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12V7.5Ah LiFePO4 Battery

12V7.5Ah LiFePO4 Battery Product test data curve Lithium battery history Early lithium battery Lithium-ion batteries (Li-ion Batteries) are the development of lithium batteries. So before introducing Li-ion, introduce the lithium battery. For example, the button battery used in the previous...
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12V7.5Ah LiFePO4 Battery
 
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MAIN KIT INCLUDES                                                              

1 x 12V7.5Ah LiFePO4 Battery Module;
1 x 4S-10A PCM
1 x Black Plastic Case
2 x T1 Terminals

PRODUCT SPECIFICATION                                                

Normal Voltage

12.8V

Normal Capacity

7.5Ah

Battery Energy

96Wh

Inner Resistance

< 90mΩ

Battery Cycle Life

2000 Times @100%DOD
6000 Times @80%DOD

Cell Configuration

LiFePO4 18650 3.2V 1500mAh-4S5P

Reference Battery Size

(151±1)*(65±1)*(95±1) mm

Reference Battery Weight

1.1±0.1 kg

Battery Encapsulation

Plastic Case

Charge Voltage

14.4V

Charge Mode

CC/CV

Normal Charge Current

3A

Normal Discharge Current

5A

Max. Continuous Output Current

8A

Max. Continuous Output Power

102W

Passive Protection Function

Over charge protection; Over discharge protection; Over
current protection, etc

Operation Temperature Range

Charge:       0’C---45’C
Discharge :   -20’C---60’C

Battery Storage Temperature

-20’C---25’C

Individual Cell Approval

CE / RoHS / UN38.3 / UL 1642 / IEC 62133 / CB / KC / BIS


Product test data curve

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Lithium battery history
Early lithium battery
Lithium-ion batteries (Li-ion Batteries) are the development of lithium batteries. So before introducing Li-ion, introduce the lithium battery. For example, the button battery used in the previous camera was a lithium battery. The positive electrode material of the lithium battery is manganese dioxide or thionyl chloride, and the negative electrode is lithium. After the battery is assembled, the battery has voltage and does not need to be charged. This battery can also be charged, but the cycle performance is not good. During the charge and discharge cycle, lithium dendrites are easily formed, causing internal short circuit of the battery, so this is generally the case. The battery is forbidden to charge. 


Carbon material lithium battery
Later, Sony Corporation of Japan invented a lithium battery with a carbon material as a negative electrode and a lithium-containing compound as a positive electrode. In the process of charge and discharge, no metal lithium exists, only lithium ions, which is a lithium ion battery. When the battery is charged, lithium ions are generated on the positive electrode of the battery, and the generated lithium ions move to the negative electrode through the electrolyte. The carbon as the negative electrode has a layered structure, and it has many micropores. The lithium ions reaching the negative electrode are embedded in the micropores of the carbon layer, and the more lithium ions are embedded, the higher the charging capacity. Similarly, when the battery is discharged (ie, the process we use the battery), the lithium ions embedded in the carbon layer of the negative electrode come out and move back to the positive electrode. The more lithium ions return to the positive electrode, the higher the discharge capacity.
 

Rocking chair battery
The so-called battery capacity refers to the discharge capacity. During the charge and discharge process of Li-ion, lithium ions are in a state of motion from positive electrode to negative electrode to positive electrode. The Li-ion Batteries are like a rocking chair. The ends of the rocking chair are the two poles of the battery, and the lithium ion runs back and forth like a sportsman in the rocking chair. So Li-ion Batteries is also called a rocking chair battery.

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