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Shenzhen Topband New Energy Co.,Ltd
A professional manufacturer of LiFePO4 battery / lithium iron phosphate, decicated to designing, researching, manufacturing, and exporting LiFePO4 batteries( cell & pack & energy storage system) to
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Pollution - Free Lifepo4 Prismatic Battery , Solar Battery Lithium Iron Phosphate

Shenzhen Topband New Energy Co.,Ltd
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Shenzhen Topband New Energy Co.,Ltd
Country/Region: China
Tel: 86-755-27651888-8008
Contact Person:
Mr Jerry Yang

Pollution - Free Lifepo4 Prismatic Battery , Solar Battery Lithium Iron Phosphate

Brand Name : Topband
Model Number : TB-027070169D-Fe-27Ah
Certification : CE/UN38.3/MSDS/UL
Place of Origin : China
MOQ : 500pcs
Price : Negotiable
Payment Terms : L/C, T/T
Supply Ability : 450Mwh/year
Delivery Time : 2~4weeks for samples; 4~6weeks for mass production
Packaging Details : standard export carton
Material : LiFePO4
Norminal voltage : 3.2V
Norminal capacity : 27Ah
Internal Impedance : ≤8.0mΩ
Weight : 680g
Cycle life : ≥2000 (100% DOD)
Warranty : 2 years
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Pollution - Free Lifepo4 Prismatic Battery , Solar Battery Lithium Iron Phosphate

1. LiFePO4 battery cells 3.2V 27Ah advantage

  • High energy density
  • High working voltage for single battery cells
  • Pollution-free
  • Long cycle life
  • No memory effect
  • Capacity, resistance, Voltage, platform time consistency is good
  • With short-circuit production function, safe and reliable
  • Factory price & High quality
  • Good consistency, low self discharge
  • Light weight, small size
  • High discharge rate
  • Quality and security guaranted,with CE,ROHS approval.
  • The lifepo4 battery pack is widely used for electric bicycle,golf car,electric bike,electric wheelchair,power tools,electric scooter,emergency light,etc

2. LiFePO4 battery cells 3.2V 27Ah Specification

ItemSpecificationRemark
5.0 Nominal Capacity27Ah25±5℃,1C discharge capacity
5.1 Typical Capacity27.5Ah
5.2 Internal Impedance≤8.0mΩBy AC 1KHz
5.3 Nominal Voltage3.20V
5.4 Cell Weight680±20g
5.5 End-of-charge Voltage3.65VAt CC mode
5.6 End-of-charge Current0.05CAt CV mode
5.7 End-of-discharge Voltage2.00V
5.8 Charge Method1C CC/CV
5.9 Quick Charge Method2C CC/CV
5.10 Max Continuous Discharge current3CContinuous Discharge Time: 18 minutes
5.11 Max pulse Discharge Current5CContinuous Discharge Time: 10 seconds
5.12 Cycle Life≥2000cycles

0.5C Continual Discharge: ≥80%
(100% DOD)

5.13 Operating
Temperature Range

Charging Temperature0~45℃Ambient temperature:25℃±5℃
Discharging Temperature-20~55℃Ambient temperature: 25℃±5℃
Storage Temperature-10~30℃Recommended temperature range for long term storage is -10~ 30℃
5.14 Shelf Life2 yearWarranty since the date of the shipment
5.15 AppearanceWithout break, scratch, distortion, contamination, leakage and so on

3. LiFePO4 battery cells 3.2V 27Ah

Test itemTest MethodCriteria

3.1
High
Temperature
Performance

The cell was charged in accordance with 6.2, and stored in an ambient temperature of 55℃±3℃ for 5h, then discharged to cut-off voltage at a constant current of 1C. After that, fetch out the cell and place it in the ambient temperature of 25℃±5℃ for 4h then check its appearance.

1.Capacity retention:≥90%;
2. No distortion, no rupture.

3.2
Low
Temperature
Performance

The cell was charged in accordance with 6.2,and stored in an ambient temperature of -20℃±3℃ for 24 hours, then discharged to cut-off voltage 1.8V at a constant current of 1C. After that, fetch out the cell and place it in the ambient temperature of 25℃±5℃ for 4hours, then check its appearance. Recommended cut-off voltage to 1.8V.

1.Capacity retention:≥70%;
2.Nodistortion,no rupture

3.3
2C Normal Charge Performance

In an ambient temperature of 25℃±5℃
a. Discharged at a constant current of 1C until the voltage is 2.0V, standing for 1h.
b. Charged at a constant current of 2C until the voltage is 3.65V, standing for 1h.
c. Discharged at a constant current of 1C until the voltage is 2.0V.

Capacity retention:≥80%

3.4
3C Normal Discharge Performance

The cell was charged in accordance with 6.2, then discharged to cut-off voltage at a constant current of 3C in an ambient temperature of 25℃±5℃. After that,fetch out the cell and place it in the ambient temperature of 25℃±5℃for 4h, then check its appearanceCapacity retention:≥90%

3.5
Capacity
Retention

The cell was charged in accordance with 6.2, and stored in an ambient temperature of 25℃±5℃ for 28days, then discharged to cut-off voltage at a constant current of 1C.Capacity retention:≥85%

3.6
Cycle Life
(25℃±5℃)

The cell was charged to cut-off voltage with current 0.5C, and then charged with constant voltage of 3.65V until the charge current is less than 0.05C, after that stored for 20min; Subsequently, the cell was discharged to cut-off voltage with constant current 1C, and stored 30 min; prior to next charge-discharge cycle. The cell shall be continuously charged and discharged for 2000 times.capacity retention:≥80%


4. LiFePO4 battery cells 3.2V 27Ah dimension


5. Our service

  • Customized is allowed;
  • Support imprint your logo on products;
  • OEM
  • Products have proceeded comprehensive testing before shipment


6. Certification




























Product Tags:

Lifepo4 Battery Pack

      

Lithium Iron Phosphate Cells

      
China Customized Inflatable Bumper Ball Game Bubble Adult Grass CE supplier

Pollution - Free Lifepo4 Prismatic Battery , Solar Battery Lithium Iron Phosphate Images

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