巴基斯坦采购需求：10千瓦风力发电机、220伏风力发电机、240伏风力发电机、20千瓦风力发电机、5千瓦风力发电机、自由能源发电机、家用风力发电机

I'm interested in getting more details about your 5kW wind turbine system, particularly regarding the battery backup feature. Could you provide specifics on the turbine's efficiency, expected lifespan, and any certifications it holds? I'd also like to know about the battery specifications, including its capacity, type, and how it integrates with the turbine. Additionally, please share your pricing structure, including bulk order discounts and warranty options. It would also be helpful to have information on installation requirements and maintenance services offered. Looking forward to your insights to help us make an informed decision.