The key to our success is "Good Product Quality, Reasonable Value and Efficient Service" for 3s Bms 12v, Bms 5s 100a 21v, 14s 52v Bms, Need Of Battery Management System,Bms 13s 20a. Welcome any of your inquiries and concerns for our products, we look forward to establishing a long-term business relationship with you in the near future. contact us today. The product will supply to all over the world, such as Europe, America, Australia,Israel, Slovenia,Chile, Kuala Lumpur.Since its foundation , the company keeps living up to the belief of "honest selling , best quality , people-orientation and benefits to customers. " We're doing everything to supply our customers with best services and best solutions . We promise that we are going to be responsible all the way to the end once our services begin.