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About lithium battery power tool main points are as follows?

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About lithium battery power tool main points are as follows?

Release date:2017-12-29 Author: Click:

The main functions of lithium battery power tools are as follows:

(1) Storage of electrical energy

In most off-grid photovoltaic systems, the voltage and current generated by the array arrangement of photovoltaic cells (solar panels) cannot be exactly the same as the load (electrical appliances). Especially when the natural conditions change, the cloudy, rainy, and evening light intensity changes, and the photovoltaic cell cannot provide full-loaded energy, resulting in difficulty in normal use of electrical appliances (loads). With storage batteries for energy storage, and the ability to regulate their energy metabolism, photovoltaic systems with energy storage devices, can satisfactorily and smoothly provide electrical appliances with the required power. Therefore, it is necessary to use a battery to store energy in the photovoltaic system.


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(2) Regulating voltage (stationary voltage)

Since the operating characteristics of the solar cell are affected by changes in the solar radiation (irradiation) intensity, temperature, etc., it is often difficult for the solar cell module to operate under optimal working conditions if the solar cell module is directly connected to the load, and the system efficiency is low. However, when the battery is used as a storage battery, it will have a "clamping" effect on the operating voltage of the solar battery, and it will be converted into a solar battery to charge the energy storage battery. The storage battery will supply power to the load smoothly (especially voltage). Make sure the system is operating in the best working condition.


(3) Provides instantaneous high current discharge

The use of solar photovoltaic systems is expanding, especially off-grid solar photovoltaic systems, which when used in tens of thousands of households will be used as a starting point for household appliances such as refrigerators (compressors), electric vehicles and electric motors, because of the need for the start-up of such electromechanical devices. For large currents, the starting current is often 5 to 10 times the rated operating current. In photovoltaic systems, solar cell components are affected by the maximum short-circuit current and the light intensity is limited. Photovoltaic cell arrays are difficult to meet the requirements of starting current. If a battery is used, large currents can be instantaneously supplied to start the load.

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