continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for 1800mah battery, 3.85v Lithium Polymer Lipo Battery, 24v 80ah Lifepo4 Battery Pack, 48v Lithium Iron Phosphate Battery,Lifepo4 48v 100ah Battery. Our team members are aim to provides products with high performance cost ratio to our customers, and the goal for all of us is to satisfy our consumers from all over the world. The product will supply to all over the world, such as Europe, America, Australia,Indonesia, Ukraine,Mauritania, New Orleans.We sincerely hope to cooperate with customers all over the world, if you would like to have more information, please kindly contact us, we are looking forward to building up a great business relationship with you.