Lanzhou center has Casio battery replacement?
Casio is able to replace the battery, in the warranty period of the watch can be free to change the battery, if there is no local Casio counter, you can also go to find a professional watch repair stores, try to choose a better reputation repair stores, so that the replacement of the battery will be guaranteed, or else, poor-quality batteries, it will reduce the life of the watch, and, the different models of the watch to correspond to the different batteries, so, or Try to find a professional understanding to change than convenient