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What factors should be considered when selecting energy storage equipment?

Precautions for energy storage | Operating time/capacity requirements | Self discharge rate. discharge current | Charging efficiency/minimum charging acceptance |cycle life | Size Profiles

● matters needing attention

In many products, the system load requirements will exceed the power generation Especially in wireless communication products that send and receive data at peak current. So most applications need energy storage medium to store the collected energy and act as energy buffer to provide the required system load.

Among the factors, there are many measurements, and the most appropriate technology must be adopted according to the application of the product. The factors considered are as follows;

● Operating time/capacity requirements

The operation of the product determines the capacity requirements. High energy density or large profile batteries will result in higher capacity and long operation. There is a trade-off between energy and charging capacity. Compared with small capacity, large capacity will be more difficult to charge, especially for indoor applications where the charging current is within the micro ampere range.

● Self discharge rate

The self discharge rate is more important than products with larger capacity and long operation time or products that may be stored for a long time without light.

● discharge current

The type of discharge current and discharge capacity affect the selection of storage.

● Charging efficiency/minimum charging acceptance

The efficiency of charging is the energy efficiency generated by the storage of batteries or supercapacitors. The chemical composition, battery capacity and available charging current of the battery will affect the minimum charging/charging efficiency of the storage medium.

● Cycle life

The cycle life of storage medium will affect the selection decision based on product application.

● Size Profiles

The shape and size of products in portable indoor will affect the type of storage.

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