Power battery: it is specially used to power electric vehicles, electric bicycles, electric tools and other mobile devices.
2.Charge and discharge characteristics
Energy storage battery: usually has a low charge and discharge rate, the charge and discharge speed is relatively low, more attention to long cycle life and energy storage efficiency.
Power battery: need to support a high rate of charge and discharge, to meet the vehicle acceleration, climbing and other high power output requirements.
3.Energy density and power density
Energy storage battery: usually do not need to frequent charge and discharge operation, so they require the battery energy density and power density is relatively low, pay more attention to power density and cost, they usually use more stable electrochemical materials and more loose battery structure, this structure can store more electricity, and in the long run in the process of stable performance.
Power battery: High energy density and high power output need to be considered to meet the range and acceleration performance requirements of electric vehicles, usually using more active electrochemical materials and compact battery structure, this design can provide a large amount of electricity in a short period of time, and achieve rapid charge and discharge.
4.Cycle life
Energy storage battery: generally requires a long cycle life, usually thousands of times or even tens of thousands of times.
Power battery: the cycle life is relatively short, generally in hundreds to thousands of times.
5.Cost
Energy storage batteries: Due to the differences in application scenarios and performance requirements, energy storage batteries usually pay more attention to cost control to achieve the economy of large-scale energy storage systems.
Power battery: on the premise of ensuring the performance, it is also constantly reducing the cost, but the cost is relatively high.
6.Material selection
Energy storage battery: more attention to long cycle life and cost effectiveness, so cathode materials may choose lithium iron phosphate, lithium manganese oxide, etc., cathode materials may use lithium titanate, etc. In terms of electrolyte, energy storage batteries have relatively low requirements for ionic conductivity, but they have high requirements on stability and cost.
Power battery: need to have high energy density and good multiplier performance, so usually choose cathode materials with higher specific capacity, such as high nickel ternary materials, lithium iron phosphate, etc., cathode materials generally choose graphite, etc. In addition, power batteries also have high requirements on the ionic conductivity and stability of electrolytes. 
In short, there are obvious differences in design, material selection, manufacturing process and other aspects due to different application scenarios and performance requirements. As technology continues to advance, these differences may narrow, and more new battery technologies and applications scenarios will emerge.
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