The key to our success is "Good Product or service High quality, Reasonable Rate and Efficient Service" for Bms 10s 30a, 4s Bms 30a, 13s Bms Wiring, Active Battery Management System,4s 30a 14.8 V Bms. We welcome buyers all around the word to call us for long term company associations. Our items are the most effective. Once Selected, Ideal Forever! The product will supply to all over the world, such as Europe, America, Australia,Guinea, Mozambique,Yemen, Venezuela.Furthermore, all of our products are manufactured with advanced equipment and strict QC procedures in order to ensure high quality. If you are interested in any of our products, please don't hesitate to contact us. We will do our best to meet your needs.