美国采购需求：3FM5电池，6V5Ah电池，20Hr电池，6V充电电池，密封铅酸电池，免维护电池

I am looking for a rechargeable lead-acid battery that fits a specific specification. The key features include a capacity of 6V5Ah with a 20-hour discharge rate, designed for valve regulation. This battery will be used in applications related to marine products, specifically for a prestigious yacht brand. Could you provide detailed information on pricing, availability, and lead times for this product? Additionally, any relevant datasheets or certifications would be appreciated to ensure it meets our quality standards. Thank you!