Charge Method 1C CC/CV 90 min
5.10 Max Continuous Discharge current 3C Continuous Discharge Time: 18 minutes
5.11 Max pulse Discharge Current 5C Continuous Discharge Time: 10 seconds
5.12 Cycle Life ≥2000cycles

0.5C Continual Discharge: ≥80%

(100% DOD)

5.13 Operating

Temperature Range

Charging Temperature 0~45℃

Ambient temperature:25℃±5℃

Cell exterior temperature must be <65℃

Discharging Temperature

-20~55℃

 

Ambient temperature: 25℃±5℃

Cell exterior temperature not exceed 80℃

Storage Temperature -20~35℃ Recommended temperature range for long term storage is –10~ +30°℃
5.14 Shelf Life 2 year  
5.15 Appearance Without break, scratch, distortion, contamination, leakage and so on

2. LiFePO4 Battery Cells 3.2V 27Ah Electrical Characteristics & Test Condition

@Ambient Temperature 25±5℃ & Humidity 45%~75%.

 

Test item Test Method Criteria

1. High

Temperature

Performance

A cell is charged in accordance with 6.2, and stored in an ambient temperature of 55℃±2℃ for 4 h,then discharged to cut-off voltage at a constant current of 0.5C. After that, fetch out the cell and place it in the ambient temperature of 23℃±2℃ for 4 h, then check its appearance.

1.Capacity retention:≥95%;

2. No distortion, no rupture.

2. Low

Temperature

Performance

A cell is charged in accordance with 6.2,and stored in an ambient temperature of -20℃±2℃ for 20hours,then discharged to cut-off voltage at a constant current of 0.5C. After that , fetch out the cell and place it in the ambient temperature of 23℃±2℃for 4hours, then check its appearance.

1.Capacity retention:≥60%;

2.Nodistortion,no rupture

3. 1C Normal Discharge Performance A cell is charged in accordance with 6.2, then discharged to cut-off voltage at a constant current of 1C in an ambient temperature of 23℃±2℃. After that,fetch out the cell and place it in the ambient temperature of 23℃±2℃for 4h, then check its appearance Capacity retention:≥95%
4. 2C Normal Discharge Performance A cell is charged in accordance with 6.2, then discharged to cut-off voltage at a constant current of 2C in an ambient temperature of 23℃±2℃. After that,fetch out the cell and place it in the ambient temperature of 23℃±2℃for 4h, then check its appearance Capacity retention:≥90%

5. Capacity

Retention

A cell is charged in accordance with 6.2, and stored in an ambient temperature of 23℃±2℃ for 28d, then discharged to cut-off voltage at a constant current of 0.5C. Capacity retention:≥80%

6. Cycle Life

(23℃±2℃)

A cell is charged to end-of-charge voltage at a current of 0.5C, and then charged at a constant voltage of 3.65V until the charge current is less than 0.05C, after that stored for 20min; Subsequently, the cell is discharged to cut-off voltage at a constant current of 0.5C, and stored 30min; prior to next charge-discharge cycle. The cell shall be continuously charged and discharged for 2000 times. capacity retention:≥80%

 

3. LiFePO4 Battery Cells 3.2V 27Ah Feature

  • Safe:Rigid aluminum alloy housing protection, BMS or PCB built inside to protect the battery over charge or discharge.
  • Environmental-friendly: Accredited with RoHS, without any hazardous and noxious substances.
  • Lighter and smaller: 1/3 weight of lead acid battery, 70% size/weight of Ni-MH/Ni-Cd battery.
  • Powerful: Able to discharge at -20 and 65°C max.
  • Long cycle life: Over 2000 cycles with capacity staying at minium 80%. Lead battery and other Li-ion batteries only have 300-500 cylces, such as Ni-Cd battery, Ni-MH battery.
  • Wide temperature range: Available for use when the temperature ranges from -20°C to 70°C.
  • Quality assurance: BV and SGS approved supplier, with TS16949 and ISO9001 quality management certificates and UL, CE, IEC62133, RoHS certificates.

4.LiFePO4 Battery Cells 3.2V 27Ah dimension 

Lightweight Rechargeable Lifepo4 Battery , Lifepo4 Energy Storage System 3.2V 27Ah

 

 

5. Storage & Transportation

  • Based on the character of cell, proper environment for transportation of LiFePO4 battery pack need to be created to protect the battery.
  • Battery should be stayed in the ware house -20℃~35℃ where it’s dry, clean, shade, and well-ventilated.
  • The battery should be stored in 50% SOC during transportation.
  • The battery need to be charged every 6 months if out of use.
  • Keep the battery against dropping, turning over and serious stacking during loading.

6. Warning & Tips

Please read and follow the specification and caution remarks on battery surface before use the battery. Improper use may cause heat, fire, rupture, damage or capacity deterioration of the battery. Shenzhen Topband Battery Co., Ltd. Describes is not responsible for any accidents caused by the usage without following our specification.

 

7. Application

Lightweight Rechargeable Lifepo4 Battery , Lifepo4 Energy Storage System 3.2V 27Ah

 

 

Contact Details
Shenzhen Topband Battery Co., Ltd

Contact Person: Jerry Yang

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