巴基斯坦采购需求：控制器逆变器、发电机、水平风力涡轮机、太阳能电池板、垂直风力涡轮机、风力涡轮机玩具

I'm looking for a comprehensive solution for a wind turbine generator with a capacity of 15kV that operates off-grid. The system should include a reliable battery backup to ensure continuous power supply, especially during low wind conditions or at night. Please provide detailed specifications, including the types of batteries you recommend, their capacities, and any additional inverter or controller requirements. Additionally, I'd appreciate insights on the installation process and any maintenance guidelines that come with the generator. It'd be helpful to know the expected lifespan of the components and whether you offer any warranties for the system. If you have any certifications or performance data to share, that would also be beneficial in making a decision. Looking forward to your detailed response!