Being supported by an advanced and professional IT team, we could offer technical support on pre-sales & after-sales service for Bms Li Ion 3s, Bms 10s 20a, 10s Smart Bms, Bms In Battery Pack,Bms 3s 20a 12.6 V. Welcome to contact us if you are interested in our product, we will give you a surprice for Qulity and Price. The product will supply to all over the world, such as Europe, America, Australia,Hyderabad, USA,Poland, Estonia.Our company regards "reasonable prices, high quality,efficient production time and good after-sales service" as our tenet. We hope to cooperate with more customers for mutual development and benefits in future. Welcome to contact us.