The choice between a solar street light system operating at 3.2V or 12.8V depends on several factors, including the specific requirements of your project and the components used in the system. Here’s a comparison to help you make an informed decision:
Voltage Compatibility: Determine the voltage requirements of the components in your solar street light system, including the LED lights, batteries, charge controllers, and other electronic components. Ensure that all components are compatible with the chosen voltage (3.2V or 12.8V) to avoid compatibility issues and maximize system efficiency.
Battery Configuration: The voltage of the battery bank in a solar street light system depends on the configuration of the batteries. A 3.2V system typically uses lithium iron phosphate (LiFePO4) batteries, which have a nominal voltage of 3.2V per cell. These batteries are commonly used in smaller solar street light systems. On the other hand, a 12.8V system may use a series connection of multiple LiFePO4 cells to achieve the desired voltage. The choice depends on the energy storage capacity required and the specific design considerations of the system.
System Efficiency: Higher voltage systems (such as 12.8V) may offer advantages in terms of system efficiency, as they require lower current levels for the same power output compared to lower voltage systems. This can result in reduced power losses and improved overall performance, especially in larger solar street light installations.
Cost Considerations: The cost of components, including batteries, charge controllers, and wiring, may vary depending on the voltage of the system. Evaluate the cost-effectiveness of each option based on your budget constraints and project requirements.
Installation and Maintenance: Consider the ease of installation and maintenance for the chosen voltage system. Higher voltage systems may require heavier gauge wiring and additional safety precautions due to higher currents, while lower voltage systems may offer simpler installation and maintenance requirements..
3.2v solar light
12.8V Solar street light
