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Low Temperature Lithium Titanate Battery 7.2V 30AH

Low Temperature Lithium Titanate Battery 7.2V 30AH

Custom low temperature lithium titanate battery 7.2V 30Ah 1. Product Overview This type -40 °C low-temperature lithium titanate battery, the core components of leading lithium-ion batteries, built-in multi-power protection solutions, the use of safe and reliable lithium packaging technology, in......
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 Custom low temperature  lithium titanate battery 7.2V 30Ah

1. Product Overview

This type -40 °C low-temperature lithium titanate battery, the core components of leading lithium-ion batteries, built-in multi-power protection solutions, the use of safe and reliable lithium packaging technology, in line with GJB4477-2002 standards.

 

2. The main technical indicators

2.1 Combination method: 3S1P (wide temperature lithium titanate battery)

2.2 Nominal voltage: 7.2V

2.3 rated capacity: 30Ah

2.4 Charge Limit Voltage: 8.4V

2.5 Discharge cut-off voltage: 4.8V

2.6 maximum charging current: 0.5C

2.7 Maximum Discharge Current: 2C

2.8 Temperature Range:

2.8.1 Charging temperature: 10°C~+45°C

2.8.2 Discharge temperature: -30°C~+60°C

2.8.3 Storage temperature: -20°C to +35°C (≤1 year)

2.9 cycle life: ≥ 10000 times

  


3. Product performance

3.1 The battery pack has good low temperature performance, product safety and reliability, and good stability;

3.2 The battery pack has waterproof, dustproof, anti-drop, anti-corrosion, radiation protection, anti-electromagnetic interference;

3.3 The battery pack has multiple protection functions such as over-charge protection, over-discharge protection, over-temperature protection, over-current protection, and short-circuit protection. The built-in BMS system can be built according to the customer's needs.

3.4 The battery pack has a small size, light weight, small self-discharge, long cycle life, high conversion efficiency, deep charge and discharge, long-term use and easy to carry.

 

4. Application area

Can be widely used in aerospace, radio communications, unmanned aerial vehicles, soldier carrying, armored vehicles, reinforced notebooks, radar front, airborne carrier, military weapons, and other military equipment.

 

Battery pack structure:
1 )Battery modules
2) Protective board
The protection board, provides protection against overcharge, and short circuit, through monitoring single string of cells. Also it enables every battery pack to obtain independent balancing function. 
3)Charge/ discharge standards
Constant charge current: 0.2 C5A -1 C3A is the best. cell max voltage﹤3.9V.
Constant discharge current: cell min voltage> 2.0v
Rapid charge capability: Max. charge current1C5A;temperature increase falls within 15°C is normal while over 15°C will affect the service life of cell.

 

Storage and Transportation:
1.Based on the character of cell, proper environment for transportation of LiFePO4 battery pack need to be created to protect the battery.
2.During transportation,50% SOC must be kept to ensure that short circuit, appearance of liquid in the battery or immersion of battery in liquid never occur.
3.Battery should be kept at -20℃~45℃ in warehouse where it's dry, clean and well-ventilated.
4.During loading of battery, attention must be paid against dropping, turning over and serious stacking.

 

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Cycle life at 100% depth of Discharge


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Figure 2. Full battery ZCV curve and total impedance during discharge - residual charge curve:

a. 0.2C ZCV curves for L1 system and L2 system at 25 ̊C;

b. 0.2C ZCV curve of L1 system and L2 system at -40 ̊C;

c. The impedance of 0.2% discharge of L1 system and L2 system at 25 ̊C changes with the residual charge state;

d. The impedance of 0.2% discharge of L1 system and L2 system at -40 ̊C with the curve of residual charge state;

 

 


♣ Wide Range Temperature Adaptability

♣ Long Life Cycles - 1C more than 10000 times

♣ High Power Output 

♣ Environment Friendly 

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