We are dedicated to bring the best quality products at lowest prices. Since 1998, we have been working to design, specify, and build high quality battery packs. Our factory is reputable, passed stringent quality assurance procedures to achieve international standards such as CE, UL Listed, ISO9001/9002 certification, and cover a full range of batteries for portable devices. All batteries are manufactured with the highest quality cells and meet or exceed the original manufacturer's specifications, they must pass stringent quality control tests that ensure they work with your devices. That's why we guarantee our batteries for 1 year warranty.