In today's world, batteries can be found at very low prices, but there's a catch. These batteries, made in China, are generally of questionable construction and low quality. The most common problem is that these batteries leak acid into watch movements. And therein lies the success of our business. When customers try our battery replacement service for the first time, they become lifelong customers when they see how long our batteries last in their watches. We see hundreds of cases of battery acid damage every year. We repair these acid-damaged watches, and we can tell you without a doubt that it's a real problem. This is especially true given the widespread availability of Chinese batteries.