The energy storage device of the power generation system of the solar lights manufacturer is mainly a battery. The voltage varies with the power generation and load consumption of the array. Its capacity is far greater than the amount of electricity required by the load. The energy provided by the battery is also affected by the ambient temperature. In order to match the solar cell, the working life of the cell needs to be very long, and its maintenance must be simple.

At present, lead-acid batteries are mainly used in our country. Due to its inherent "maintenance-free" characteristics and low environmental pollution, it is suitable for solar power generation systems with reliable performance, especially unattended workstations.

Ordinary lead-acid batteries, due to frequent maintenance and high environmental pollution, are mainly suitable for occasions with large maintenance capacity or low grade, and solar lights manufacturers may use less. Although alkaline nickel-cadmium batteries have good low-temperature performance, overcharge performance and over discharge performance, they are expensive and only suitable for special occasions.

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