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What is the Difference Between Power Lithium Battery and Energy Storage Lithium Battery?

Sep 01 , 2022

1. The capacity of lithium battery for solar and power lithium battery is different


In the case of new batteries, use a discharger to test the battery capacity. Generally, the capacity of power lithium batteries is about 1000mAh-1500mAh; the capacity of solar lithium batteries is above 2000mAh, and some can reach 3400mAh.


2. The application industry of lithium battery for solar and power lithium battery is different


Power lithium batteries are used in batteries for electric vehicles, electric bicycles, electric motorcycles, electric equipment and tool drive power sources; they are used in power transmission and substations to provide closing current for power units;


Solar lithium batteries are mainly used in energy storage power stations such as water power, thermal power, wind power and solar power stations, peak regulation and frequency regulation power auxiliary services, digital products, power products, medical and security, and UPS power supplies.


3. The BMS position of lithium battery for solar and power lithium battery management system is different


In the energy storage system, the energy storage lithium battery only interacts with the energy storage converter at high voltage, and the converter takes power from the AC grid to charge the battery pack; or the battery pack supplies power to the converter, and the solar lithium battery can It is converted into AC by the converter and sent to the AC grid.


The BMS of an electric vehicle has an energy exchange relationship with the motor and the charger at high voltage; in terms of communication, there is information interaction with the charger during the charging process, and detailed information interaction with the vehicle controller in the entire application process. .


4. The types of cells used in solar batteries lithium and power lithium batteries are different


For the sake of economical consideration, lithium iron phosphate batteries are often used in energy storage lithium battery energy storage power stations, and lithium iron phosphate batteries are often used in the selection of lithium battery packs. The battery type is lithium iron phosphate battery and ternary lithium battery.


5. The performance and design of solar batteries lithium and power lithium batteries are different


Power lithium batteries focus more on charging and discharging power, requiring fast charging rate, high output power, and vibration resistance, especially emphasizing high energy density to achieve long-lasting battery life, as well as lightweight requirements in terms of weight and volume;


The preparation of energy storage lithium batteries emphasizes battery capacity, especially requires operation stability and service life. Solar lithium batteries should consider the consistency of battery modules. In terms of battery materials, attention should be paid to expansion rate and energy density, and electrode material performance uniformity. Pursue the long life and low cost of the overall energy storage device.


Shenzhen Ace Battery Co., Ltd. focuses on the R&D, production and sales of lithium-ion and lithium iron phosphate battery packs. Welcome customers from all over the world to consult.