中国香港采购需求：中央电池系统

I'm looking for a 20KVA EPS unit for our upcoming projects. Could you provide detailed specifications including efficiency ratings, dimensions, and any certifications? Additionally, I'd like to know about the available options for customization and lead time for delivery. Also, please share your pricing structure and any bulk order discounts you might offer. It would be helpful to receive information on warranty terms and after-sales support as well. Looking forward to your prompt response so we can move forward quickly!