俄罗斯采购需求：电池管理系统，BMS电池，BMS模块，锂BMS，BMS锂电池，适用于Lifepo4的BMS

I'm looking for a smart battery management system that supports lithium iron phosphate technology, specifically for a 4-cell series configuration with a nominal voltage around 12V and capable of handling a continuous current of 250A. Could you please provide detailed specifications, including features, dimensions, and certifications? Additionally, I'd appreciate information on lead times, pricing, and any available bulk order discounts. Looking forward to your prompt response!