1)Intelligent BMS: Auto Repair, can be customized according to customer demands. 2)Conformal Coating Available 3)10 Years Warranty. Lifetime technical support. 4)Maintenance is free. The user may maintain or repair himself under our guidance. 5)All battery cells come from famous brand top 5, quality and safety are first priorities. 6)BYD vehicle-grade BMS technology iteration used in the field of energy storage 7)20 technological processes have strict inspection records, and quality information can be traced.