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Top Grade Lifepo4 Prismatic Cells 48V 80A Quick Charge Mode For Electric Tricycle

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Top Grade Lifepo4 Prismatic Cells 48V 80A Quick Charge Mode For Electric Tricycle

Top Grade Lifepo4 Prismatic Cells 48V 80A Quick Charge Mode For Electric Tricycle
Top Grade Lifepo4 Prismatic Cells 48V 80A Quick Charge Mode For Electric Tricycle Top Grade Lifepo4 Prismatic Cells 48V 80A Quick Charge Mode For Electric Tricycle Top Grade Lifepo4 Prismatic Cells 48V 80A Quick Charge Mode For Electric Tricycle

Large Image :  Top Grade Lifepo4 Prismatic Cells 48V 80A Quick Charge Mode For Electric Tricycle

Product Details:

Place of Origin: China
Brand Name: TOPBAND
Certification: MSDS
Model Number: TB4880F-T106A

Payment & Shipping Terms:

Minimum Order Quantity: 10PCS
Price: negotiable
Packaging Details: standard export carton
Delivery Time: 2~3weeks for samples; 4~6weeks for mass production
Supply Ability: 450Mwh/year
Detailed Product Description
Material: Lifepo4 Nominal Voltage: 48~51V
Nominal Capacity: 80A Applicaiton: Electric Tricycle
Weight: 43.5±1kg Standard: MSDS
High Light:

lifepo4 prismatic cells


lithium iron phosphate cells





1. General Information

This specification defines the performance of rechargeable LiFePO4 battery pack TB4880F-T106A manufactured by TOPBAND Lithium battery,describe the type, performance, technical characteristics, warning and caution of the battery pack.


2. Specification(@Battery initial Temp25±5℃)

NO. Items Criteria Remarks
2.1 Rated Capacity 80Ah  
Minimum Capacity 76.8Ah  
2.2 Energy 3.84KWh  
2.3 Nominal Voltage 48~51V  
2.4 Internal resistance ≤20mΩ  
2.5 Limited charge voltage 54.7±0.2V  
2.6 Floating charge voltage 51.7±0.2V  
2.7 Standard charge current 50A  
2.8 Maximum charge current 50A  
2.9 Maximum discharge current 50A  
2.10 Pulse discharge current 100A/Continuous for 8s  
2.11 Discharge cut-off voltage 30.0~37.5V  



Dimension Length: 570±2 mm  
Width: 329±2 mm  
Height: 215±2 mm  
2.13 Weight Approx: 43.5±1kg  



Operating Temperature Charging:0~45℃
Recommended operating temperature:15℃~35℃
2.15 Self-discharge rate Residual capacity:≤3%/month;≤15%/year
Reversible capacity: ≤1.5%/month;≤8%/year
2.16 Storage Temperature & Humidity Range Less than 1 month:-20℃~45℃,45%RH~75%RH
Less than 3 months:-10℃~35℃,45%RH~75%RH

Recommended storage environment:


Long time storage:

If the battery need be stored for a long time, the voltage should be 49.5V (50%SOC), and stored in the condition as storage proposal. It need at least one charge & discharge cycle every six months.




3. Test Conditions

3.1 Standard Test Conditions

3.1.1 Unless otherwise specified, all performance tests is required conducted at temperature 25℃±2℃, Humidity less than 45%~75%RH.

3.1.3 Unless otherwise specified, the tested product is required unused within two month after outgoing.

3.2 Standard Charge Mode

"Standard Charge" means at 25±2℃ charge to limit voltage with 0.62C constant current, then charge with constant voltage until current less than 0.02C.

3.3 Quick Charge Mode

"Quick Charge" means at 25±2℃ charge to limit voltage with 0.62C constant current, then charge with constant voltage until current less than 0.02C.

3.4 Standard Discharge Mode

"Standard Discharge" means at 25±2℃ discharge to the cut-off voltage with 0.62C current.

3.5 Quick Discharge Mode

"Quick Discharge" means discharge to the cut-off voltage with 0.62C current.


4. Product Performance

NO. Items Criteria Testing method
4.1 Rated Capacity 80Ah Rest for 1 hour after fully charged, then discharge with 0.5C current until the battery reaches the discharge cutoff voltage. Repeat above process for three times, if the discharge time is not less than 120 minutes, you can stop and define the Discharging current*time value (Ah) as battery capacity.
4.2 Minimum Capacity 76.8Ah
4.3 Internal resistance ≤20mΩ 50% battery SOC state frequency of 1 KHZ ac resistance tester

Cycle life


≥2000cycle Discharge with the current of 0.5C until it can’t discharge, and then rest it for 1h. Charge the battery following CC(0.5C)/CV(54.7V) mode to full capacity, and then rest it for 1h. Repeat above process until full charged capacity is no more than 80% of normal value. Accumulated times is defined as cycle life.

