We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for R20 D Zinc Carbon Battery, Lr1154 Lr44 303 357, Flat Li-Ion Battery, 100w Li Ion Battery,Ni-Mh Battery. Your inquiry will be highly welcomed and a win-win prosperous development are what we are expecting. The product will supply to all over the world, such as Europe, America, Australia,Nigeria, Puerto Rico,Guyana, Indonesia.We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.