The capacity of lithium batteries for solar street lights is generally measured in ampere hours (Ah), and the capacity of lithium batteries for solar street lights of different models and specifications also varies. Generally speaking, the capacity of lithium batteries of solar street lights is between 10 Ah and 100 Ah.
The capacity of the lithium battery of solar street lights determines the amount of energy it stores and also directly affects the usage time and brightness of solar street lights. Smaller capacity solar street light lithium batteries are suitable for use in places with short lighting duration and low light requirements, such as communities, parks, etc. ; while larger capacity solar street light lithium batteries are suitable for use with longer lighting duration and higher brightness requirementss high. High places, such as roads, squares, etc.
The price of lithium batteries for solar street lights will also increase as capacity increases. Generally speaking, the price of smaller capacity solar street light lithium batteries is relatively low, while the price of larger capacity solar street light lithium batteries is relatively high. In addition, the brand, quality, performance and other factors of solar street light lithium batteries will also impact the price.
Generally, the capacity and price of lithium batteries for solar street lights are determined based on actual demand and budget. When selecting lithium batteries for solar street lights, you should select the appropriate model and specifications of lithium batteries for solar street lights according to specific usage scenarios and requirements.ques, taking into account factors such as capacity and price.
The size of lithium battery equipped with 20W solar street lights should be determined according to actual needs and design requirements. Generally speaking, the lithium battery capacity of solar street lights should be able to meet the needs of night lighting, taking into account the efficiency of solar charging and the stability of energy storage.
First of all, it is necessary to determine the operating time and brightness requirements of solar street lights. Generally speaking, the working time of solar street lights is 10-12 hours, and the required brightness is 2000-3000 lumens. Based on a power of 20 W, the energy consumed per hour can be calculated as 20 watts. Therefore, the total energy consumption of solar street lights is 200 to 240 watt hours.
Second, the effefficiency of solar charging and stability of energy storage must be taken into account. The efficiency of solar charging is affected by the intensity of solar lighting and weather conditions, therefore certain load losses must be taken into account during the design. At the same time, in order to ensure the stability of night lighting, a certain margin of energy storage should be considered in the design.
Based on the above considerations, generally speaking, the lithium battery capacity of 20W solar street lights should be around 40-60 watt hours. This can guarantee nighttime lighting needs and take into account solar charging efficiency and energy storage stability.
Of course, the specific capacity of the lithium battery should be adjusted according to the actual situation. For example, if the solar charging efficiency is high, the capacityity of the lithium battery can be reduced appropriately; If the demand for night lighting is high, the capacity of the lithium battery can be increased appropriately. At the same time, factors such as design cost and reliability of solar street lights should also be considered.
In short, the lithium battery capacity of 20W solar street lights should be determined according to actual needs and design requirements, and generally should be about 40-60 watt hours.