Discharge Temperature


-20℃ ≥70% At 25±5℃ discharge the battery with the current of 0.5C to the cut-off voltage and record charge capacity. Store the battery at various temperatures for 2h and discharge the battery with 0.5C to the cut-off voltage.
-0℃ ≥80%
25℃ ≥100%
55℃ ≥95%
4.7 Charge Retention ability



Charge the battery to full capacity and store it for 28days, and then discharge it with 0.5C to the cut-off voltage.
Recovery capacity≥90%


5. Protective circuit specification

The batteries are supplied with a LiFePO4 Battery Management System (BMS)that can monitor and optimized each single prismatic cell during charge & discharge, to protect the battery pack overcharge, over discharge, short circuit. Overall, the BMS helps to ensure safe and accurate running.


NO. Items Content Specification
5.1 Over charge Over-charge protection for each cell 3.9±0.05V
Over-charge release for each cell 3.6±0.05V
Over-charge release method Under the release voltage
5.2 Over discharge Over-discharge protection for each cell 2.0±0.1V
Over-discharge release for each cell 2.7±0.1V
Over-discharge release method Charging recovery
5.3 Over current Discharge over current protection 160±10A,delay300±100ms
Over current release method release after cutoff the load.
5.4 Short Available Release after charge
5.5 Battery temperature Charge over temperature Protection @85±5℃
Release @70±5℃
Discharge over temperature Protection @85±5℃
Release @70±5℃
5.6 Static power Since the power consumption≤20mA; After discharge protection≤250uA

6. Dimensional Drawing (Unit: mm)


Top Grade Lifepo4 Prismatic Cells 48V 80A Quick Charge Mode For Electric Tricycle 0


7. 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 warehouse 15℃~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 droppoing, turning over and serious stacking during lodaing.


8. 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 NEW ENERGY CO.,LTD. Describes is not responsible for any accidents caused by the usage without following our specification.

  • The battery must be far away from heat source, high voltage, and avoid to be exposed in sunshine for long time.
  • Never throw the battery into water.
  • Do not put the battery in a charger or equipment with wrong terminals connected.
  • Never connect the positive and negative of battery with metal.
  • Avoid excessive physical shock or vibration. don't hit, fall, stamp on the battery
  • Without the permission of the manufacturer and guidance, forbidden to remove or to assemble the battery
  • Do not use the battery mixed with other different manufacturer, type, or model batteries.
  • Keep the battery against high temperature. Otherwise it will cause battery heat, get into fire or lose some function and reduce the life.
  • When battery run out of power, please charge your battery timely (≤15day).
  • Please use the matched or suggested charger for this battery.
  • If battery emit peculiar smell, heating, distortion or appear any abnormity during working or storage, please stop using and take it out from device.
  • If the battery leaks and get into the eyes or skin, do not wipe, instead, rinse it with clean water and see doctor immediately.
  • Please far away from children or pets.
  • Do not put disuse battery into a fire or water.
  • It is strictly prohibited any series between the battery packs. Any requirements on serials connection, please contact TOPBAND for details.

9. Battery operation instruction

Charge and discharge

1. Charging current:Do not surpass the largest charging current that specification stipulated.

2 .Charging voltage:Do not surpass the highest limited voltage that specification stipulated.

3 .Charging temperature:within temperature scope that specification stipulated.

4. Charge with constant current, then with the constant voltage, no reverse charge, which is dangerous

5. Special note: Short time doesn't affect the use of the battery overcharge too, but for a long period of time over discharge or over charge can affect the function of the battery failure, or the battery can't use permanent, appear serious safety hazards, need long time floating please use the recommended floating model specification. Battery when not in use for a long time, because of its own self-discharge characteristics can also cause discharge, to prevent the occurrence of a discharge, battery should maintain a certain capacity, maintain the voltage at 50% state of SOC.

10. Other Chemical Reaction

Because batteries utilize a chemical reaction, battery performance will deteriorate over time even if stored for a long period of time without being used. In addition, if the various usage conditions such as charge, discharge, ambient temperature, etc. are not maintained within the specified ranges, the life expectancy of the battery may be shortened or the device in which the battery is used may be damaged by electrolyte leakage. If the discharge time is much shorter than the normal after full charged, even battery is charged correctly, and this may indicate it is time to change the battery.


Contact Details
Shenzhen Topband Battery Co., Ltd

Contact Person: Jerry Yang

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