波多黎各采购需求：逆变器电池、太阳能电池、UPS电源、深循环电池、电池组、发电机电池

I am looking to source LiFePO4 batteries with a capacity of 400AH, ideally around 20kWh. It's crucial that these batteries offer high efficiency and durability for various applications. Please provide detailed specifications, including cycle life, discharge rates, and any certifications the batteries may have. Additionally, I would appreciate information on pricing, minimum order quantities, and lead times for delivery. If there are options for bulk purchases or customization, please include that as well. Looking forward to your prompt response so we can move forward quickly!