博茨瓦纳采购需求：一体式太阳能路灯

I am looking for high-quality outdoor street solar lights with a power output of 150W. It's essential that these lights are durable and can withstand various weather conditions, providing reliable illumination for public spaces. I would appreciate it if you could provide details regarding the following: the materials used, battery capacity, and the estimated lifespan of these solar lights. Additionally, please share information about the available designs, installation requirements, and any certifications they hold. Pricing details and bulk order discounts would also be useful. I'm particularly interested in understanding the performance metrics in terms of brightness and energy efficiency. Looking forward to your prompt response with the relevant information as I am eager to explore potential orders.