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12V20Ah LiFePO4 Battery

12V20Ah LiFePO4 Battery

12V20Ah LiFePO4 Battery The product test data curve Application field Lighting system Home application SLA Battery Replacement Light Electric Vehicle Electric toys Others The ternary material has advantages in battery specific energy, specific power, large rate charging, low temperature...
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12V20Ah LiFePO4 Battery
 

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MAIN KIT INCLUDES                                                              

1 x 12V20Ah LiFePO4 Battery Module;
1 x 4S-25A PCM
1 x Black Plastic Case
2 x M5 Terminals

PRODUCT SPECIFICATION                                                

Normal Voltage

12.8V

Normal Capacity

20Ah

Battery Energy

256Wh

Inner Resistance

< 80mΩ

Battery Cycle Life

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

Cell Configuration

LiFePO4 18650 3.2V 1500mAh-4S13P

Reference Battery Size

(181±1)*(76±1)*(166±1) mm

Reference Battery Weight

2.9±0.1 kg

Battery Encapsulation

Plastic Case

Charge Voltage

14.4V

Charge Mode

CC/CV

Normal Charge Current

5A

Normal Discharge Current

10A

Max. Continuous Output Current

20A

Max. Continuous Output Power

256W

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


The product test data curve

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Application field

  • Lighting system

  • Home application

  • SLA Battery Replacement

  • Light Electric Vehicle

  • Electric toys

  • Others


The ternary material has advantages in battery specific energy, specific power, large rate charging, low temperature performance, etc. The cycle performance is that the lithium iron phosphate material has obvious advantages, and the lithium iron phosphate battery is superior to the ternary material in safety. When selecting the battery, it can be selected according to different purposes. For example, the bus has a large space, and the battery has relatively low specific energy and specific power. The lithium iron phosphate battery can be selected to have good cycle performance, and the space of the car is limited. If the dosage is small, it is more suitable to use a high specific energy and a high specific power ternary material battery.
 

The advantages and disadvantages of lithium iron phosphate battery and ternary lithium battery are analyzed in terms of safety, energy density, monomer nominal voltage, service life, application cost, and low temperature attenuation capability.
 Safety: ternary lithium battery: If the ternary lithium battery is internally short-circuited or the positive electrode material is in contact with water, there will be an open flame. Therefore, the general ternary lithium battery will have a layer of steel shell protection. Tesla gave the battery pack a full range of protection, but in extreme crashes, there are still fire hazards. Lithium iron phosphate battery: Lithium iron phosphate battery should be stable. The battery board will not explode even if it is puncture or short circuit. It will not catch fire when it is heated at 350 °C (the ternary lithium battery will not be fired at 180-250 °C) Living). Therefore, in terms of safety performance, lithium iron phosphate battery is slightly better.
 

Energy density: ternary lithium battery: The ternary lithium battery has high energy density and higher voltage, so the battery pack with the same weight has a larger capacity, the car runs farther and the speed can be faster. Service life: ternary lithium battery: The theoretical life of ternary lithium battery is 2000 charge and discharge cycles, but in actual use, when 900 charge and discharge cycles are performed, the battery capacity is basically attenuated to 55%. However, if the battery is charged and discharged every time it is controlled to operate in a cycle of 0%-50% or 25%-75%, even after 3,000 charge and discharge cycles, the battery capacity can still be maintained at around 70%, but this requires Very good battery management system. Lithium iron phosphate battery: Lithium iron phosphate battery will be attenuated to 80% even after 3,000 times of 0-100% charge and discharge, so the battery management system of lithium iron phosphate battery is not so complicated, which further reduces The vehicle development costs.
 

Application cost: Our country has abundant reserves of lithium ore and iron oxide phosphate, and has advantages in manufacturing lithium iron phosphate batteries. However, in China, there is a lack of cobalt ore, and it is somewhat difficult to manufacture a ternary lithium battery that must use cobalt. Therefore, it is very realistic for many car companies in China (including battery companies) to develop lithium iron phosphate batteries. Therefore, electric vehicles that use ternary lithium batteries are currently available on the market. The power batteries are basically foreign brands (Japan Matsushita, Korea SK, etc.), and the price is also higher than that of models using lithium iron phosphate batteries (same level).
Low-temperature attenuation capability: The discharge performance of a ternary lithium battery at low temperatures is better than that of a lithium iron phosphate battery.

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