印度采购需求：安装太阳能、太阳能发电机、太阳能发电机、安装光伏板、光伏板安装、太阳能模块安装

I am looking to purchase a quantity of 50kW units, and I would appreciate it if you could provide me with detailed specifications for this product. Please include information on performance metrics, efficiency ratings, and any relevant features that would help in assessing its suitability for my needs. Additionally, I would like to know your pricing structure, including any bulk discounts or shipping costs. If there are different variants or optional accessories available for the 50kW units, please include those as well. Looking forward to your prompt response with the requested details!