Battery pack
Its function is to store the energy emitted by the solar cell array when it is illuminated and to supply power to the load at any time. The basic requirements for solar cell power generation for the battery pack used are: a. low self-discharge rate; b. long service life; c. strong deep discharge capability; d. high charging efficiency; e. less maintenance or maintenance-free; Wide range; g. low price.
Charge and discharge controller
It is a device that can automatically prevent overcharging and overdischarging of the battery. Since the number of cycles of charging and discharging of the battery and the depth of discharge are important factors determining the service life of the battery, it is indispensable to control the charge and discharge controller of the battery pack for overcharging or overdischarging.
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